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Detection and analysis of genome integration sites in cell and gene therapy product evaluation
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Zhen-dong LI1, Zhen-peng ZHONG1, Feng-qing DONG1, Mei-ting LIAN1, Xiang-xiang PENG1, Guo-zhen ZHU1, Yi-fei CHEN2a, Gang LI2b, Qi-kuan HUANG1
Chinese Journal of Clinical Pharmacology | 2025, 41(7) : 1013 - 1019
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Chinese Journal of Clinical Pharmacology | 2025, 41(7): 1013-1019
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Detection and analysis of genome integration sites in cell and gene therapy product evaluation
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Zhen-dong LI1, Zhen-peng ZHONG1, Feng-qing DONG1, Mei-ting LIAN1, Xiang-xiang PENG1, Guo-zhen ZHU1, Yi-fei CHEN2a, Gang LI2b, Qi-kuan HUANG1
Affiliations
  • 1.Accurant BioTechnology Co., Ltd. (Shanghai), Shanghai 200120, China
  • 2a.Innovation and Regulatory Science Development Department, Shanghai Center for Drug Evaluation and Inspection, Shanghai 201203, China
  • 2b.Department of GCP and GLP Inspection, Shanghai Center for Drug Evaluation and Inspection, Shanghai 201203, China
Published: 2025-04-17 doi: 10.13699/j.cnki.1001-6821.2025.07.021
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Whether in vivo gene therapy products or in vitro gene-modified cell therapy products, the risk of gene insertion and mutation of integration in the gene modification safety evaluation are all key contents of concern. With the development of high-throughput sequencing and bioinformatics analysis technology, integrated site detection and analysis have been able to provide important information for understanding and judging risk. However, the safety prediction has not been achieved ideally. One of the core challenges is the methodological development of integration sites detection. On the one hand, it is the technical limitation of the assays, on the other hand, there is no public technical standard for the assays. In this paper, the commercial integration site detection technologies in safety evaluation of cell and gene therapy products are introduced. The challenges and future solutions are also discussed.

gene insertion  /  genome integration  /  bioanalysis  /  bioinformatic analysis
Zhen-dong LI, Zhen-peng ZHONG, Feng-qing DONG, Mei-ting LIAN, Xiang-xiang PENG, Guo-zhen ZHU, Yi-fei CHEN, Gang LI, Qi-kuan HUANG. Detection and analysis of genome integration sites in cell and gene therapy product evaluation[J]. Chinese Journal of Clinical Pharmacology, 2025 , 41 (7) : 1013 -1019 . DOI: 10.13699/j.cnki.1001-6821.2025.07.021
Year 2025 volume 41 Issue 7
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doi: 10.13699/j.cnki.1001-6821.2025.07.021
  • Receive Date:2024-10-30
  • Online Date:2026-08-04
  • Published:2025-04-17
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  • Received:2024-10-30
Affiliations
    1.Accurant BioTechnology Co., Ltd. (Shanghai), Shanghai 200120, China
    2a.Innovation and Regulatory Science Development Department, Shanghai Center for Drug Evaluation and Inspection, Shanghai 201203, China
    2b.Department of GCP and GLP Inspection, Shanghai Center for Drug Evaluation and Inspection, Shanghai 201203, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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