Latest Developed Strategies to Minimize the Off-Target Effects in CRISPR-Cas-Mediated Genome Editing

Gene editing that makes target gene modification in the genome by deletion or addition has revolutionized the era of biomedicine. Clustered regularly interspaced short palindromic repeats (CRISPR)/Cas9 emerged as a substantial tool due to its simplicity in use, less cost and extraordinary efficiency...

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Main Authors: Muhammad Naeem, Saman Majeed, Mubasher Zahir Hoque, Irshad Ahmad
Format: Article
Language:English
Published: MDPI AG 2020-07-01
Series:Cells
Subjects:
Online Access:https://www.mdpi.com/2073-4409/9/7/1608
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author Muhammad Naeem
Saman Majeed
Mubasher Zahir Hoque
Irshad Ahmad
author_facet Muhammad Naeem
Saman Majeed
Mubasher Zahir Hoque
Irshad Ahmad
author_sort Muhammad Naeem
collection DOAJ
description Gene editing that makes target gene modification in the genome by deletion or addition has revolutionized the era of biomedicine. Clustered regularly interspaced short palindromic repeats (CRISPR)/Cas9 emerged as a substantial tool due to its simplicity in use, less cost and extraordinary efficiency than the conventional gene-editing tools, including zinc finger nucleases (ZFNs) and Transcription activator-like effector nucleases (TALENs). However, potential off-target activities are crucial shortcomings in the CRISPR system. Numerous types of approaches have been developed to reduce off-target effects. Here, we review several latest approaches to reduce the off-target effects, including biased or unbiased off-target detection, cytosine or adenine base editors, prime editing, dCas9, Cas9 paired nickase, ribonucleoprotein (RNP) delivery and truncated gRNAs. This review article provides extensive information to cautiously interpret off-target effects to assist the basic and clinical applications in biomedicine.
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spelling doaj.art-e59067eea2374209a6f6273ed59540752023-11-20T05:42:51ZengMDPI AGCells2073-44092020-07-0197160810.3390/cells9071608Latest Developed Strategies to Minimize the Off-Target Effects in CRISPR-Cas-Mediated Genome EditingMuhammad Naeem0Saman Majeed1Mubasher Zahir Hoque2Irshad Ahmad3Department of Life Sciences, King Fahd University of Petroleum and Minerals (KFUPM), Dhahran 31261, Saudi ArabiaDepartment of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409, USADepartment of Life Sciences, King Fahd University of Petroleum and Minerals (KFUPM), Dhahran 31261, Saudi ArabiaDepartment of Life Sciences, King Fahd University of Petroleum and Minerals (KFUPM), Dhahran 31261, Saudi ArabiaGene editing that makes target gene modification in the genome by deletion or addition has revolutionized the era of biomedicine. Clustered regularly interspaced short palindromic repeats (CRISPR)/Cas9 emerged as a substantial tool due to its simplicity in use, less cost and extraordinary efficiency than the conventional gene-editing tools, including zinc finger nucleases (ZFNs) and Transcription activator-like effector nucleases (TALENs). However, potential off-target activities are crucial shortcomings in the CRISPR system. Numerous types of approaches have been developed to reduce off-target effects. Here, we review several latest approaches to reduce the off-target effects, including biased or unbiased off-target detection, cytosine or adenine base editors, prime editing, dCas9, Cas9 paired nickase, ribonucleoprotein (RNP) delivery and truncated gRNAs. This review article provides extensive information to cautiously interpret off-target effects to assist the basic and clinical applications in biomedicine.https://www.mdpi.com/2073-4409/9/7/1608CRISPR/Cas9gene targetingtargeting specificityhomology dependent repairbase editorsnon-homologous end joining repair pathway
spellingShingle Muhammad Naeem
Saman Majeed
Mubasher Zahir Hoque
Irshad Ahmad
Latest Developed Strategies to Minimize the Off-Target Effects in CRISPR-Cas-Mediated Genome Editing
Cells
CRISPR/Cas9
gene targeting
targeting specificity
homology dependent repair
base editors
non-homologous end joining repair pathway
title Latest Developed Strategies to Minimize the Off-Target Effects in CRISPR-Cas-Mediated Genome Editing
title_full Latest Developed Strategies to Minimize the Off-Target Effects in CRISPR-Cas-Mediated Genome Editing
title_fullStr Latest Developed Strategies to Minimize the Off-Target Effects in CRISPR-Cas-Mediated Genome Editing
title_full_unstemmed Latest Developed Strategies to Minimize the Off-Target Effects in CRISPR-Cas-Mediated Genome Editing
title_short Latest Developed Strategies to Minimize the Off-Target Effects in CRISPR-Cas-Mediated Genome Editing
title_sort latest developed strategies to minimize the off target effects in crispr cas mediated genome editing
topic CRISPR/Cas9
gene targeting
targeting specificity
homology dependent repair
base editors
non-homologous end joining repair pathway
url https://www.mdpi.com/2073-4409/9/7/1608
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AT samanmajeed latestdevelopedstrategiestominimizetheofftargeteffectsincrisprcasmediatedgenomeediting
AT mubasherzahirhoque latestdevelopedstrategiestominimizetheofftargeteffectsincrisprcasmediatedgenomeediting
AT irshadahmad latestdevelopedstrategiestominimizetheofftargeteffectsincrisprcasmediatedgenomeediting