First-pass extracted concept

gRNA regulation strategies based on chemical modifications of oligonucleotides

Candidate: concept label1 source documents4 linked claims

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Extracted Explainers

What the tool is doing

These strategies chemically modify oligonucleotides used for gRNA regulation to conditionally control CRISPR/Cas9 activity. The abstract states that they enable precise spatiotemporal and dose-dependent regulation.

Source 1DOI PubMed

Resources required

Implementation requires chemically modified oligonucleotides carrying conditional responsive elements such as photosensitive groups, small-molecule responsive units, or supramolecular structures.

Source 1DOI PubMed

What problem it solves

The approach addresses the challenge of controlling gene editing in specific cells and tissues while reducing risks such as off-target effects.

Source 1DOI PubMed

What it does not solve

The abstract notes that challenges remain for conditional control of gRNA, but does not specify that these strategies fully solve all clinical translation barriers.

Source 1DOI PubMed

Alternatives

The abstract contrasts multiple conditional responsive element classes within this broader strategy, including photosensitive groups, small-molecule responsive units, and supramolecular structures.

Source 1DOI PubMed

Evidence Snippets

This review provides a comprehensive overview of recent advancements in gRNA regulation strategies based on chemical modifications of oligonucleotides

Evidence 1Source 1DOI PubMedprovenance

Supporting Sources

Source 1primary paper2025MEDDOI PubMed

1 evidence snippet 4 linked claims Claim 1 Claim 2 Claim 3

Linked Claims

Claim 1application scopesupports2025Source 1DOI PubMed

gRNA regulation strategies based on chemical modifications of oligonucleotides are applied to improve the efficiency, specificity, and controllability of CRISPR/Cas9 editing.

Claim 2approach capabilitysupports2025Source 1DOI PubMed

Chemical modifications of oligonucleotides have been developed to enhance the precision, efficiency, and controllability of CRISPR/Cas9-mediated gene editing.

Claim 3challenge statementsupports2025Source 1DOI PubMed

Precise spatiotemporal control of CRISPR/Cas9 gene editing in specific cells and tissues, while mitigating off-target effects, remains a key challenge for clinical translation.

Claim 4functional effectsupports2025Source 1DOI PubMed

Conditional responsive elements introduced into chemically modified oligonucleotides have enabled precise spatiotemporal and dose-dependent regulation of CRISPR/Cas9 function.