Toolkit/OptoHEAL

OptoHEAL

Multi-Component Switch·Research·Since 2026

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

Summary

OptoHEAL is described as a red-light-inducible version of the HEAL CRISPR activation platform for remote and precise transcriptional control. HEAL is a compact dCas12f-based CRISPRa architecture that activates transcription by recruiting transactivators through MS2 coat protein binding to MS2 aptamers embedded in the sgRNA scaffold.

Usefulness & Problems

Why this is useful

This tool is useful for programmable transcriptional activation in contexts where a compact CRISPRa architecture is advantageous. Its stated red-light inducibility suggests potential for remote temporal control, but the supplied evidence only directly supports the underlying HEAL recruitment architecture and comparative performance.

Source:

AAV-delivered HEAL targeting interleukin 10 alleviates acute kidney injury in mice.

Source:

ChemHEAL-mediated activation of thymic stromal lymphopoietin reduces body weight in obese mice.

Source:

HEAL is a high-efficiency dCas12f-based CRISPRa system for endogenous gene activation.

Source:

ChemHEAL is a small-molecule-inducible HEAL variant for remote and precise transcriptional control.

Problem solved

The underlying HEAL system addresses the need for a compact CRISPRa platform for programmable in vivo gene activation. OptoHEAL is described as extending this platform toward inducible control, but the supplied evidence does not detail how the red-light response is implemented.

Source:

AAV-delivered HEAL targeting interleukin 10 alleviates acute kidney injury in mice.

Source:

ChemHEAL-mediated activation of thymic stromal lymphopoietin reduces body weight in obese mice.

Problem links

Need tighter control over gene expression timing or amplitude

Derived

OptoHEAL is described as a red-light-inducible version of the HEAL CRISPR activation platform for remote and precise transcriptional control. The underlying HEAL system is a compact dCas12f-based CRISPRa architecture that recruits transactivators through MS2 coat protein binding to MS2 aptamers embedded in the sgRNA scaffold.

Taxonomy & Function

Primary hierarchy

Mechanism Branch

Architecture: A composed arrangement of multiple parts that instantiates one or more mechanisms.

Techniques

No technique tags yet.

Target processes

transcription

Implementation Constraints

cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationimplementation constraint: multi component delivery burdenimplementation constraint: payload burdeninducible: Trueinduction modality: red lightoperating role: regulatorswitch architecture: multi componentswitch architecture: recruitment

The underlying HEAL architecture uses dCas12f together with sgRNAs containing embedded MS2 aptamers and transactivator recruitment via MS2 coat protein. No additional construct design, photoreceptor components, cofactors, delivery strategy, or expression-system details for OptoHEAL are provided in the supplied evidence.

The supplied evidence does not provide direct experimental details for OptoHEAL itself beyond its description as red-light inducible. No specific wavelengths, dynamic range, kinetics, target genes, organismal systems, or independent replication data are provided here.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1benchmark comparisonsupports2026Source 1needs review

HEAL outperforms existing CRISPRa systems in vitro and in vivo.

Claim 2benchmark comparisonsupports2026Source 1needs review

HEAL outperforms existing CRISPRa systems in vitro and in vivo.

Claim 3benchmark comparisonsupports2026Source 1needs review

HEAL outperforms existing CRISPRa systems in vitro and in vivo.

Claim 4benchmark comparisonsupports2026Source 1needs review

HEAL outperforms existing CRISPRa systems in vitro and in vivo.

Claim 5benchmark comparisonsupports2026Source 1needs review

HEAL outperforms existing CRISPRa systems in vitro and in vivo.

Claim 6benchmark comparisonsupports2026Source 1needs review

HEAL outperforms existing CRISPRa systems in vitro and in vivo.

Claim 7benchmark comparisonsupports2026Source 1needs review

HEAL outperforms existing CRISPRa systems in vitro and in vivo.

Claim 8benchmark comparisonsupports2026Source 1needs review

HEAL outperforms existing CRISPRa systems in vitro and in vivo.

Claim 9benchmark comparisonsupports2026Source 1needs review

HEAL outperforms existing CRISPRa systems in vitro and in vivo.

