Toolkit/Adeno-associated virus

Adeno-associated virus

Delivery Strategy·Research·Since 2017

Also known as: AAV, AAV vector, AAV vectors, adeno-associated vectors, adeno-associated viral vectors, adeno-associated virus, adeno-associated virus (AAV), adeno-associated viruses, adeno-associated virus vectors, herpes simplex virus, lentivirus, recombinant AAVs, viral vectors

Taxonomy: Mechanism Branch / Architecture. Workflows sit above the mechanism and technique branches rather than replacing them.

Summary

Adeno-associated virus (AAV) is a viral delivery harness used to package and express CRISPR genome-editing components in vivo. In the cited literature, AAV supports single-vector delivery when smaller Cas9 orthologues and their chimeric guide RNAs fit within AAV packaging constraints, enabling robust in vivo genome editing.

Usefulness & Problems

Why this is useful

AAV is useful as an in vivo delivery platform for CRISPR systems because it can carry genome-editing cargo into animal tissues and support transgene expression. The cited review states that combining small Cas9 orthologues with tissue-specific minimal promoters, AAV serotypes, and different administration routes has advanced efficient and precise in vivo genome editing.

Problem solved

AAV helps solve the delivery problem for in vivo CRISPR editing, particularly the challenge of fitting both a Cas9 nuclease and guide RNA expression cassette into a single vector. The cited literature specifically identifies smaller Cas9 orthologues as enabling single-AAV packaging of Cas9 and chimeric guide RNA.

Problem links

Inability to Program Complex Organisms and Developmental Pathways

Gap mapView gap

AAV is an actionable in vivo delivery harness for genetic payloads, which is a practical bottleneck when trying to program cells within complex organisms. The summary specifically supports delivery of compact genome-editing systems in vivo.

Most of the Human Brain Remains Inaccessible

Gap mapView gap

Several gap capabilities involve genetically encoded neural reporters or actuators in the brain, and AAV is a directly actionable in vivo delivery platform with explicit CNS and neural circuit targeting hints. It could support first tests of minimally invasive brain interfacing concepts that depend on transgene expression, although it does not itself solve noninvasive sensing or modulation.

combining delivery tropism with expression control

Literature

It enables delivery of transgenes to brain cells and supports genetic access to molecularly defined cell types.

Source:

It enables delivery of transgenes to brain cells and supports genetic access to molecularly defined cell types.

delivering therapeutic genes in preclinical and clinical studies

Literature

It addresses the need to deliver therapeutic genes for neurodegenerative disease interventions.

Source:

It addresses the need to deliver therapeutic genes for neurodegenerative disease interventions.

delivering therapeutic genetic cargo to ocular tissues

Literature

It addresses the need to deliver therapeutic genetic material into ocular tissues using relatively small doses in a confined organ. The review emphasizes its suitability for stable transduction in the eye.

Source:

It addresses the need to deliver therapeutic genetic material into ocular tissues using relatively small doses in a confined organ. The review emphasizes its suitability for stable transduction in the eye.

delivering transgenes to brain cells

Literature

It enables delivery of transgenes to brain cells and supports genetic access to molecularly defined cell types.

Source:

It enables delivery of transgenes to brain cells and supports genetic access to molecularly defined cell types.

enables delivery of gene therapy payloads

Literature

It addresses the need to deliver therapeutic genetic cargo in viral-mediated gene therapy.

Source:

It addresses the need to deliver therapeutic genetic cargo in viral-mediated gene therapy.

enabling in vivo delivery of editing systems

Literature

It provides a delivery route for in vivo gene editing applications.

Source:

It provides a delivery route for in vivo gene editing applications.

enabling small-dose stable transduction in the eye

Literature

It addresses the need to deliver therapeutic genetic material into ocular tissues using relatively small doses in a confined organ. The review emphasizes its suitability for stable transduction in the eye.

Source:

It addresses the need to deliver therapeutic genetic material into ocular tissues using relatively small doses in a confined organ. The review emphasizes its suitability for stable transduction in the eye.

improves flexibility and accuracy of opsin delivery

Literature

AAV-based delivery addresses the need for flexible and accurate opsin delivery to defined target cells.

Source:

AAV-based delivery addresses the need for flexible and accurate opsin delivery to defined target cells.

provides a delivery vehicle for in vivo gene editing applications

Literature

It addresses the need to deliver gene editing systems in vivo.

Source:

It addresses the need to deliver gene editing systems in vivo.

provides a vector platform for CNS gene therapy cargo delivery

Literature

It addresses the need to deliver therapeutic genetic payloads into CNS cells, including dividing and non-dividing cells. The source emphasizes its suitability for CNS gene therapy because of transduction efficiency and tissue specificity.

Source:

It addresses the need to deliver therapeutic genetic payloads into CNS cells, including dividing and non-dividing cells. The source emphasizes its suitability for CNS gene therapy because of transduction efficiency and tissue specificity.

provides a viral delivery platform for RPGR gene therapy

Literature

It enables delivery of the therapeutic RPGR gene in the reviewed treatment approach.

Source:

It enables delivery of the therapeutic RPGR gene in the reviewed treatment approach.

provides a viral delivery vehicle for therapeutic genetic payloads

Literature

It helps solve the delivery problem for getting therapeutic genetic material into target cells.

Source:

It helps solve the delivery problem for getting therapeutic genetic material into target cells.

provides a viral delivery vehicle for therapeutic gene transfer

Literature

It addresses the need to deliver therapeutic genetic material in gene therapy settings.

Source:

It addresses the need to deliver therapeutic genetic material in gene therapy settings.

provides a viral platform for delivering genetic payloads

Literature

It is presented as a vector platform for carrying genetic payloads in gene therapy contexts.

Source:

It is presented as a vector platform for carrying genetic payloads in gene therapy contexts.

Published Workflows

Objective: Synthesize clinical efficacy and safety evidence for AAV-based RPGR gene therapy in RPGR-associated XLRP to guide clinical decisions and future research.

Why it works: The review first identifies controlled clinical trials, then extracts outcomes and bias information, and finally pools dichotomous and continuous endpoints using heterogeneity-aware meta-analytic models.

PRISMA-guided literature searchindependent screeningdata extractionbias assessment with Cochrane toolmeta-analysis with fixed-effects or random-effects models based on heterogeneity

Stages

  1. 1.
    Literature search and study identification(in_silico_filter)

    This stage narrows the evidence base to studies directly relevant to the review question before screening and pooling.

    Selection: Search PubMed, Embase, and other databases through March 2025 for controlled clinical trials evaluating AAV gene therapy for RPGR-related XLRP.

  2. 2.
    Independent screening and data extraction(hit_picking)

    Independent screening and extraction support consistent inclusion decisions and structured outcome capture before bias assessment and meta-analysis.

    Selection: Two reviewers independently screened literature and extracted data.

  3. 3.
    Risk of bias assessment(counter_screen)

    Bias assessment acts as a quality control step before pooled inference.

  4. 4.
    Meta-analysis of efficacy and safety endpoints(confirmatory_validation)

    This stage quantitatively integrates the included evidence to estimate treatment effects on visual outcomes and adverse events.

    Selection: Risk ratios were calculated for dichotomous outcomes and mean difference/standardized mean difference for continuous outcomes, with random/fixed-effects models based on heterogeneity.

Steps

  1. 1.
    Search bibliographic databases for eligible controlled clinical trials

    Identify the candidate evidence base for AAV gene therapy in RPGR-related XLRP.

    A comprehensive search is required before any screening or synthesis can occur.

  2. 2.
    Independently screen studies and extract data

    Select eligible studies and capture the data needed for pooled efficacy and safety analysis.

    Screening and extraction follow the search so that only eligible studies contribute structured data to later appraisal and synthesis.

  3. 3.
    Assess included studies for bias using the Cochrane tool

    Evaluate study quality before quantitative pooling.

    Bias assessment is performed after inclusion and extraction because it depends on the final included study set and informs confidence in pooled results.

  4. 4.
    Pool dichotomous and continuous outcomes with heterogeneity-based model selection

    Generate summary estimates for efficacy and safety outcomes across included studies.

    Quantitative synthesis comes after study identification, extraction, and bias assessment so pooled estimates are based on curated and appraised evidence.

Objective: Achieve genetic access to molecularly defined brain cell types by combining delivery tropism engineering with expression-control engineering.

