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Long-read sequencing unveils high-resolution HPV integration and its oncogenic progression in cervical cancer

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单位: [1]Zhejiang Univ, Sir Run Run Shaw Hosp, Key Lab Precis Med Diag & Monitoring Res Zhejiang, Sch Med, Hangzhou, Peoples R China [2]Zhejiang Univ, Womens Hosp, Zhejiang Prov Key Lab Precis Diag & Therapy Major, Sch Med, Hangzhou, Peoples R China [3]Huazhong Univ Sci & Technol, Tongji Hosp, Dept Obstet & Gynecol, Tongji Med Coll, Wuhan, Peoples R China [4]Wenzhou Cent Hosp, Dept Obstet & Gynecol, Wenzhou 325000, Zhejiang, Peoples R China [5]Zhejiang Univ, Inst Bioinformat, Hangzhou, Peoples R China [6]Zhejiang Univ, Ctr Canc, Hangzhou, Peoples R China [7]Zhejiang Univ, Womens Hosp, Womens Reprod Hlth Key Lab Zhejiang Prov, Sch Med, Hangzhou, Peoples R China [8]Zhejiang Univ, Inst Translat Med, Sch Med, Hangzhou, Peoples R China [9]Med Coll Wisconsin, Dept Physiol, Milwaukee, WI 53226 USA [10]Med Coll Wisconsin, Ctr Syst Mol Med, Milwaukee, WI 53226 USA
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The molecular mechanisms underlying cervical carcinogenesis following integration of HPV DNA into the human genome remain elusive. Here, the authors perform long-read sequencing in 16 HPV16-positive cervical tumors and identify distinct integration types, structural variations and potential driver genes. Integration of human papillomavirus (HPV) DNA into the human genome is considered as a key event in cervical carcinogenesis. Here, we perform comprehensive characterization of large-range virus-human integration events in 16 HPV16-positive cervical tumors using the Nanopore long-read sequencing technology. Four distinct integration types characterized by the integrated HPV DNA segments are identified with Type B being particularly notable as lacking E6/E7 genes. We further demonstrate that multiple clonal integration events are involved in the use of shared breakpoints, the induction of inter-chromosomal translocations and the formation of extrachromosomal circular virus-human hybrid structures. Combined with the corresponding RNA-seq data, we highlight LINC00290, LINC02500 and LENG9 as potential driver genes in cervical cancer. Finally, we reveal the spatial relationship of HPV integration and its various structural variations as well as their functional consequences in cervical cancer. These findings provide insight into HPV integration and its oncogenic progression in cervical cancer.

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大类 | 1 区 综合性期刊
小类 | 1 区 综合性期刊
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Q1 MULTIDISCIPLINARY SCIENCES
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Q1 MULTIDISCIPLINARY SCIENCES

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第一作者单位: [1]Zhejiang Univ, Sir Run Run Shaw Hosp, Key Lab Precis Med Diag & Monitoring Res Zhejiang, Sch Med, Hangzhou, Peoples R China
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通讯机构: [1]Zhejiang Univ, Sir Run Run Shaw Hosp, Key Lab Precis Med Diag & Monitoring Res Zhejiang, Sch Med, Hangzhou, Peoples R China [2]Zhejiang Univ, Womens Hosp, Zhejiang Prov Key Lab Precis Diag & Therapy Major, Sch Med, Hangzhou, Peoples R China [6]Zhejiang Univ, Ctr Canc, Hangzhou, Peoples R China [7]Zhejiang Univ, Womens Hosp, Womens Reprod Hlth Key Lab Zhejiang Prov, Sch Med, Hangzhou, Peoples R China [8]Zhejiang Univ, Inst Translat Med, Sch Med, Hangzhou, Peoples R China [9]Med Coll Wisconsin, Dept Physiol, Milwaukee, WI 53226 USA [10]Med Coll Wisconsin, Ctr Syst Mol Med, Milwaukee, WI 53226 USA
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