Claim 10benchmark comparisonsupports2026Source 1needs review

HEAL outperforms existing CRISPRa systems in vitro and in vivo.

Claim 11benchmark comparisonsupports2026Source 1needs review

HEAL outperforms existing CRISPRa systems in vitro and in vivo.

Claim 12benchmark comparisonsupports2026Source 1needs review

HEAL outperforms existing CRISPRa systems in vitro and in vivo.

Claim 13benchmark comparisonsupports2026Source 1needs review

HEAL outperforms existing CRISPRa systems in vitro and in vivo.

Claim 14benchmark comparisonsupports2026Source 1needs review

HEAL outperforms existing CRISPRa systems in vitro and in vivo.

Claim 15benchmark comparisonsupports2026Source 1needs review

HEAL outperforms existing CRISPRa systems in vitro and in vivo.

Claim 16mechanismsupports2026Source 1needs review

HEAL recruits transactivators through MS2 coat protein binding to MS2 aptamers embedded within the sgRNA scaffold.

Claim 17mechanismsupports2026Source 1needs review

HEAL recruits transactivators through MS2 coat protein binding to MS2 aptamers embedded within the sgRNA scaffold.

Claim 18mechanismsupports2026Source 1needs review

HEAL recruits transactivators through MS2 coat protein binding to MS2 aptamers embedded within the sgRNA scaffold.

Claim 19mechanismsupports2026Source 1needs review

HEAL recruits transactivators through MS2 coat protein binding to MS2 aptamers embedded within the sgRNA scaffold.

Claim 20mechanismsupports2026Source 1needs review

HEAL recruits transactivators through MS2 coat protein binding to MS2 aptamers embedded within the sgRNA scaffold.

Claim 21mechanismsupports2026Source 1needs review

HEAL recruits transactivators through MS2 coat protein binding to MS2 aptamers embedded within the sgRNA scaffold.

Claim 22mechanismsupports2026Source 1needs review

HEAL recruits transactivators through MS2 coat protein binding to MS2 aptamers embedded within the sgRNA scaffold.

Claim 23mechanismsupports2026Source 1needs review

HEAL recruits transactivators through MS2 coat protein binding to MS2 aptamers embedded within the sgRNA scaffold.

Claim 24mechanismsupports2026Source 1needs review

HEAL recruits transactivators through MS2 coat protein binding to MS2 aptamers embedded within the sgRNA scaffold.

Claim 25mechanismsupports2026Source 1needs review

HEAL recruits transactivators through MS2 coat protein binding to MS2 aptamers embedded within the sgRNA scaffold.

Claim 26mechanismsupports2026Source 1needs review

HEAL recruits transactivators through MS2 coat protein binding to MS2 aptamers embedded within the sgRNA scaffold.

Claim 27mechanismsupports2026Source 1needs review

HEAL recruits transactivators through MS2 coat protein binding to MS2 aptamers embedded within the sgRNA scaffold.

Claim 28mechanismsupports2026Source 1needs review

HEAL recruits transactivators through MS2 coat protein binding to MS2 aptamers embedded within the sgRNA scaffold.

Claim 29mechanismsupports2026Source 1needs review

HEAL recruits transactivators through MS2 coat protein binding to MS2 aptamers embedded within the sgRNA scaffold.

Claim 30mechanismsupports2026Source 1needs review

HEAL recruits transactivators through MS2 coat protein binding to MS2 aptamers embedded within the sgRNA scaffold.

Claim 31performancesupports2026Source 1needs review

HEAL induces over 100,000-fold activation of endogenous genes.

gene activation fold change 100000
Claim 32performancesupports2026Source 1needs review

HEAL induces over 100,000-fold activation of endogenous genes.

gene activation fold change 100000
Claim 33performancesupports2026Source 1needs review

HEAL induces over 100,000-fold activation of endogenous genes.

gene activation fold change 100000
Claim 34performancesupports2026Source 1needs review

HEAL induces over 100,000-fold activation of endogenous genes.

gene activation fold change 100000
Claim 35performancesupports2026Source 1needs review

HEAL induces over 100,000-fold activation of endogenous genes.