Why it works: The review abstract explicitly frames AAV design around two engineerable features: capsid for delivery/tropism and cargo for expression control. Combining these axes is presented as enabling highly specific transgene expression in brain cells and circuits.

capsid-mediated tropism controlcargo-mediated transgene expression controlcapsid engineeringcargo engineeringpairing delivery vectors with regulatory elements and payload classes

Stages

  1. 1.
    Capsid engineering for delivery tropism(library_design)

    The abstract identifies capsid as an engineerable feature used to alter where AAV vectors transduce.

    Selection: Enhance cell type or tissue tropism, including central nervous system transduction and retrograde transport.

  2. 2.
    Cargo and regulatory-element design for expression specificity(library_design)

    The abstract states that cargo and regulatory elements control transgene expression and, when paired with engineered AAVs, enable highly specific expression.

    Selection: Control transgene expression using gene regulatory elements and reporter, sensor, or effector cargo.

Taxonomy & Function

Primary hierarchy

Mechanism Branch

Architecture: A delivery strategy grouped with the mechanism branch because it determines how a system is instantiated and deployed in context.

Target processes

editingmanufacturingrecombinationtranslation

Input: Light

Implementation Constraints

cofactor dependency: requires exogenous cofactorencoding mode: externally suppliedimplementation constraint: payload burdenimplementation constraint: spectral hardware requirementoperating role: delivery

Practical implementation in the cited literature involves selecting smaller Cas9 orthologues so that the nuclease and chimeric guide RNA can be packaged into one AAV vector. Additional design variables supported by the source include tissue-specific minimal promoters, AAV serotype selection, and route of administration; no further construct or production details are provided in the supplied evidence.

The evidence here is limited to a review-level description and does not provide quantitative data on packaging limits, editing rates, tissue tropism, or adverse events. The need for smaller Cas9 orthologues and minimal promoters indicates a cargo-size constraint for single-vector AAV delivery.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Observations

successMouseapplication demo

transgene expression

Inferred from claim c1 during normalization. In mice, intraperitoneal AAV injection during the resting phase (ZT6) produced greater transgene expression over several weeks than equivalent injection during the waking phase (ZT18). Derived from claim c1. Quoted text: intraperitoneal doses of AAVs injected during the resting phase (ZT6, 12:00PM) produced greater transgene expression over several weeks than equivalent doses injected during the waking phase (ZT18, 12:00AM).

Source:

timepoint comparison(ZT6 > ZT18)
mixedHuman Clinicaltherapeutic use

Inferred from claim c4 during normalization. AAV-based therapies such as Elevidys for DMD and Zolgensma for SMA demonstrate functional improvements, although immune responses and hepatotoxicity remain concerns. Derived from claim c4. Quoted text: Clinically, AAV-based therapies (e.g., Elevidys® for DMD, Zolgensma® for SMA) demonstrate functional improvements, though immune responses and hepatotoxicity remain concerns.

Source:

Supporting Sources

Ranked Claims

Claim 1assay conditionsupports2026Source 8needs review

The study established imaging conditions optimized for physiological temperature and oxygen because these conditions critically shape NO bioavailability.

We establish imaging conditions optimized for physiological temperature and oxygen, which critically shape NO bioavailability.
Claim 2biological observationsupports2026Source 8needs review

Both endogenous and exogenously applied NO dampen spontaneous Ca2+ spikes in primary hippocampal neurons.

Conversely, both endogenous and exogenously applied NO dampen spontaneous Ca2+ spikes
Claim 3biological observationsupports2026Source 8needs review

Robust Ca2+ elevation induced by high extracellular K+ or glutamate evokes robust NO signals in primary hippocampal neurons.

whereas robust Ca2+ elevation by high extracellular K+ (50 mM) or glutamate (30 μM) evokes robust NO signals
glutamate concentration 30 μMhigh extracellular K+ concentration 50 mM
Claim 4biological observationsupports2026Source 8needs review

Under the optimized conditions, spontaneous Ca2+ spikes and network activity are largely insufficient to elicit detectable NO production in primary hippocampal neurons.

Under these conditions, spontaneous Ca2+ spikes and network activity are largely insufficient to elicit detectable NO production
Claim 5biosafetysupports2026Source 10needs review

MscS showed exceptional genomic compatibility with fewer off-target gene alterations than the MscL variants.

off-target gene alterations for MscL variants 400off-target gene alterations for MscS 9
Claim 6capability summarysupports2026Source 22needs review

Optogenetics enables precise control of neural activity through light-sensitive opsins.

Claim 7comparative performancesupports2026Source 10needs review

MscL-G22N produced weaker ultrasound responses than MscL-G22S despite having a lower mechanical threshold.

Claim 8comparative performancesupports2026Source 10needs review

MscL-G22S showed strong ultrasound sensitivity in rat hippocampus, including amplified evoked potentials and reduced response latency under focused ultrasound.

evoked potential increase at maximum intensity 2.3 fold
Claim 9comparative performancesupports2026Source 8needs review

NO signals evoked by robust Ca2+ elevation surpass responses to exogenous NO donors.

evokes robust NO signals that surpass responses to exogenous NO donors
Claim 10delivery capabilitysupports2026Source 16needs review

Adeno-associated viruses and lentiviruses have shown promise for delivering targeted genetic interventions in epilepsy gene therapy.

viral vectors, such as adeno-associated viruses and lentiviruses, have shown promise in delivering targeted genetic interventions
Claim 11delivery platform usagesupports2026Source 9needs review

The approved viral gene therapy products highlighted in the abstract rely on adeno-associated vectors and lentiviral vectors for delivery.

Claim 12delivery scopesupports2026Source 15needs review

The review discusses AAVs, LNPs, lentivirus, and virus-like particles as emerging delivery vehicles for gene editing therapies targeting lipid metabolism in cardiovascular disease.

Emerging delivery vehicles (AAVs, LNPs, lentivirus, virus-like particles) and their translational implications are discussed.
Claim 13delivery strategy summarysupports2026Source 22needs review

Adeno-associated viruses are presented as a promising clinical delivery approach for opsins to target cells and can improve flexibility and accuracy of opsin delivery when combined with cell-specific promoters and serotype choice.

Claim 14engineering advancesupports2026Source 19needs review

Advances in capsid engineering, tissue-specific promoters, and delivery strategies have enhanced podocyte targeting while minimizing off-target effects.

Claim 15field driversupports2026Source 9needs review

Improvements in viral-mediated gene transfer efficiency and clinical-scale manufacturing have helped propel the clinical adoption of gene therapy products.

Claim 16field statussupports2026Source 9needs review

Nearly 30 new viral gene therapy programs have been approved by the US FDA since the first AAV-based gene therapy approval in 2017.

approved viral gene therapy programs 30 programs
Claim 17limitationsupports2026Source 16needs review

Major challenges for epilepsy gene therapy include safe and efficient gene delivery, maintaining long-term therapeutic effects, and mitigating potential side effects.

However, significant challenges exist, including ensuring safe and efficient gene delivery, maintaining long-term therapeutic effects, and mitigating potential side effects.
Claim 18mechanistic interpretationsupports2026Source 10needs review

The comparison between MscL-G22N and MscL-G22S suggests that ultrasound sensitivity depends on factors beyond nominal mechanical gating threshold.

Claim 19mechanistic interpretationsupports2026Source 8needs review

The findings demonstrate bidirectional functional coupling between Ca2+ and NO signals in primary hippocampal neurons.

Together, these findings demonstrate bidirectional functional coupling between Ca2+ and NO signals in primary hippocampal neurons
Claim 20method summarysupports2026Source 22needs review

Bioluminescent optogenetics combines optogenetic principles with bioluminescent proteins to visualize and manipulate neural activity in real time and can support efficient, less invasive monitoring of neuronal activity.

Claim 21performance limitationsupports2026Source 10needs review

MscS showed diminished ultrasound responses at higher stimulation intensities.

Claim 22preclinical evidencesupports2026Source 19needs review

Preclinical successes including AAV-mediated rescue of NPHS2-associated nephrotic syndrome and complement modulation in IgA nephropathy support the therapeutic potential of gene-based interventions in podocytopathies.

Claim 23safety risksupports2026Source 12needs review

AAV-based RPGR gene therapy significantly increased ocular treatment-emergent adverse event risk in pooled controlled clinical evidence for RPGR-associated XLRP.

P value <0.00001risk ratio for ocular treatment-emergent adverse events 5.52
Claim 24safety risksupports2026Source 7needs review

Increasing clinical experience with in vivo editing using LNP- and AAV-based platforms has revealed safety considerations including vector immunogenicity, systemic inflammation, and organ-specific toxicities.

