BioControl Toolkit DB

Summary

Recombinant adeno-associated virus (rAAV) vectors are viral gene delivery vehicles used for in vitro and in vivo transgene delivery, including in the retina. In the cited retinal ganglion cell study, rAAV supported motif-mediated subcellular targeting of optogenetic tools to shape expression patterns.

Usefulness & Problems

Why this is useful

rAAV is useful as a delivery harness for introducing genetic payloads in vitro and in vivo, with explicit evidence for retinal applications. The cited work further indicates that rAAV can be combined with protein targeting motifs to control subcellular localization of expressed optogenetic tools in retinal ganglion cells.

Source:

Recombinant adeno-associated virus (rAAV) vectors have proven to be a powerful vehicle for in vitro and in vivo gene delivery, including in the retina.

Problem solved

This tool helps solve the problem of delivering transgenes to cells and tissues, including the retina, using a viral vector platform. In the cited application, it addressed the need to target optogenetic proteins to specific subcellular compartments in retinal ganglion cells while reducing axonal expression and enabling center-surround receptive field design.

Problem links

We Can’t Safely and Controllably Deliver Complex Molecular Payloads to the Targets We Want in the Body

Gap mapView gap

rAAV vectors are directly relevant as an in-vivo gene delivery vehicle and the summary explicitly states use in vitro and in vivo, including retina. They are still only a weak link here because the gap specifically highlights limitations of current viral delivery systems, and the supplied evidence does not show a new solution to safety, control, or hard-target access.

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.

Mechanisms

motif-mediated subcellular targetingmotif-mediated subcellular targetingviral gene deliveryviral gene delivery

Techniques

No technique tags yet.

Target processes

No target processes tagged yet.

Implementation Constraints

cofactor dependency: requires exogenous cofactorencoding mode: externally suppliedimplementation constraint: context specific validationimplementation constraint: payload burdenoperating role: delivery

The evidence supports use of rAAV as a vector for retinal gene delivery and for expressing motif-fused optogenetic constructs in retinal ganglion cells. Beyond the fact that protein motif fusion was used to achieve subcellular targeting, the supplied material does not specify serotype, promoter, packaging design, production method, or delivery route.

The provided evidence is limited to general gene delivery utility and one retinal ganglion cell use case for motif-mediated targeting. No quantitative data on payload size, tropism, expression kinetics, dosing, safety, or comparative performance against other delivery systems are supplied here.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Source 1primary paper2013PLoS ONE

1 ranked citation 3 ranked claims Citation 1 Claim 1 Claim 2 Claim 3

Ranked Claims

Claim 1generalizabilitysupports2013Source 1needs review

rAAV motif-mediated protein targeting could be a valuable tool for studying physiological function and clinical applications in other areas of the central nervous system.

rAAV motif-mediated protein targeting could also be a valuable tool for studying physiological function and clinical applications in other areas of the central nervous system.

Claim 2suitabilitysupports2013Source 1needs review

The study identified two protein motifs suitable for rAAV-mediated subcellular targeting to generate center-surround receptive fields while reducing axonal expression in retinal ganglion cells.

In this study, we identified two protein motifs that are suitable for rAAV-mediated subcellular targeting for generating center-surround receptive fields while reducing the axonal expression in RGCs.

identified motif count 2

Claim 3utilitysupports2013Source 1needs review

rAAV vectors are a powerful vehicle for in vitro and in vivo gene delivery, including in the retina.

Recombinant adeno-associated virus (rAAV) vectors have proven to be a powerful vehicle for in vitro and in vivo gene delivery, including in the retina.

Approval Evidence

2 sources6 linked approval claimsfirst-pass slug recombinant-adeno-associated-virus-raav-vectors

rAAV vectors have emerged as promising vehicles for in vivo gene therapy due to their favorable safety profile, high tissue specificity, and ability to induce sustained transgene expression.

Source:

Recombinant adeno-associated virus (rAAV) vectors have proven to be a powerful vehicle for in vitro and in vivo gene delivery, including in the retina.

Source:

advantagesupports

rAAV vectors are promising vehicles for in vivo gene therapy because they have a favorable safety profile, high tissue specificity, and sustained transgene expression.

rAAV vectors have emerged as promising vehicles for in vivo gene therapy due to their favorable safety profile, high tissue specificity, and ability to induce sustained transgene expression.

Source:

limitationsupports

Limited rAAV packaging capacity is a major challenge for delivering large CRISPR molecules.

However, their limited packaging capacity has been a significant challenge for delivering large CRISPR molecules.

Source:

utilitysupports

Integration of CRISPR systems with rAAV vectors enables therapeutic in vivo genome editing with potential applications to genetic and non-genetic disorders.

The integration of CRISPR systems with recombinant adeno-associated virus (rAAV) vectors has opened new possibilities for therapeutic genome editing, offering potential treatments for both genetic and non-genetic disorders.

Source:

generalizabilitysupports

rAAV motif-mediated protein targeting could be a valuable tool for studying physiological function and clinical applications in other areas of the central nervous system.

rAAV motif-mediated protein targeting could also be a valuable tool for studying physiological function and clinical applications in other areas of the central nervous system.

Source:

suitabilitysupports

The study identified two protein motifs suitable for rAAV-mediated subcellular targeting to generate center-surround receptive fields while reducing axonal expression in retinal ganglion cells.

In this study, we identified two protein motifs that are suitable for rAAV-mediated subcellular targeting for generating center-surround receptive fields while reducing the axonal expression in RGCs.

Source:

utilitysupports

rAAV vectors are a powerful vehicle for in vitro and in vivo gene delivery, including in the retina.

Recombinant adeno-associated virus (rAAV) vectors have proven to be a powerful vehicle for in vitro and in vivo gene delivery, including in the retina.

Source:

Comparisons

Source-backed strengths

The supplied evidence describes rAAV vectors as a powerful vehicle for both in vitro and in vivo gene delivery, indicating broad utility across experimental contexts. In the cited study, rAAV-mediated motif targeting identified two suitable protein motifs for subcellular targeting in retinal ganglion cells and was proposed as potentially generalizable to other central nervous system applications.

Compared with AAV-based viral vectors

recombinant adeno-associated virus (rAAV) vectors and AAV-based viral vectors address a similar problem space.

Shared frame: same top-level item type; shared mechanisms: viral gene delivery

Relative tradeoffs: may avoid an exogenous cofactor requirement.

Compared with adenoviral infection

recombinant adeno-associated virus (rAAV) vectors and adenoviral infection address a similar problem space.

Shared frame: same top-level item type; shared mechanisms: viral gene delivery

Relative tradeoffs: may avoid an exogenous cofactor requirement.

Compared with recombinant AAV1/2 viral particles

recombinant adeno-associated virus (rAAV) vectors and recombinant AAV1/2 viral particles address a similar problem space.

Shared frame: same top-level item type; shared mechanisms: viral gene delivery

Relative tradeoffs: may avoid an exogenous cofactor requirement.

Ranked Citations

1.
FoundationalSource 1PLoS ONE2013Claim 1 Claim 2 Claim 3
Derived from 3 linked claims. Example evidence: rAAV motif-mediated protein targeting could also be a valuable tool for studying physiological function and clinical applications in other areas of the central nervous system.