gene activation fold change 100000
Claim 36performancesupports2026Source 1needs review

HEAL induces over 100,000-fold activation of endogenous genes.

gene activation fold change 100000
Claim 37performancesupports2026Source 1needs review

HEAL induces over 100,000-fold activation of endogenous genes.

gene activation fold change 100000
Claim 38performancesupports2026Source 1needs review

HEAL induces over 100,000-fold activation of endogenous genes.

gene activation fold change 100000
Claim 39performancesupports2026Source 1needs review

HEAL induces over 100,000-fold activation of endogenous genes.

gene activation fold change 100000
Claim 40performancesupports2026Source 1needs review

HEAL induces over 100,000-fold activation of endogenous genes.

gene activation fold change 100000
Claim 41performancesupports2026Source 1needs review

HEAL induces over 100,000-fold activation of endogenous genes.

gene activation fold change 100000
Claim 42performancesupports2026Source 1needs review

HEAL induces over 100,000-fold activation of endogenous genes.

gene activation fold change 100000
Claim 43performancesupports2026Source 1needs review

HEAL induces over 100,000-fold activation of endogenous genes.

gene activation fold change 100000
Claim 44performancesupports2026Source 1needs review

HEAL induces over 100,000-fold activation of endogenous genes.

gene activation fold change 100000
Claim 45performancesupports2026Source 1needs review

HEAL induces over 100,000-fold activation of endogenous genes.

gene activation fold change 100000
Claim 46therapeutic applicationsupports2026Source 1needs review

AAV-delivered HEAL targeting interleukin 10 alleviates acute kidney injury in mice.

Claim 47therapeutic applicationsupports2026Source 1needs review

AAV-delivered HEAL targeting interleukin 10 alleviates acute kidney injury in mice.

Claim 48therapeutic applicationsupports2026Source 1needs review

AAV-delivered HEAL targeting interleukin 10 alleviates acute kidney injury in mice.

Claim 49therapeutic applicationsupports2026Source 1needs review

AAV-delivered HEAL targeting interleukin 10 alleviates acute kidney injury in mice.

Claim 50therapeutic applicationsupports2026Source 1needs review

AAV-delivered HEAL targeting interleukin 10 alleviates acute kidney injury in mice.

Claim 51therapeutic applicationsupports2026Source 1needs review

AAV-delivered HEAL targeting interleukin 10 alleviates acute kidney injury in mice.

Claim 52therapeutic applicationsupports2026Source 1needs review

AAV-delivered HEAL targeting interleukin 10 alleviates acute kidney injury in mice.

Claim 53therapeutic applicationsupports2026Source 1needs review

AAV-delivered HEAL targeting interleukin 10 alleviates acute kidney injury in mice.

Claim 54therapeutic applicationsupports2026Source 1needs review

AAV-delivered HEAL targeting interleukin 10 alleviates acute kidney injury in mice.

Claim 55therapeutic applicationsupports2026Source 1needs review

AAV-delivered HEAL targeting interleukin 10 alleviates acute kidney injury in mice.

Claim 56therapeutic applicationsupports2026Source 1needs review

AAV-delivered HEAL targeting interleukin 10 alleviates acute kidney injury in mice.

Claim 57therapeutic applicationsupports2026Source 1needs review

AAV-delivered HEAL targeting interleukin 10 alleviates acute kidney injury in mice.

Claim 58therapeutic applicationsupports2026Source 1needs review

AAV-delivered HEAL targeting interleukin 10 alleviates acute kidney injury in mice.

Claim 59therapeutic applicationsupports2026Source 1needs review

AAV-delivered HEAL targeting interleukin 10 alleviates acute kidney injury in mice.

Claim 60therapeutic applicationsupports2026Source 1needs review

AAV-delivered HEAL targeting interleukin 10 alleviates acute kidney injury in mice.

Claim 61therapeutic applicationsupports2026Source 1needs review

ChemHEAL-mediated activation of thymic stromal lymphopoietin reduces body weight in obese mice.

Claim 62therapeutic applicationsupports2026Source 1needs review

ChemHEAL-mediated activation of thymic stromal lymphopoietin reduces body weight in obese mice.