Claim 25scope expansionsupports2026Source 7needs review

Next-generation editors and targeted delivery systems have expanded the scope of feasible cardiovascular applications, but biological barriers still limit translation to well tolerated durable one-time genomic therapies.

Claim 26targeting summarysupports2026Source 22needs review

Cell-specific promoters are essential for precise and efficient optogenetic stimulation because they restrict opsin expression to selected target cells.

Claim 27technical barriersupports2026Source 7needs review

Emerging editing technologies aim to overcome limited vector cargo capacity, PAM incompatibility, chromatin accessibility, suboptimal editing efficiency, and off-target activity.

Claim 28therapeutic rationalesupports2026Source 19needs review

Gene therapy has emerged as a transformative approach for podocytopathies using AAV vectors, CRISPR-based editing, and RNA modulation to correct pathogenic mutations or restore disrupted pathways.

Claim 29tool introductionsupports2026Source 8needs review

The paper reports a bicistronic dual biosensor that combines jGCaMP8s and O-geNOps and is delivered by AAV to primary hippocampal neurons.

Here we report a bicistronic dual biosensor that combines jGCaMP8s for high-sensitivity Ca2+ imaging with the orange fluorescent NO reporter O-geNOps, delivered by adeno-associated virus (AAV) to primary hippocampal neurons.
Claim 30translational limitationsupports2026Source 19needs review

Immune responses, vector biodistribution, and disease heterogeneity remain challenges for podocytopathy gene therapy.

Claim 31translation constraintsupports2026Source 7needs review

Successful clinical translation of gene and base editing for cardiovascular disease depends on efficient and precise delivery and on mitigating immunogenicity and toxicity from both delivery vectors and gene-editing enzymes.

Claim 32application scopesupports2025Source 26needs review

Gene delivery approaches may advance conventional antibody therapeutics against viral infections and other diseases through local persistence of the proteins.

Claim 33benchmarksupports2025Source 14needs review

Lipid nanoparticle transfection efficiency was significantly higher than lipofectamine in almost all treatments.

Transfection efficiency was significantly higher compared to lipofectamine in almost all treatments.
Claim 34clinical applicationsupports2025Source 28needs review

AAV-based gene therapy has achieved approved clinical use, including Luxturna for a genetic retinal disease.

including the approval of Luxturna for a genetic retinal disease
Claim 35clinical applicationsupports2025Source 28needs review

First-in-human dual AAV therapy for hereditary hearing loss showcased restoration of auditory function in patients.

has showcased the restoration of auditory function for patients
Claim 36clinical outcome and safetymixed2025Source 13needs review

AAV-based therapies such as Elevidys for DMD and Zolgensma for SMA demonstrate functional improvements, although immune responses and hepatotoxicity remain concerns.

Clinically, AAV-based therapies (e.g., Elevidys® for DMD, Zolgensma® for SMA) demonstrate functional improvements, though immune responses and hepatotoxicity remain concerns.
Claim 37clinical translationsupports2025Source 28needs review

LNP and GalNAc non-viral vectors have led to successful gene therapy products.

non-viral vectors such as lipid nanoparticles (LNP) and N-acetylgalactosamine (GalNAc) have led to successful gene therapy products
Claim 38comparative advantagesupports2025Source 14needs review

Lipid nanoparticles are presented as a promising non-viral platform for optogenetic delivery because they can overcome some AAV-related limitations.

lipid nanoparticles can overcome some of the previously mentioned problems of AAV vectors, making them prime candidates for optogenetic delivery
Claim 39comparative advantages limitationsmixed2025Source 13needs review

Non-viral vectors including liposomes, polymers, and exosomes offer advantages in cargo capacity, biocompatibility, and scalable production, but they face challenges in transduction efficiency and endosomal escape.

Non-viral vectors (liposomes, polymers, exosomes) offer advantages in cargo capacity (delivering full-length dystrophin), biocompatibility, and scalable production but face challenges in transduction efficiency and endosomal escape.
Claim 40comparative performancesupports2025Source 21needs review

AAV transduction was more efficient in pigeon telencephalon than mesencephalon.

AAV transduction being more efficient in the telencephalon than mesencephalon
Claim 41delivery platform rolesupports2025Source 25needs review

AAV vectors are presented as the primary delivery platform for DMD gene therapy because of muscle tropism, low immunogenicity, and long-term transgene expression.

Claim 42delivery resultsupports2025Source 14needs review

Lipid nanoparticles were evaluated for delivery of the ChrimsonR plasmid in neurons in vitro.

we evaluated their suitability for the delivery of the ChrimsonR plasmid in neurons in vitro
Claim 43design enablersupports2025Source 2needs review

DNA sequencing technologies enhance identification and incorporation of therapeutic genes into AAV vectors for ovarian cancer gene therapy.

Claim 44dominant applicationsupports2025Source 13needs review

AAV vectors dominate clinical applications for gene therapy in hereditary skeletal myopathies because they efficiently transduce post-mitotic myofibers and support sustained transgene expression.

Adeno-associated virus (AAV) vectors dominate clinical applications due to their efficient transduction of post-mitotic myofibers and sustained transgene expression.
Claim 45durability limitationsupports2025Source 25needs review

The duration of AAV-mediated expression is limited by the episomal nature of AAV genomes and their loss during muscle fiber regeneration.

Claim 46engineering effectsupports2025Source 13needs review

AAV engineering innovations including capsid modification, self-complementary genomes, and tissue-specific promoters such as MHCK7 enhance muscle tropism while mitigating immunogenicity and off-target effects.

Innovations in AAV engineering, such as capsid modification (chemical conjugation, rational design, directed evolution), self-complementary genomes, and tissue-specific promoters (e.g., MHCK7), enhance muscle tropism while mitigating immunogenicity and off-target effects.
Claim 47factor effectsupports2025Source 21needs review

The hChR2 component significantly affected transduction efficiency in the pigeon AAV experiments.

the hChR2 component significantly affecting transduction efficiency
Claim 48field statussupports2025Source 25needs review

Despite substantial progress, safety, immunogenicity, and stability of genetic correction remain unresolved issues in AAV-mediated DMD therapy.

Claim 49functional limitationmixed2025Source 14needs review

Further in vitro analysis showed altered electrophysiological parameters with reduced signal amplitudes after lipid nanoparticle-mediated delivery.

Further in vitro analysis showed that electrophysiological parameters were altered, with reduced signal amplitudes
Claim 50future directionsupports2025Source 13needs review

Future targeted gene delivery strategies for muscular disorders emphasize AI-driven vector design, AAV-exosome hybrid systems, and standardized manufacturing to pursue single-dose lifelong therapeutic benefit.

Future directions focus on AI-driven vector design, hybrid systems (AAV-exosomes), and standardized manufacturing to achieve "single-dose, lifelong cure" paradigms for muscular disorders.
Claim 51limitationsupports2025Source 27needs review

AAV limitations for delivering CRISPR modalities continue to impede viable therapeutic interventions targeting the brain.

However, AAV limitations for delivering CRISPR modalities continue to impede viable therapeutic interventions targeting the brain.
Claim 52limitationsupports2025Source 11needs review

AAV vectors for gene therapy are limited by the cost and toxicity of the large doses required.

The promise of adeno-associated virus (AAV) vectors for gene therapy is held back by the cost and toxicity of the large doses required.
Claim 53limitationsupports2025Source 25needs review

Major challenges for AAV-mediated DMD gene therapy include immune responses against viral capsid and transgene products and inability to perform repeated administrations.

Claim 54maturity statementsupports2025Source 26needs review

mRNA platforms, viral vectors, and engineered cell therapies have matured considerably due to years of clinical experience and growing regulatory confidence.

Claim 55mechanism or capabilitysupports2025Source 28needs review

Dual AAV therapy can overcome large gene delivery limitations.

the first-in-human dual AAV therapy for hereditary hearing loss, which overcomes large gene delivery
Claim 56method outputsupports2025Source 21needs review

The study determined optimum injection dose and transduction period guidelines for each location and serotype tested in pigeons.

The optimum injection dose and transduction period guideline for each location and serotype were determined.
Claim 57overall conclusionmixed2025Source 14needs review

Lipid nanoparticles represent a promising non-viral platform for optogenetic delivery, but formulation optimization is required to achieve full functional efficacy.

