Beyond the promise: evaluating and mitigating off-target effects in CRISPR gene editing for safer therapeutics

Over the last decade, CRISPR has revolutionized drug development due to its potential to cure genetic diseases that currently do not have any treatment. CRISPR was adapted from bacteria for gene editing in human cells in 2012 and, remarkably, only 11 years later has seen it’s very first approval as...

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Main Authors: Rui Lopes, Megana K. Prasad
Format: Article
Language:English
Published: Frontiers Media S.A. 2024-01-01
Series:Frontiers in Bioengineering and Biotechnology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fbioe.2023.1339189/full
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author Rui Lopes
Megana K. Prasad
author_facet Rui Lopes
Megana K. Prasad
author_sort Rui Lopes
collection DOAJ
description Over the last decade, CRISPR has revolutionized drug development due to its potential to cure genetic diseases that currently do not have any treatment. CRISPR was adapted from bacteria for gene editing in human cells in 2012 and, remarkably, only 11 years later has seen it’s very first approval as a medicine for the treatment of sickle cell disease and transfusion-dependent beta-thalassemia. However, the application of CRISPR systems is associated with unintended off-target and on-target alterations (including small indels, and structural variations such as translocations, inversions and large deletions), which are a source of risk for patients and a vital concern for the development of safe therapies. In recent years, a wide range of methods has been developed to detect unwanted effects of CRISPR-Cas nuclease activity. In this review, we summarize the different methods for off-target assessment, discuss their strengths and limitations, and highlight strategies to improve the safety of CRISPR systems. Finally, we discuss their relevance and application for the pre-clinical risk assessment of CRISPR therapeutics within the current regulatory context.
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spelling doaj.art-31d7687b67c049818f5981027fb454ca2024-02-08T13:17:34ZengFrontiers Media S.A.Frontiers in Bioengineering and Biotechnology2296-41852024-01-011110.3389/fbioe.2023.13391891339189Beyond the promise: evaluating and mitigating off-target effects in CRISPR gene editing for safer therapeuticsRui LopesMegana K. PrasadOver the last decade, CRISPR has revolutionized drug development due to its potential to cure genetic diseases that currently do not have any treatment. CRISPR was adapted from bacteria for gene editing in human cells in 2012 and, remarkably, only 11 years later has seen it’s very first approval as a medicine for the treatment of sickle cell disease and transfusion-dependent beta-thalassemia. However, the application of CRISPR systems is associated with unintended off-target and on-target alterations (including small indels, and structural variations such as translocations, inversions and large deletions), which are a source of risk for patients and a vital concern for the development of safe therapies. In recent years, a wide range of methods has been developed to detect unwanted effects of CRISPR-Cas nuclease activity. In this review, we summarize the different methods for off-target assessment, discuss their strengths and limitations, and highlight strategies to improve the safety of CRISPR systems. Finally, we discuss their relevance and application for the pre-clinical risk assessment of CRISPR therapeutics within the current regulatory context.https://www.frontiersin.org/articles/10.3389/fbioe.2023.1339189/fullgene editingCRISPR-Casoff-target activitysafetypre-clinical developmentregulatory guideline
spellingShingle Rui Lopes
Megana K. Prasad
Beyond the promise: evaluating and mitigating off-target effects in CRISPR gene editing for safer therapeutics
Frontiers in Bioengineering and Biotechnology
gene editing
CRISPR-Cas
off-target activity
safety
pre-clinical development
regulatory guideline
title Beyond the promise: evaluating and mitigating off-target effects in CRISPR gene editing for safer therapeutics
title_full Beyond the promise: evaluating and mitigating off-target effects in CRISPR gene editing for safer therapeutics
title_fullStr Beyond the promise: evaluating and mitigating off-target effects in CRISPR gene editing for safer therapeutics
title_full_unstemmed Beyond the promise: evaluating and mitigating off-target effects in CRISPR gene editing for safer therapeutics
title_short Beyond the promise: evaluating and mitigating off-target effects in CRISPR gene editing for safer therapeutics
title_sort beyond the promise evaluating and mitigating off target effects in crispr gene editing for safer therapeutics
topic gene editing
CRISPR-Cas
off-target activity
safety
pre-clinical development
regulatory guideline
url https://www.frontiersin.org/articles/10.3389/fbioe.2023.1339189/full
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