Claim 63therapeutic applicationsupports2026Source 1needs review

ChemHEAL-mediated activation of thymic stromal lymphopoietin reduces body weight in obese mice.

Claim 64therapeutic applicationsupports2026Source 1needs review

ChemHEAL-mediated activation of thymic stromal lymphopoietin reduces body weight in obese mice.

Claim 65therapeutic applicationsupports2026Source 1needs review

ChemHEAL-mediated activation of thymic stromal lymphopoietin reduces body weight in obese mice.

Claim 66therapeutic applicationsupports2026Source 1needs review

ChemHEAL-mediated activation of thymic stromal lymphopoietin reduces body weight in obese mice.

Claim 67therapeutic applicationsupports2026Source 1needs review

ChemHEAL-mediated activation of thymic stromal lymphopoietin reduces body weight in obese mice.

Claim 68therapeutic applicationsupports2026Source 1needs review

ChemHEAL-mediated activation of thymic stromal lymphopoietin reduces body weight in obese mice.

Claim 69therapeutic applicationsupports2026Source 1needs review

ChemHEAL-mediated activation of thymic stromal lymphopoietin reduces body weight in obese mice.

Claim 70therapeutic applicationsupports2026Source 1needs review

ChemHEAL-mediated activation of thymic stromal lymphopoietin reduces body weight in obese mice.

Claim 71therapeutic applicationsupports2026Source 1needs review

ChemHEAL-mediated activation of thymic stromal lymphopoietin reduces body weight in obese mice.

Claim 72therapeutic applicationsupports2026Source 1needs review

ChemHEAL-mediated activation of thymic stromal lymphopoietin reduces body weight in obese mice.

Claim 73therapeutic applicationsupports2026Source 1needs review

ChemHEAL-mediated activation of thymic stromal lymphopoietin reduces body weight in obese mice.

Claim 74therapeutic applicationsupports2026Source 1needs review

ChemHEAL-mediated activation of thymic stromal lymphopoietin reduces body weight in obese mice.

Claim 75therapeutic applicationsupports2026Source 1needs review

ChemHEAL-mediated activation of thymic stromal lymphopoietin reduces body weight in obese mice.

Claim 76tool introductionsupports2026Source 1needs review

HEAL is a high-efficiency dCas12f-based CRISPRa system for endogenous gene activation.

Claim 77tool introductionsupports2026Source 1needs review

HEAL is a high-efficiency dCas12f-based CRISPRa system for endogenous gene activation.

Claim 78tool introductionsupports2026Source 1needs review

HEAL is a high-efficiency dCas12f-based CRISPRa system for endogenous gene activation.

Claim 79tool introductionsupports2026Source 1needs review

HEAL is a high-efficiency dCas12f-based CRISPRa system for endogenous gene activation.

Claim 80tool introductionsupports2026Source 1needs review

HEAL is a high-efficiency dCas12f-based CRISPRa system for endogenous gene activation.

Claim 81tool introductionsupports2026Source 1needs review

HEAL is a high-efficiency dCas12f-based CRISPRa system for endogenous gene activation.

Claim 82tool introductionsupports2026Source 1needs review

HEAL is a high-efficiency dCas12f-based CRISPRa system for endogenous gene activation.

Claim 83tool introductionsupports2026Source 1needs review

HEAL is a high-efficiency dCas12f-based CRISPRa system for endogenous gene activation.

Claim 84tool introductionsupports2026Source 1needs review

HEAL is a high-efficiency dCas12f-based CRISPRa system for endogenous gene activation.

Claim 85tool introductionsupports2026Source 1needs review

HEAL is a high-efficiency dCas12f-based CRISPRa system for endogenous gene activation.

Claim 86tool introductionsupports2026Source 1needs review

HEAL is a high-efficiency dCas12f-based CRISPRa system for endogenous gene activation.

Claim 87tool introductionsupports2026Source 1needs review

HEAL is a high-efficiency dCas12f-based CRISPRa system for endogenous gene activation.

Claim 88tool introductionsupports2026Source 1needs review

HEAL is a high-efficiency dCas12f-based CRISPRa system for endogenous gene activation.