These results demonstrate that lipid nanoparticles represent a promising non-viral platform for optogenetic delivery, though formulation optimization is required to achieve full functional efficacy.
Claim 58packaging constraintsupports2025Source 25needs review

AAV packaging capacity is approximately 4.7 kb, which necessitates truncated mini- and micro-dystrophin transgenes and compact genome editing systems for DMD applications.

packaging capacity 4.7 kb
Claim 59performancesupports2025Source 21needs review

In pigeons, AAV serotypes 1 and 11 with ubiquitous promoters transduced well across all brain regions tested.

We found serotypes 1 and 11 with ubiquitous promoters transducing well at all brain regions
Claim 60performance differencesupports2025Source 11needs review

In mice, intraperitoneal AAV injection during the resting phase (ZT6) produced greater transgene expression over several weeks than equivalent injection during the waking phase (ZT18).

intraperitoneal doses of AAVs injected during the resting phase (ZT6, 12:00PM) produced greater transgene expression over several weeks than equivalent doses injected during the waking phase (ZT18, 12:00AM).
timepoint comparison ZT6 > ZT18
Claim 61potential applicationsupports2025Source 2needs review

AAV vectors have potential for gene therapy in ovarian cancer.

Claim 62propertysupports2025Source 27needs review

AAV is characterized by high transduction efficiency in dividing and non-dividing cells, low immunogenicity and toxicity, and exceptional tissue specificity.

AAV is characterized by high transduction efficiency in both dividing and non-dividing cells, low immunogenicity and toxicity, and exceptional tissue specificity.
Claim 63safety tolerabilitysupports2025Source 14needs review

Cell viability assays showed no decline in cell viability after lipid nanoparticle-mediated delivery in vitro.

however, cell viability assays showed no decline in cell viability
Claim 64safety tolerabilitysupports2025Source 14needs review

In rat cortical neurons, lipid nanoparticles did not reduce several measured neuronal morphological parameters in most tested concentrations compared with lipofectamine.

In rat cortical neurons, in most of the concentrations tested, there was no reduction in several neuron morphological parameters that we measured when compared to another non-viral nanoparticle called lipofectamine.
Claim 65strategy scopesupports2025Source 2needs review

Rational ovarian cancer AAV gene therapy strategies can be categorized by target cells and target genes to determine effective approaches.

Claim 66targeting capabilitysupports2025Source 2needs review

Innovations in AAV capsid design allow targeted delivery focused on ovarian cancer stem cells identified by specific markers.

Claim 67translational implicationsupports2025Source 11needs review

Timing AAV administration by circadian phase could improve safety and reduce costs of AAV gene therapy and potentially other nanoparticle therapies.

This insight could lead to future work that improves safety and reduces costs of AAV gene therapy and other nanoparticle therapies.
Claim 68translation potentialsupports2025Source 26needs review

Clinical success of AAV- and lentiviral-based interventions and approval of CAR-T cell therapies highlight the potential of these technologies to transform delivery of antibody therapeutics.

Claim 69utilitysupports2025Source 27needs review

AAV is a promising and widely utilized vector for gene therapy applications including the CNS.

The adeno-associated virus (AAV) is a promising and most widely utilized vector for gene therapy application including the CNS.
Claim 70utility overviewsupports2025Source 28needs review

Lentiviral vectors, adenoviral vectors, and AAV are widely used viral vectors that have enabled notable preclinical and clinical successes in gene therapy over the past two decades.

Over the past two decades, three widely used viral vectors-lentiviruses (LV), adenoviruses (Ad), and adeno-associated viruses (AAV)-have enabled notable preclinical and clinical successes
Claim 71review scope statementsupports2024Source 6needs review

This review concerns adeno-associated virus as a delivery vector for gene therapy of human diseases.

Claim 72review scope statementsupports2023Source 1needs review

The review covers characteristics of different AAV delivery routes in ocular clinical applications.

Claim 73review scope statementsupports2023Source 1needs review

The review discusses progress of AAV in ocular optogenetic therapy.

Claim 74review scope statementsupports2023Source 1needs review

The review outlines recent progress in AAV-mediated gene editing and silencing strategies for genetic ocular diseases, especially base editing and prime editing.

Claim 75review summarysupports2023Source 1needs review

AAV is presented as one of the most promising viral gene delivery tools for ocular gene therapy because it can infect various tissue types and is considered relatively safe.

Claim 76review summarysupports2023Source 1needs review

An increasing number of clinical trials of AAV-mediated gene therapy are underway for ocular diseases.

Claim 77review summarysupports2023Source 1needs review

The eye is described as a favorable organ for AAV gene therapy because its limited volume is suitable for small doses that can achieve stable transduction.

Claim 78review summarysupports2023Source 1needs review

The review identifies difficulties in the clinical transformation of AAV-mediated ocular gene therapy.

Claim 79capability summarysupports2022Source 23needs review

Viral vehicles combined with genetic tools enable visualization of functional neural networks and monitoring and manipulation of neural circuit functions with cell type- and projection-specific targeting.

Viral vehicles combined with genetic tools provide the possibility to visualize entire functional neural networks and monitor and manipulate neural circuit functions by high-resolution cell type- and projection-specific targeting.
Claim 80combination strategysupports2022Source 5needs review

Pairing engineered AAVs with gene regulatory elements and reporter, sensor, or effector cargo enables highly specific transgene expression for anatomical and functional analyses of brain cells and circuits.

Claim 81engineering axissupports2022Source 5needs review

AAV vectors have two engineerable features, the capsid and the cargo, which can be modified to alter tropism and transgene expression control.

Claim 82review scopesupports2022Source 5needs review

The review presents a comprehensive capsid-and-cargo AAV toolkit for genetic access to molecularly defined brain cell types.

Claim 83scope statementsupports2022Source 23needs review

The review summarizes current and emerging viral strategies for targeting neural circuits with a focus on AAV vectors.

In this review, we summarize current and emerging viral strategies for targeting neural circuits and focus on adeno-associated virus (AAV) vectors.
Claim 84toolkit scopesupports2022Source 5needs review

Recombinant AAVs are commonly used gene delivery vehicles for neuroscience research.

Claim 85payload scopesupports2020Source 18needs review

Intersectional AAV circuit-targeting approaches can target expression of fluorescent reporters, optogenetic ion channels, chemogenetic receptors, disease-associated proteins, and other factors to defined neural circuits.

These approaches can precisely target the expression of fluorescent reporters, optogenetic ion channels, chemogenetic receptors, disease-associated proteins, and other factors to defined neural circuits
Claim 86review scope summarysupports2020Source 18needs review

The review covers axonal-transport-based intersectional AAV approaches for targeting neuron populations defined by connectivity.

We review emerging techniques that use the axonal transport of adeno-associated virus (AAV) vectors to dissect neural circuits. These intersectional approaches specifically target AAV-mediated gene expression to discrete neuron populations based on their axonal connectivity
Claim 87tool role summarysupports2020Source 18needs review

AAV1-mediated anterograde transsynaptic tagging is presented in the supplied source summary as a basis for input-defined and input-plus-output-defined circuit targeting schemes discussed by the review.

forming the basis of input-defined and input+output-defined circuit targeting schemes discussed in the review
Claim 88tool role summarysupports2020Source 18needs review

AAV2-retro is presented in the supplied source summary as a key engineered retrograde capsid enabling output-defined intersectional targeting strategies discussed by the review.

the engineered retrograde capsid AAV2-retro (Tervo et al., 2016)
Claim 89tool role summarysupports2020Source 18needs review

INTRSECT is presented in the supplied source summary as a multi-recombinase Boolean expression framework connected to reviewed intersectional AAV approaches.

introducing the multi-recombinase Boolean expression framework explicitly connected to reviewed intersectional AAV approaches
Claim 90capabilitysupports2017Source 20needs review

Genetically modified viral vectors broaden the ability to express genes of interest and support inducible manipulations in neural systems.

Claim 91comparative advantagesupports2017Source 20needs review

Chemogenetics can be activated via a systemic drug without indwelling fiber optics and acts in a more naturalistic modulatory fashion through second-messenger pathways than optogenetics.

Claim 92field impactsupports2017Source 20needs review

Optogenetic and chemogenetic approaches allow mechanistic, temporally specific, cell-type-specific, and circuit-specific neural regulation of behaviors.

Claim 93packaging enablementsupports2017Source 17needs review

Smaller Cas9 orthologues enabled packaging of Cas9 nuclease and its chimeric guide RNA into a single AAV delivery vehicle for robust in vivo genome editing.

