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Structural Variations of the 3D Genome Architecture in Cervical Cancer Development

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单位: [1]Huazhong Agr Univ, Natl Key Lab Crop Genet Improvement, Wuhan, Peoples R China [2]Huazhong Agr Univ, Hubei Engn Technol Res Ctr Agr Big Data, Agr Bioinformat Key Lab Hubei Prov, 3D Genom Res Ctr,Coll Informat, Wuhan, Peoples R China [3]Huazhong Agr Univ, State Key Lab Agr Microbiol, Wuhan, Peoples R China [4]Huazhong Agr Univ, Coll Vet Med, Wuhan, Peoples R China [5]Huazhong Agr Univ, Coll Biomed & Hlth, Wuhan, Peoples R China [6]Huazhong Univ Sci & Technol,Tongji Med Coll,Tongji Hosp,Dept Gynecol Oncol,Wuhan,Peoples R China [7]Huazhong Univ Sci & Technol,Tongji Med Coll,Tongji Hosp,Canc Biol Res Ctr,Key Lab,Minist Educ,Wuhan,Peoples R China
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关键词: cervical cancer gene expression Hi-C SVs translocation detection topologically associating domains

摘要:
Human papillomavirus (HPV) integration is the major contributor to cervical cancer (CC) development by inducing structural variations (SVs) in the human genome. SVs are directly associated with the three-dimensional (3D) genome structure leading to cancer development. The detection of SVs is not a trivial task, and several genome-wide techniques have greatly helped in the identification of SVs in the cancerous genome. However, in cervical cancer, precise prediction of SVs mainly translocations and their effects on 3D-genome and gene expression still need to be explored. Here, we have used high-throughput chromosome conformation capture (Hi-C) data of cervical cancer to detect the SVs, especially the translocations, and validated it through whole-genome sequencing (WGS) data. We found that the cervical cancer 3D-genome architecture rearranges itself as compared to that in the normal tissue, and 24% of the total genome switches their A/B compartments. Moreover, translocation detection from Hi-C data showed the presence of high-resolution t(4;7) (q13.1; q31.32) and t(1;16) (q21.2; q22.1) translocations, which disrupted the expression of the genes located at and nearby positions. Enrichment analysis suggested that the disrupted genes were mainly involved in controlling cervical cancer-related pathways. In summary, we detect the novel SVs through Hi-C data and unfold the association among genome-reorganization, translocations, and gene expression regulation. The results help understand the underlying pathogenicity mechanism of SVs in cervical cancer development and identify the targeted therapeutics against cervical cancer.

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出版当年[2020]版
大类 | 2 区 生物
小类 | 2 区 发育生物学 3 区 细胞生物学
最新[2025]版:
大类 | 2 区 生物学
小类 | 2 区 发育生物学 3 区 细胞生物学
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出版当年[2019]版:
Q1 DEVELOPMENTAL BIOLOGY Q2 CELL BIOLOGY
最新[2023]版:
Q1 DEVELOPMENTAL BIOLOGY Q2 CELL BIOLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2019版] 出版当年五年平均 出版前一年[2018版] 出版后一年[2020版]

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第一作者单位: [1]Huazhong Agr Univ, Natl Key Lab Crop Genet Improvement, Wuhan, Peoples R China [2]Huazhong Agr Univ, Hubei Engn Technol Res Ctr Agr Big Data, Agr Bioinformat Key Lab Hubei Prov, 3D Genom Res Ctr,Coll Informat, Wuhan, Peoples R China
通讯作者:
通讯机构: [1]Huazhong Agr Univ, Natl Key Lab Crop Genet Improvement, Wuhan, Peoples R China [2]Huazhong Agr Univ, Hubei Engn Technol Res Ctr Agr Big Data, Agr Bioinformat Key Lab Hubei Prov, 3D Genom Res Ctr,Coll Informat, Wuhan, Peoples R China [6]Huazhong Univ Sci & Technol,Tongji Med Coll,Tongji Hosp,Dept Gynecol Oncol,Wuhan,Peoples R China [7]Huazhong Univ Sci & Technol,Tongji Med Coll,Tongji Hosp,Canc Biol Res Ctr,Key Lab,Minist Educ,Wuhan,Peoples R China
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