Claim 89tool introductionsupports2026Source 1needs review

HEAL is a high-efficiency dCas12f-based CRISPRa system for endogenous gene activation.

Claim 90tool introductionsupports2026Source 1needs review

HEAL is a high-efficiency dCas12f-based CRISPRa system for endogenous gene activation.

Claim 91tool variantsupports2026Source 1needs review

ChemHEAL is a small-molecule-inducible HEAL variant for remote and precise transcriptional control.

Claim 92tool variantsupports2026Source 1needs review

ChemHEAL is a small-molecule-inducible HEAL variant for remote and precise transcriptional control.

Claim 93tool variantsupports2026Source 1needs review

ChemHEAL is a small-molecule-inducible HEAL variant for remote and precise transcriptional control.

Claim 94tool variantsupports2026Source 1needs review

ChemHEAL is a small-molecule-inducible HEAL variant for remote and precise transcriptional control.

Claim 95tool variantsupports2026Source 1needs review

ChemHEAL is a small-molecule-inducible HEAL variant for remote and precise transcriptional control.

Claim 96tool variantsupports2026Source 1needs review

ChemHEAL is a small-molecule-inducible HEAL variant for remote and precise transcriptional control.

Claim 97tool variantsupports2026Source 1needs review

ChemHEAL is a small-molecule-inducible HEAL variant for remote and precise transcriptional control.

Claim 98tool variantsupports2026Source 1needs review

ChemHEAL is a small-molecule-inducible HEAL variant for remote and precise transcriptional control.

Claim 99tool variantsupports2026Source 1needs review

ChemHEAL is a small-molecule-inducible HEAL variant for remote and precise transcriptional control.

Claim 100tool variantsupports2026Source 1needs review

ChemHEAL is a small-molecule-inducible HEAL variant for remote and precise transcriptional control.

Claim 101tool variantsupports2026Source 1needs review

ChemHEAL is a small-molecule-inducible HEAL variant for remote and precise transcriptional control.

Claim 102tool variantsupports2026Source 1needs review

ChemHEAL is a small-molecule-inducible HEAL variant for remote and precise transcriptional control.

Claim 103tool variantsupports2026Source 1needs review

ChemHEAL is a small-molecule-inducible HEAL variant for remote and precise transcriptional control.

Claim 104tool variantsupports2026Source 1needs review

ChemHEAL is a small-molecule-inducible HEAL variant for remote and precise transcriptional control.

Claim 105tool variantsupports2026Source 1needs review

ChemHEAL is a small-molecule-inducible HEAL variant for remote and precise transcriptional control.

Claim 106tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 107tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 108tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 109tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 110tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 111tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 112tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 113tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 114tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 115tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 116tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 117tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 118tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 119tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 120tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 121tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 122tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 123tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 124tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 125tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 126tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 127tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Claim 128tool variantsupports2026Source 1needs review

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Approval Evidence

1 source1 linked approval claimfirst-pass slug optoheal
We further develop red-light-inducible OptoHEAL ... for remote and precise transcriptional control.

Source:

tool variantsupports

OptoHEAL is a red-light-inducible HEAL variant for remote and precise transcriptional control.

Source:

Comparisons

Source-backed strengths

According to the cited source, HEAL outperforms existing CRISPRa systems in vitro and in vivo. The platform is also described as compact and based on dCas12f, with transactivator recruitment mediated through engineered sgRNA-associated MS2 aptamers.

Source:

HEAL induces over 100,000-fold activation of endogenous genes.

Compared with opto-PKR

OptoHEAL and opto-PKR address a similar problem space because they share transcription.

Shared frame: same top-level item type; shared target processes: transcription

Strengths here: looks easier to implement in practice.

OptoHEAL and PmeR-OPmeR paraben-responsive mammalian transcription-control devices address a similar problem space because they share transcription.

Shared frame: same top-level item type; shared target processes: transcription

OptoHEAL and Set2-LANS optogenetic switch address a similar problem space because they share transcription.

Shared frame: same top-level item type; shared target processes: transcription

Relative tradeoffs: appears more independently replicated.

Ranked Citations

  1. 1.

    Extracted from this source document.