Recent discoveries of smaller Cas9 orthologues have enabled the packaging of Cas9 nuclease and its chimeric guide RNA into a single AAV delivery vehicle for robust in vivo genome editing.
Claim 94packaging enablementsupports2017Source 17needs review

Smaller Cas9 orthologues enabled packaging of Cas9 nuclease and its chimeric guide RNA into a single AAV delivery vehicle for robust in vivo genome editing.

Recent discoveries of smaller Cas9 orthologues have enabled the packaging of Cas9 nuclease and its chimeric guide RNA into a single AAV delivery vehicle for robust in vivo genome editing.
Claim 95packaging enablementsupports2017Source 17needs review

Smaller Cas9 orthologues enabled packaging of Cas9 nuclease and its chimeric guide RNA into a single AAV delivery vehicle for robust in vivo genome editing.

Recent discoveries of smaller Cas9 orthologues have enabled the packaging of Cas9 nuclease and its chimeric guide RNA into a single AAV delivery vehicle for robust in vivo genome editing.
Claim 96packaging enablementsupports2017Source 17needs review

Smaller Cas9 orthologues enabled packaging of Cas9 nuclease and its chimeric guide RNA into a single AAV delivery vehicle for robust in vivo genome editing.

Recent discoveries of smaller Cas9 orthologues have enabled the packaging of Cas9 nuclease and its chimeric guide RNA into a single AAV delivery vehicle for robust in vivo genome editing.
Claim 97packaging enablementsupports2017Source 17needs review

Smaller Cas9 orthologues enabled packaging of Cas9 nuclease and its chimeric guide RNA into a single AAV delivery vehicle for robust in vivo genome editing.

Recent discoveries of smaller Cas9 orthologues have enabled the packaging of Cas9 nuclease and its chimeric guide RNA into a single AAV delivery vehicle for robust in vivo genome editing.
Claim 98packaging enablementsupports2017Source 17needs review

Smaller Cas9 orthologues enabled packaging of Cas9 nuclease and its chimeric guide RNA into a single AAV delivery vehicle for robust in vivo genome editing.

Recent discoveries of smaller Cas9 orthologues have enabled the packaging of Cas9 nuclease and its chimeric guide RNA into a single AAV delivery vehicle for robust in vivo genome editing.
Claim 99packaging enablementsupports2017Source 17needs review

Smaller Cas9 orthologues enabled packaging of Cas9 nuclease and its chimeric guide RNA into a single AAV delivery vehicle for robust in vivo genome editing.

Recent discoveries of smaller Cas9 orthologues have enabled the packaging of Cas9 nuclease and its chimeric guide RNA into a single AAV delivery vehicle for robust in vivo genome editing.
Claim 100performance advancesupports2017Source 17needs review

The combined use of small Cas9 orthologues, tissue-specific minimal promoters, AAV serotypes, and different routes of administration has advanced efficient and precise in vivo genome editing.

the combined use of small Cas9 orthologues, tissue-specific minimal promoters, AAV serotypes, and different routes of administration has advanced the development of efficient and precise in vivo genome editing
Claim 101performance advancesupports2017Source 17needs review

The combined use of small Cas9 orthologues, tissue-specific minimal promoters, AAV serotypes, and different routes of administration has advanced efficient and precise in vivo genome editing.

the combined use of small Cas9 orthologues, tissue-specific minimal promoters, AAV serotypes, and different routes of administration has advanced the development of efficient and precise in vivo genome editing
Claim 102performance advancesupports2017Source 17needs review

The combined use of small Cas9 orthologues, tissue-specific minimal promoters, AAV serotypes, and different routes of administration has advanced efficient and precise in vivo genome editing.

the combined use of small Cas9 orthologues, tissue-specific minimal promoters, AAV serotypes, and different routes of administration has advanced the development of efficient and precise in vivo genome editing
Claim 103performance advancesupports2017Source 17needs review

The combined use of small Cas9 orthologues, tissue-specific minimal promoters, AAV serotypes, and different routes of administration has advanced efficient and precise in vivo genome editing.

the combined use of small Cas9 orthologues, tissue-specific minimal promoters, AAV serotypes, and different routes of administration has advanced the development of efficient and precise in vivo genome editing
Claim 104performance advancesupports2017Source 17needs review

The combined use of small Cas9 orthologues, tissue-specific minimal promoters, AAV serotypes, and different routes of administration has advanced efficient and precise in vivo genome editing.

the combined use of small Cas9 orthologues, tissue-specific minimal promoters, AAV serotypes, and different routes of administration has advanced the development of efficient and precise in vivo genome editing
Claim 105performance advancesupports2017Source 17needs review

The combined use of small Cas9 orthologues, tissue-specific minimal promoters, AAV serotypes, and different routes of administration has advanced efficient and precise in vivo genome editing.

the combined use of small Cas9 orthologues, tissue-specific minimal promoters, AAV serotypes, and different routes of administration has advanced the development of efficient and precise in vivo genome editing
Claim 106performance advancesupports2017Source 17needs review

The combined use of small Cas9 orthologues, tissue-specific minimal promoters, AAV serotypes, and different routes of administration has advanced efficient and precise in vivo genome editing.

the combined use of small Cas9 orthologues, tissue-specific minimal promoters, AAV serotypes, and different routes of administration has advanced the development of efficient and precise in vivo genome editing
Claim 107risk or limitationsupports2017Source 17needs review

AAV delivery vehicles and CRISPR components are associated with off-target effects, immunogenicity, and toxicity as challenges for therapeutic use.

potential strategies to overcome off-target effects, immunogenicity, and toxicity associated with CRISPR components and AAV delivery vehicles
Claim 108risk or limitationsupports2017Source 17needs review

AAV delivery vehicles and CRISPR components are associated with off-target effects, immunogenicity, and toxicity as challenges for therapeutic use.

potential strategies to overcome off-target effects, immunogenicity, and toxicity associated with CRISPR components and AAV delivery vehicles
Claim 109risk or limitationsupports2017Source 17needs review

AAV delivery vehicles and CRISPR components are associated with off-target effects, immunogenicity, and toxicity as challenges for therapeutic use.

potential strategies to overcome off-target effects, immunogenicity, and toxicity associated with CRISPR components and AAV delivery vehicles
Claim 110risk or limitationsupports2017Source 17needs review

AAV delivery vehicles and CRISPR components are associated with off-target effects, immunogenicity, and toxicity as challenges for therapeutic use.

potential strategies to overcome off-target effects, immunogenicity, and toxicity associated with CRISPR components and AAV delivery vehicles
Claim 111risk or limitationsupports2017Source 17needs review

AAV delivery vehicles and CRISPR components are associated with off-target effects, immunogenicity, and toxicity as challenges for therapeutic use.

potential strategies to overcome off-target effects, immunogenicity, and toxicity associated with CRISPR components and AAV delivery vehicles
Claim 112risk or limitationsupports2017Source 17needs review

AAV delivery vehicles and CRISPR components are associated with off-target effects, immunogenicity, and toxicity as challenges for therapeutic use.

potential strategies to overcome off-target effects, immunogenicity, and toxicity associated with CRISPR components and AAV delivery vehicles
Claim 113risk or limitationsupports2017Source 17needs review

AAV delivery vehicles and CRISPR components are associated with off-target effects, immunogenicity, and toxicity as challenges for therapeutic use.

potential strategies to overcome off-target effects, immunogenicity, and toxicity associated with CRISPR components and AAV delivery vehicles
Claim 114suitability for deliverysupports2017Source 17needs review

AAV provides a suitable viral vector to package, deliver, and express CRISPR components for targeted gene editing.

AAV provides one of the most suitable viral vectors to package, deliver, and express CRISPR components for targeted gene editing.
Claim 115suitability for deliverysupports2017Source 17needs review

AAV provides a suitable viral vector to package, deliver, and express CRISPR components for targeted gene editing.

AAV provides one of the most suitable viral vectors to package, deliver, and express CRISPR components for targeted gene editing.
Claim 116suitability for deliverysupports2017Source 17needs review

AAV provides a suitable viral vector to package, deliver, and express CRISPR components for targeted gene editing.

AAV provides one of the most suitable viral vectors to package, deliver, and express CRISPR components for targeted gene editing.
Claim 117suitability for deliverysupports2017Source 17needs review

AAV provides a suitable viral vector to package, deliver, and express CRISPR components for targeted gene editing.

