Enhancing Specificity, Precision, Accessibility, Flexibility, and Safety to Overcome Traditional CRISPR/Cas Editing Challenges and Shape Future Innovations

Abstract Derived from the bacterial immune system, CRISPR/Cas9 induces DSBs at specific DNA sequences, which are repaired by the cell's endogenous mechanisms, leading to gene insertions, deletions, or substitutions. Despite its transformative potential, several challenges remain in optimizing o...

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Main Authors: Muna Alariqi, Mohamed Ramadan, Lu Yu, Fengjiao Hui, Amjad Hussain, Xiaofeng Zhou, Yu Yu, Xianlong Zhang, Shuangxia Jin
Format: Article
Language:English
Published: Wiley 2025-07-01
Series:Advanced Science
Subjects:
Online Access:https://doi.org/10.1002/advs.202416331
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author Muna Alariqi
Mohamed Ramadan
Lu Yu
Fengjiao Hui
Amjad Hussain
Xiaofeng Zhou
Yu Yu
Xianlong Zhang
Shuangxia Jin
author_facet Muna Alariqi
Mohamed Ramadan
Lu Yu
Fengjiao Hui
Amjad Hussain
Xiaofeng Zhou
Yu Yu
Xianlong Zhang
Shuangxia Jin
author_sort Muna Alariqi
collection DOAJ
description Abstract Derived from the bacterial immune system, CRISPR/Cas9 induces DSBs at specific DNA sequences, which are repaired by the cell's endogenous mechanisms, leading to gene insertions, deletions, or substitutions. Despite its transformative potential, several challenges remain in optimizing of CRISPR/Cas systems, including off‐target effects, delivery methods, PAM restrictions, and the limitations of traditional editing approaches. This review focuses on the interplay between these challenges and their contributions to gene editing precision, specificity, accessibility, flexibility, and safety. How reducing off‐target effects enhances specificity and safety is explored, while discussing the role of HDR‐based editing in achieving precise gene modifications, alongside alternative methods such as base editing and prime editing. Improved delivery mechanisms are examined for their impact on accessibility and efficiency, while the reduction of PAM restrictions is highlighted for its contributions to flexibility. Lastly, emerging cleavage‐free editing technologies are evaluated as they relate to safety and accessibility. This focused review aims to clarify the connections among these aspects and outline future research directions for advancing CRISPR‐based applications.
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institution Matheson Library
issn 2198-3844
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publishDate 2025-07-01
publisher Wiley
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spelling doaj-art-4b64b6ee7b094b38b7330cf8e0510f302025-07-24T12:06:18ZengWileyAdvanced Science2198-38442025-07-011228n/an/a10.1002/advs.202416331Enhancing Specificity, Precision, Accessibility, Flexibility, and Safety to Overcome Traditional CRISPR/Cas Editing Challenges and Shape Future InnovationsMuna Alariqi0Mohamed Ramadan1Lu Yu2Fengjiao Hui3Amjad Hussain4Xiaofeng Zhou5Yu Yu6Xianlong Zhang7Shuangxia Jin8Hubei Hongshan Laboratory National Key Laboratory of Crop Genetic Improvement Huazhong Agricultural University Wuhan 430070 ChinaDepartment of Plant Genetic Resources Division of Ecology and Dry Land Agriculture Desert Research Center Cairo EgyptHubei Hongshan Laboratory National Key Laboratory of Crop Genetic Improvement Huazhong Agricultural University Wuhan 430070 ChinaHubei Hongshan Laboratory National Key Laboratory of Crop Genetic Improvement Huazhong Agricultural University Wuhan 430070 ChinaHubei Hongshan Laboratory National Key Laboratory of Crop Genetic Improvement Huazhong Agricultural University Wuhan 430070 ChinaCotton Research Institute Xinjiang Academy of Agriculture and Reclamation Science Shihezi Xinjiang 832000 ChinaCotton Research Institute Xinjiang Academy of Agriculture and Reclamation Science Shihezi Xinjiang 832000 ChinaHubei Hongshan Laboratory National Key Laboratory of Crop Genetic Improvement Huazhong Agricultural University Wuhan 430070 ChinaHubei Hongshan Laboratory National Key Laboratory of Crop Genetic Improvement Huazhong Agricultural University Wuhan 430070 ChinaAbstract Derived from the bacterial immune system, CRISPR/Cas9 induces DSBs at specific DNA sequences, which are repaired by the cell's endogenous mechanisms, leading to gene insertions, deletions, or substitutions. Despite its transformative potential, several challenges remain in optimizing of CRISPR/Cas systems, including off‐target effects, delivery methods, PAM restrictions, and the limitations of traditional editing approaches. This review focuses on the interplay between these challenges and their contributions to gene editing precision, specificity, accessibility, flexibility, and safety. How reducing off‐target effects enhances specificity and safety is explored, while discussing the role of HDR‐based editing in achieving precise gene modifications, alongside alternative methods such as base editing and prime editing. Improved delivery mechanisms are examined for their impact on accessibility and efficiency, while the reduction of PAM restrictions is highlighted for its contributions to flexibility. Lastly, emerging cleavage‐free editing technologies are evaluated as they relate to safety and accessibility. This focused review aims to clarify the connections among these aspects and outline future research directions for advancing CRISPR‐based applications.https://doi.org/10.1002/advs.202416331CRISPR/Casdelivery systemsdouble‐stranded breaksgenome editingHDRoff‐target
spellingShingle Muna Alariqi
Mohamed Ramadan
Lu Yu
Fengjiao Hui
Amjad Hussain
Xiaofeng Zhou
Yu Yu
Xianlong Zhang
Shuangxia Jin
Enhancing Specificity, Precision, Accessibility, Flexibility, and Safety to Overcome Traditional CRISPR/Cas Editing Challenges and Shape Future Innovations
Advanced Science
CRISPR/Cas
delivery systems
double‐stranded breaks
genome editing
HDR
off‐target
title Enhancing Specificity, Precision, Accessibility, Flexibility, and Safety to Overcome Traditional CRISPR/Cas Editing Challenges and Shape Future Innovations
title_full Enhancing Specificity, Precision, Accessibility, Flexibility, and Safety to Overcome Traditional CRISPR/Cas Editing Challenges and Shape Future Innovations
title_fullStr Enhancing Specificity, Precision, Accessibility, Flexibility, and Safety to Overcome Traditional CRISPR/Cas Editing Challenges and Shape Future Innovations
title_full_unstemmed Enhancing Specificity, Precision, Accessibility, Flexibility, and Safety to Overcome Traditional CRISPR/Cas Editing Challenges and Shape Future Innovations
title_short Enhancing Specificity, Precision, Accessibility, Flexibility, and Safety to Overcome Traditional CRISPR/Cas Editing Challenges and Shape Future Innovations
title_sort enhancing specificity precision accessibility flexibility and safety to overcome traditional crispr cas editing challenges and shape future innovations
topic CRISPR/Cas
delivery systems
double‐stranded breaks
genome editing
HDR
off‐target
url https://doi.org/10.1002/advs.202416331
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