AAV provides one of the most suitable viral vectors to package, deliver, and express CRISPR components for targeted gene editing.
Claim 118suitability for deliverysupports2017Source 17needs review

AAV provides a suitable viral vector to package, deliver, and express CRISPR components for targeted gene editing.

AAV provides one of the most suitable viral vectors to package, deliver, and express CRISPR components for targeted gene editing.
Claim 119suitability for deliverysupports2017Source 17needs review

AAV provides a suitable viral vector to package, deliver, and express CRISPR components for targeted gene editing.

AAV provides one of the most suitable viral vectors to package, deliver, and express CRISPR components for targeted gene editing.
Claim 120suitability for deliverysupports2017Source 17needs review

AAV provides a suitable viral vector to package, deliver, and express CRISPR components for targeted gene editing.

AAV provides one of the most suitable viral vectors to package, deliver, and express CRISPR components for targeted gene editing.
Claim 121tool statussupports2017Source 20needs review

DREADD technology is presented as the most robust model of chemogenetics.

Claim 122approach summarysupports2016Source 24needs review

Anterograde projection targeting and retrograde transport of viral vectors are two projection-targeting approaches for probing neural circuits.

We discuss two projection targeting approaches for probing neural circuits: anterograde projection targeting and retrograde transport of viral vectors.
Claim 123approach summarysupports2016Source 24needs review

Cell type-specific promoters and other nucleotide sequences can be used in viral vectors to target neuronal types at the transcriptional level.

cell type-specific promoters and other nucleotide sequences that can be used in viral vectors to target neuronal types at the transcriptional level
Claim 124challenge statementsupports2016Source 24needs review

Targeting specific neuronal types with optogenetic and chemogenetic tools remains challenging in primates.

In primates, however, targeting specific types of neurons with these tools remains challenging.
Claim 125property summarysupports2016Source 24needs review

Viral-vector targeting performance is discussed in terms of cell-type tropism and prospects for improved efficacy and selectivity through new variants.

their tropism for different cell types, and prospects for new variants with improved efficacy and selectivity
Claim 126scope summarysupports2016Source 24needs review

AAV and lentiviral vectors are major viral-vector platforms discussed for gene delivery to neurons in the adult primate central nervous system.

We review the literature on viral vectors for gene delivery to neurons, focusing on adeno-associated viral vectors and lentiviral vectors
Claim 127paper topicsupports2015Source 3needs review

This paper is about AAV at its 50-year milestone.

Claim 128application successsupports2014Source 4needs review

AAV has shown success in some clinical and research applications.

some of the clinical and research applications where AAV has shown success
Claim 129capabilitysupports2014Source 4needs review

AAV is capable of transducing a wide range of species and tissues in vivo.

It is capable of transducing a wide range of species and tissues in vivo
Claim 130immunogenicitysupports2014Source 4needs review

AAV generates relatively mild innate and adaptive immune responses.

and it generates relatively mild innate and adaptive immune responses
Claim 131safety or tolerabilitysupports2014Source 4needs review

AAV shows no evidence of toxicity in the abstract's summarized in vivo context.

with no evidence of toxicity
Claim 132tool origin or rolesupports2014Source 4needs review

AAV was adapted for use as a gene transfer vehicle.

Adeno-associated virus (AAV) is a small, nonenveloped virus that was adapted 30 years ago for use as a gene transfer vehicle.

Approval Evidence

13 sources33 linked approval claimsfirst-pass slugs aav, adeno-associated-vector, adeno-associated-viral-aav-vector, adeno-associated-virus, adeno-associated-viruses, recombinant-adeno-associated-virus
increasing clinical experience with in-vivo editing - particularly using lipid nanoparticle (LNP) and adeno-associated virus (AAV)-based platforms - that has also revealed important safety considerations

Source:

all these products rely on delivery via adeno-associated vectors (AAVs) and lentiviral vectors (LVs)

Source:

adeno-associated viral (AAV)-based RPGR gene therapy

Source:

Emerging delivery vehicles (AAVs, LNPs, lentivirus, virus-like particles) and their translational implications are discussed.

Source:

viral vectors, such as adeno-associated viruses and lentiviruses, have shown promise in delivering targeted genetic interventions

Source:

These strategies include the use of adeno-associated viruses, cell-specific promoters, modified opsins, and methodologies such as bioluminescent optogenetics. The application of viral recombinant vectors, particularly adeno-associated viruses, is emerging as a promising avenue for clinical use in delivering opsins to target cells.

Source:

The adeno-associated virus (AAV) is a promising and most widely utilized vector for gene therapy application including the CNS.

Source:

Adeno-associated viruses (AAVs) and lentiviruses have been used for gene delivery in preclinical and clinical studies.

Source:

Title: "Adeno-associated virus as a delivery vector for gene therapy of human diseases"

Source:

Adeno-associated virus (AAV) is considered one of the most promising viral gene delivery tools because it can infect various types of tissues and is considered as a relatively safe gene delivery vector.

Source:

Recombinant adeno-associated viruses (AAVs) are commonly used gene delivery vehicles for neuroscience research.

Source:

Adeno-associated virus (AAV) has shown promising therapeutic efficacy with a good safety profile

Source:

delivery capabilitysupports

Adeno-associated viruses and lentiviruses have shown promise for delivering targeted genetic interventions in epilepsy gene therapy.

viral vectors, such as adeno-associated viruses and lentiviruses, have shown promise in delivering targeted genetic interventions

Source:

delivery platform usagesupports

The approved viral gene therapy products highlighted in the abstract rely on adeno-associated vectors and lentiviral vectors for delivery.

Source:

delivery scopesupports

The review discusses AAVs, LNPs, lentivirus, and virus-like particles as emerging delivery vehicles for gene editing therapies targeting lipid metabolism in cardiovascular disease.

Emerging delivery vehicles (AAVs, LNPs, lentivirus, virus-like particles) and their translational implications are discussed.

Source:

delivery strategy summarysupports

Adeno-associated viruses are presented as a promising clinical delivery approach for opsins to target cells and can improve flexibility and accuracy of opsin delivery when combined with cell-specific promoters and serotype choice.

Source:

field driversupports

Improvements in viral-mediated gene transfer efficiency and clinical-scale manufacturing have helped propel the clinical adoption of gene therapy products.

Source:

field statussupports

Nearly 30 new viral gene therapy programs have been approved by the US FDA since the first AAV-based gene therapy approval in 2017.

Source:

limitationsupports

Major challenges for epilepsy gene therapy include safe and efficient gene delivery, maintaining long-term therapeutic effects, and mitigating potential side effects.

However, significant challenges exist, including ensuring safe and efficient gene delivery, maintaining long-term therapeutic effects, and mitigating potential side effects.

Source:

safety risksupports

AAV-based RPGR gene therapy significantly increased ocular treatment-emergent adverse event risk in pooled controlled clinical evidence for RPGR-associated XLRP.

Source:

safety risksupports

Increasing clinical experience with in vivo editing using LNP- and AAV-based platforms has revealed safety considerations including vector immunogenicity, systemic inflammation, and organ-specific toxicities.

Source:

scope expansionsupports

Next-generation editors and targeted delivery systems have expanded the scope of feasible cardiovascular applications, but biological barriers still limit translation to well tolerated durable one-time genomic therapies.

Source:

technical barriersupports

Emerging editing technologies aim to overcome limited vector cargo capacity, PAM incompatibility, chromatin accessibility, suboptimal editing efficiency, and off-target activity.

Source:

translation constraintsupports

Successful clinical translation of gene and base editing for cardiovascular disease depends on efficient and precise delivery and on mitigating immunogenicity and toxicity from both delivery vectors and gene-editing enzymes.

Source:

application statementsupports

AAVs and lentiviruses have been used for gene delivery in preclinical and clinical studies.

Adeno-associated viruses (AAVs) and lentiviruses have been used for gene delivery in preclinical and clinical studies

Source:

limitationsupports

AAV limitations for delivering CRISPR modalities continue to impede viable therapeutic interventions targeting the brain.

However, AAV limitations for delivering CRISPR modalities continue to impede viable therapeutic interventions targeting the brain.

Source:

propertysupports

AAV is characterized by high transduction efficiency in dividing and non-dividing cells, low immunogenicity and toxicity, and exceptional tissue specificity.

AAV is characterized by high transduction efficiency in both dividing and non-dividing cells, low immunogenicity and toxicity, and exceptional tissue specificity.

Source:

scope statementsupports

Current and developing therapeutic strategies for neurodegeneration include viral vector-based gene delivery, antisense oligonucleotide and RNA interference methods, stem cell transplantation, and genome editing technologies.

In this review, we describe current and developing therapeutic strategies that include viral vector-based gene delivery, antisense oligonucleotide (ASO) and RNA interference methods, stem cell transplantation, and genome editing technologies.

Source:

utilitysupports

AAV is a promising and widely utilized vector for gene therapy applications including the CNS.

The adeno-associated virus (AAV) is a promising and most widely utilized vector for gene therapy application including the CNS.

Source:

review scope statementsupports

This review concerns adeno-associated virus as a delivery vector for gene therapy of human diseases.

Source:

review scope statementsupports

The review covers characteristics of different AAV delivery routes in ocular clinical applications.

Source:

review scope statementsupports

The review discusses progress of AAV in ocular optogenetic therapy.

Source:

Comparisons

Source-stated alternatives

The abstract mentions recombinant viral vectors more broadly, along with modified opsins and bioluminescent optogenetics as adjacent strategies.; The abstract mentions lentiviruses as another viral vector option.; The abstract contrasts AAV with LNPs, lentivirus, and virus-like particles.; No alternative delivery platforms are explicitly discussed in the abstract.; The abstract contrasts AAV with lentiviral vectors as the other main viral carrier discussed.; The abstract directly contrasts AAV-based platforms with LNP-based platforms.; The abstract contrasts AAV with lentiviruses as another viral delivery modality, and also discusses non-viral approaches such as ASOs, RNA interference, stem cell transplantation, and genome editing.; The abstract does not name alternative delivery vehicles. It contrasts AAV's promise with its remaining limitations for CRISPR delivery.; The supplied payload identifies AAV as a viral vector platform, but does not explicitly describe alternative delivery systems in the review text.; The abstract does not name non-AAV delivery platforms as direct alternatives. It instead contrasts different AAV delivery routes and downstream application modes such as editing, silencing, and optogenetics.; The abstract does not explicitly discuss non-AAV delivery alternatives.

Source:

The abstract mentions recombinant viral vectors more broadly, along with modified opsins and bioluminescent optogenetics as adjacent strategies.

Source:

The abstract mentions lentiviruses as another viral vector option.

Source:

The abstract contrasts AAV with LNPs, lentivirus, and virus-like particles.

Source:

No alternative delivery platforms are explicitly discussed in the abstract.

Source:

The abstract contrasts AAV with lentiviral vectors as the other main viral carrier discussed.

Source:

The abstract directly contrasts AAV-based platforms with LNP-based platforms.

Source:

The abstract contrasts AAV with lentiviruses as another viral delivery modality, and also discusses non-viral approaches such as ASOs, RNA interference, stem cell transplantation, and genome editing.

Source:

The abstract does not name alternative delivery vehicles. It contrasts AAV's promise with its remaining limitations for CRISPR delivery.

Source:

The supplied payload identifies AAV as a viral vector platform, but does not explicitly describe alternative delivery systems in the review text.

Source:

The abstract does not name non-AAV delivery platforms as direct alternatives. It instead contrasts different AAV delivery routes and downstream application modes such as editing, silencing, and optogenetics.

Source:

The abstract does not explicitly discuss non-AAV delivery alternatives.

Source-backed strengths

The supplied evidence describes AAV as having promising therapeutic efficacy with a good safety profile. It also supports robust in vivo genome editing and can be optimized through serotype choice, tissue-specific minimal promoters, and route of administration to improve editing efficiency and precision.

The abstract contrasts AAV with lentiviruses as another viral delivery modality, and also discusses non-viral approaches such as ASOs, RNA interference, stem cell transplantation, and genome editing.

Shared frame: source-stated alternative in extracted literature

Strengths here: promising avenue for clinical use; greater flexibility and accuracy in opsin delivery; supports restricted expression through promoter and serotype choice.

Relative tradeoffs: the review discusses limitations of optogenetic tools that motivate use of improved delivery strategies; safe and efficient gene delivery remains a challenge; long-term therapeutic effects and side effects remain concerns.

Source:

The abstract contrasts AAV with lentiviruses as another viral delivery modality, and also discusses non-viral approaches such as ASOs, RNA interference, stem cell transplantation, and genome editing.

The abstract contrasts AAV with lentiviruses as another viral delivery modality, and also discusses non-viral approaches such as ASOs, RNA interference, stem cell transplantation, and genome editing.

Shared frame: source-stated alternative in extracted literature

Strengths here: promising avenue for clinical use; greater flexibility and accuracy in opsin delivery; supports restricted expression through promoter and serotype choice.

Relative tradeoffs: the review discusses limitations of optogenetic tools that motivate use of improved delivery strategies; safe and efficient gene delivery remains a challenge; long-term therapeutic effects and side effects remain concerns.

Source:

The abstract contrasts AAV with lentiviruses as another viral delivery modality, and also discusses non-viral approaches such as ASOs, RNA interference, stem cell transplantation, and genome editing.

The abstract contrasts AAV with lentiviruses as another viral delivery modality, and also discusses non-viral approaches such as ASOs, RNA interference, stem cell transplantation, and genome editing.

Shared frame: source-stated alternative in extracted literature

Strengths here: promising avenue for clinical use; greater flexibility and accuracy in opsin delivery; supports restricted expression through promoter and serotype choice.

Relative tradeoffs: the review discusses limitations of optogenetic tools that motivate use of improved delivery strategies; safe and efficient gene delivery remains a challenge; long-term therapeutic effects and side effects remain concerns.

Source:

The abstract contrasts AAV with lentiviruses as another viral delivery modality, and also discusses non-viral approaches such as ASOs, RNA interference, stem cell transplantation, and genome editing.

Compared with CRISPR/Cas9

The abstract does not name alternative delivery vehicles. It contrasts AAV's promise with its remaining limitations for CRISPR delivery.

Shared frame: source-stated alternative in extracted literature

Strengths here: promising avenue for clinical use; greater flexibility and accuracy in opsin delivery; supports restricted expression through promoter and serotype choice.

Relative tradeoffs: the review discusses limitations of optogenetic tools that motivate use of improved delivery strategies; safe and efficient gene delivery remains a challenge; long-term therapeutic effects and side effects remain concerns.

Source:

The abstract does not name alternative delivery vehicles. It contrasts AAV's promise with its remaining limitations for CRISPR delivery.

Compared with CRISPR/Cas9 system

The abstract does not name alternative delivery vehicles. It contrasts AAV's promise with its remaining limitations for CRISPR delivery.

Shared frame: source-stated alternative in extracted literature

Strengths here: promising avenue for clinical use; greater flexibility and accuracy in opsin delivery; supports restricted expression through promoter and serotype choice.

Relative tradeoffs: the review discusses limitations of optogenetic tools that motivate use of improved delivery strategies; safe and efficient gene delivery remains a challenge; long-term therapeutic effects and side effects remain concerns.

Source:

The abstract does not name alternative delivery vehicles. It contrasts AAV's promise with its remaining limitations for CRISPR delivery.

Compared with lentivirus

The abstract mentions lentiviruses as another viral vector option.; The abstract contrasts AAV with LNPs, lentivirus, and virus-like particles.; The abstract contrasts AAV with lentiviruses as another viral delivery modality, and also discusses non-viral approaches such as ASOs, RNA interference, stem cell transplantation, and genome editing.

Shared frame: source-stated alternative in extracted literature

Strengths here: promising avenue for clinical use; greater flexibility and accuracy in opsin delivery; supports restricted expression through promoter and serotype choice.

Relative tradeoffs: the review discusses limitations of optogenetic tools that motivate use of improved delivery strategies; safe and efficient gene delivery remains a challenge; long-term therapeutic effects and side effects remain concerns.

Source:

The abstract mentions lentiviruses as another viral vector option.

Source:

The abstract contrasts AAV with LNPs, lentivirus, and virus-like particles.

Source:

The abstract contrasts AAV with lentiviruses as another viral delivery modality, and also discusses non-viral approaches such as ASOs, RNA interference, stem cell transplantation, and genome editing.

Compared with lipid nanoparticles

The abstract contrasts AAV with LNPs, lentivirus, and virus-like particles.

Shared frame: source-stated alternative in extracted literature

Strengths here: promising avenue for clinical use; greater flexibility and accuracy in opsin delivery; supports restricted expression through promoter and serotype choice.

Relative tradeoffs: the review discusses limitations of optogenetic tools that motivate use of improved delivery strategies; safe and efficient gene delivery remains a challenge; long-term therapeutic effects and side effects remain concerns.

Source:

The abstract contrasts AAV with LNPs, lentivirus, and virus-like particles.

The abstract contrasts AAV with LNPs, lentivirus, and virus-like particles.

Shared frame: source-stated alternative in extracted literature

Strengths here: promising avenue for clinical use; greater flexibility and accuracy in opsin delivery; supports restricted expression through promoter and serotype choice.

Relative tradeoffs: the review discusses limitations of optogenetic tools that motivate use of improved delivery strategies; safe and efficient gene delivery remains a challenge; long-term therapeutic effects and side effects remain concerns.

Source:

The abstract contrasts AAV with LNPs, lentivirus, and virus-like particles.

The abstract contrasts AAV with LNPs, lentivirus, and virus-like particles.

Shared frame: source-stated alternative in extracted literature

Strengths here: promising avenue for clinical use; greater flexibility and accuracy in opsin delivery; supports restricted expression through promoter and serotype choice.

Relative tradeoffs: the review discusses limitations of optogenetic tools that motivate use of improved delivery strategies; safe and efficient gene delivery remains a challenge; long-term therapeutic effects and side effects remain concerns.

Source:

The abstract contrasts AAV with LNPs, lentivirus, and virus-like particles.

Compared with opsins

The abstract mentions recombinant viral vectors more broadly, along with modified opsins and bioluminescent optogenetics as adjacent strategies.

Shared frame: source-stated alternative in extracted literature

Strengths here: promising avenue for clinical use; greater flexibility and accuracy in opsin delivery; supports restricted expression through promoter and serotype choice.

Relative tradeoffs: the review discusses limitations of optogenetic tools that motivate use of improved delivery strategies; safe and efficient gene delivery remains a challenge; long-term therapeutic effects and side effects remain concerns.

Source:

The abstract mentions recombinant viral vectors more broadly, along with modified opsins and bioluminescent optogenetics as adjacent strategies.

The abstract mentions recombinant viral vectors more broadly, along with modified opsins and bioluminescent optogenetics as adjacent strategies.; The abstract does not name non-AAV delivery platforms as direct alternatives. It instead contrasts different AAV delivery routes and downstream application modes such as editing, silencing, and optogenetics.

Shared frame: source-stated alternative in extracted literature

Strengths here: promising avenue for clinical use; greater flexibility and accuracy in opsin delivery; supports restricted expression through promoter and serotype choice.

Relative tradeoffs: the review discusses limitations of optogenetic tools that motivate use of improved delivery strategies; safe and efficient gene delivery remains a challenge; long-term therapeutic effects and side effects remain concerns.

Source:

The abstract mentions recombinant viral vectors more broadly, along with modified opsins and bioluminescent optogenetics as adjacent strategies.

Source:

The abstract does not name non-AAV delivery platforms as direct alternatives. It instead contrasts different AAV delivery routes and downstream application modes such as editing, silencing, and optogenetics.

The abstract mentions recombinant viral vectors more broadly, along with modified opsins and bioluminescent optogenetics as adjacent strategies.; The abstract does not name non-AAV delivery platforms as direct alternatives. It instead contrasts different AAV delivery routes and downstream application modes such as editing, silencing, and optogenetics.

Shared frame: source-stated alternative in extracted literature

Strengths here: promising avenue for clinical use; greater flexibility and accuracy in opsin delivery; supports restricted expression through promoter and serotype choice.

Relative tradeoffs: the review discusses limitations of optogenetic tools that motivate use of improved delivery strategies; safe and efficient gene delivery remains a challenge; long-term therapeutic effects and side effects remain concerns.

Source:

The abstract mentions recombinant viral vectors more broadly, along with modified opsins and bioluminescent optogenetics as adjacent strategies.

Source:

The abstract does not name non-AAV delivery platforms as direct alternatives. It instead contrasts different AAV delivery routes and downstream application modes such as editing, silencing, and optogenetics.

The abstract contrasts AAV with lentiviruses as another viral delivery modality, and also discusses non-viral approaches such as ASOs, RNA interference, stem cell transplantation, and genome editing.

Shared frame: source-stated alternative in extracted literature

Strengths here: promising avenue for clinical use; greater flexibility and accuracy in opsin delivery; supports restricted expression through promoter and serotype choice.

Relative tradeoffs: the review discusses limitations of optogenetic tools that motivate use of improved delivery strategies; safe and efficient gene delivery remains a challenge; long-term therapeutic effects and side effects remain concerns.

Source:

The abstract contrasts AAV with lentiviruses as another viral delivery modality, and also discusses non-viral approaches such as ASOs, RNA interference, stem cell transplantation, and genome editing.

Compared with virus-like particles

The abstract contrasts AAV with LNPs, lentivirus, and virus-like particles.

Shared frame: source-stated alternative in extracted literature

Strengths here: promising avenue for clinical use; greater flexibility and accuracy in opsin delivery; supports restricted expression through promoter and serotype choice.

Relative tradeoffs: the review discusses limitations of optogenetic tools that motivate use of improved delivery strategies; safe and efficient gene delivery remains a challenge; long-term therapeutic effects and side effects remain concerns.

Source:

The abstract contrasts AAV with LNPs, lentivirus, and virus-like particles.

The abstract contrasts AAV with LNPs, lentivirus, and virus-like particles.

Shared frame: source-stated alternative in extracted literature

Strengths here: promising avenue for clinical use; greater flexibility and accuracy in opsin delivery; supports restricted expression through promoter and serotype choice.

Relative tradeoffs: the review discusses limitations of optogenetic tools that motivate use of improved delivery strategies; safe and efficient gene delivery remains a challenge; long-term therapeutic effects and side effects remain concerns.

Source:

The abstract contrasts AAV with LNPs, lentivirus, and virus-like particles.

Ranked Citations

  1. 1.
    StructuralSource 1Research2023Claim 72Claim 73Claim 74

    Seeded from load plan for claim cl1. Extracted from this source document.

  2. 2.

    Extracted from this source document.

  3. 3.
    StructuralSource 3Molecular Therapy2015Claim 127

    Extracted from this source document.

  4. 4.
    StructuralSource 4Annual Review of Virology2014Claim 128Claim 129Claim 130

    Extracted from this source document.

  5. 5.
    StructuralSource 5Annual Review of Neuroscience2022Claim 80Claim 81Claim 82

    Extracted from this source document. Seeded from load plan for claim cl1.

  6. 6.
    StructuralSource 6Signal Transduction and Targeted Therapy2024Claim 71

    Seeded from load plan for claim cl1. Extracted from this source document.

  7. 7.

    Seeded from load plan for claim c2. Extracted from this source document.

  8. 8.

    Extracted from this source document.

  9. 9.

    Extracted from this source document. Seeded from load plan for claim c1.

  10. 10.

    Extracted from this source document.

  11. 11.

    Extracted from this source document.

  12. 12.
    StructuralSource 12MED2026Claim 23

    Extracted from this source document. Seeded from load plan for claim cl4.

  13. 13.

    Seeded from load plan for claim c4. Extracted from this source document.

  14. 14.

    Extracted from this source document.

  15. 15.
    StructuralSource 15MED2026Claim 12

    Extracted from this source document.

  16. 16.
    StructuralSource 16MED2026Claim 10Claim 17

    Extracted from this source document.

  17. 17.
    StructuralSource 17F1000Research2017Claim 93Claim 94Claim 95

    Extracted from this source document.

  18. 18.
    StructuralSource 18Journal of Neuroscience Research2020Claim 85Claim 86Claim 87

    Extracted from this source document. Seeded from load plan for claim cl1.

  19. 19.

    Extracted from this source document. Seeded from load plan for claim c5.

  20. 20.
    StructuralSource 20Harvard Review of Psychiatry2017Claim 90Claim 91Claim 92

    Extracted from this source document.

  21. 21.

    Extracted from this source document.

  22. 22.

    Extracted from this source document. Seeded from load plan for claim cl2.

  23. 23.
    StructuralSource 23Frontiers in Neural Circuits2022Claim 79Claim 83

    Extracted from this source document. Seeded from load plan for claim cl2.

  24. 24.
    StructuralSource 24Journal of Neurophysiology2016Claim 122Claim 123Claim 124

    Extracted from this source document. Seeded from load plan for claim c1.

  25. 25.

    Extracted from this source document.

  26. 26.

    Extracted from this source document.

  27. 27.

    Extracted from this source document.

  28. 28.

    Extracted from this source document.