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第41卷第3期 同济大学学报(医学版) Vol 41 No. 3 2020年6月 JOURNAL OF TONGJI UNIVERSITY(MEDICAL SCIENCE) doi:10.16118/j1008-0392.2020.03.022 综 述 HPⅴ致宫颈癌机制研究进展 丁璐综述,程忠平审校 (同济大学附属第十人民医院妇产科,上海200072) 摘要】人乳头瘤病毒( human papillomavirus,HPV)是一类无包膜的具有嗜上皮特性的双链DNA病毒,由核酸及 衣壳蛋白构成,其基因组可分为早期编码区(E区)、晚期编码区(L区)和长控制区(LCR),研究表明高危型HPV 的持续感染与宫颈癌的发生密切相关,当HPⅤ病毒感染机体后,其基因组可随机整合到宿主细胞DNA中,随后沉 默E2基因的表达,削弱E蛋白对E6、E7基因的抑制,使B6、E7蛋白过表达,辅以E5蛋白的表达,促使感染细胞 永生化甚至癌变。因此研究HPⅤ的病毒结构及其致病杋制对防治HV感染及预防HPV相关恶性肿瘤,尤其是宫 颈癌的发生、发展尤为重要。本文拟就HPⅤ的病毒结构、致病机制研究进展进行综述 【关键词】人乳头瘤病毒;病毒结构;E/E5/E6/E7蛋白;作用机制;宫颈癌 【中图分类号】R737.33【文献标志码】A【文章编号】1008-0392(2020)03-0388-06 Advances on the carcinogenetic mechanisms of hipv in cervical cancer DING Lu, CHENG Zhong-ping Dept of Gynaecology and Obstetrics, Tenth Peoples Hospital, Tongji University School of Medicine, Shanghai 200072, China) Abstract] Human papillomavirus( HPV) is a type of non-enveloped double-stranded DNA virus with ohilic properties. The HPV virus is composed of nucleic acid and capsid protein, and its genome consists of early coding region(E region), late coding region( L region )and long control region( LCR). Studies have shown that persistent infection of high-risk HPV is closely related to the occurrence of cervical cancer. After HPV infected the body, its genome is randomly integrated into the DNA of host cell, then silences the expression of E2 gene, weakens the inhibition of E2 protein on E6 and E7 genes, makes E6 and E7 proteins over-expressed, complemented with the expression of E5 protein to promote the immortalization or canceration of infected cells. Therefore, studying the viral structure and pathogenesis of HPV is particularly important for the prevention and treatment of HPV infection and prevention of HPV-related malignancies, especially the occurrence and development of cervical cancer. This article reviews the research progress on the structure of HPV and its mechanism in carcinogenesis of cervical cancer. I Key words] human papillomavirus; viral structure; E2/E5/E6/E7 protein; carcinogenic mechanism; ervical cancer 近年来,研究表明HPV与宫颈癌发病相关,目前部分HPV可以通过性接触传播,HPV病毒具有嗜 已分离出200多种HPⅤV病毒,并且根据其致病力及上皮特性,其感染宿主后可在表皮、生殖器、口腔黏膜 致癌作用将其分为高危型HPV和低危型HPV,其中等部位的上皮基底细胞中大量复制,当机体免疫力降 收稿日期:2019-10-09 基金项目:国家自然科学基金面上项目(81874104) 作者简介:丁璐(1992—),女,住院医师,硕士研究生E-mail:2393919992@qcom 通信作者:程忠平E-mail:macheng8@tongji.edu.cndoi: 10􀆰 16118 / j.1008 0392􀆰 2020􀆰 03􀆰 022 ·综 述· 收稿日期: 2019⁃10⁃09 基金项目: 国家自然科学基金面上项目(81874104) 作者简介: 丁 璐(1992—),女,住院医师,硕士研究生.E⁃mail: 2393919992@ qq.com 通信作者: 程忠平.E⁃mail: mdcheng18@ tongji.edu.cn HPV 致宫颈癌机制研究进展 丁 璐 综述, 程忠平 审校 (同济大学附属第十人民医院妇产科,上海 200072) 【摘要】 人乳头瘤病毒(human papillomavirus, HPV)是一类无包膜的具有嗜上皮特性的双链 DNA 病毒,由核酸及 衣壳蛋白构成,其基因组可分为早期编码区(E 区)、晚期编码区(L 区)和长控制区(LCR),研究表明高危型 HPV 的持续感染与宫颈癌的发生密切相关,当 HPV 病毒感染机体后,其基因组可随机整合到宿主细胞 DNA 中,随后沉 默 E2 基因的表达,削弱 E2 蛋白对 E6、E7 基因的抑制,使 E6、E7 蛋白过表达,辅以 E5 蛋白的表达,促使感染细胞 永生化甚至癌变。 因此研究 HPV 的病毒结构及其致病机制对防治 HPV 感染及预防 HPV 相关恶性肿瘤,尤其是宫 颈癌的发生、发展尤为重要。 本文拟就 HPV 的病毒结构、致病机制研究进展进行综述。 【关键词】 人乳头瘤病毒; 病毒结构; E2 / E5 / E6 / E7 蛋白; 作用机制; 宫颈癌 【中图分类号】 R737􀆰 33 【文献标志码】 A 【文章编号】 1008 0392(2020)03 0388 06 Advances on the carcinogenetic mechanisms of HPV in cervical cancer DING Lu, CHENG Zhong⁃ping (Dept. of Gynaecology and Obstetrics, Tenth People􀆳s Hospital, Tongji University School of Medicine, Shanghai 200072, China) 【Abstract】 Human papillomavirus(HPV) is a type of non⁃enveloped double⁃stranded DNA virus with epithelialophilic properties. The HPV virus is composed of nucleic acid and capsid protein, and its genome consists of early coding region( E region), late coding region ( L region) and long control region(LCR). Studies have shown that persistent infection of high⁃risk HPV is closely related to the occurrence of cervical cancer. After HPV infected the body, its genome is randomly integrated into the DNA of host cell, then silences the expression of E2 gene, weakens the inhibition of E2 protein on E6 and E7 genes, makes E6 and E7 proteins over⁃expressed, complemented with the expression of E5 protein to promote the immortalization or canceration of infected cells. Therefore, studying the viral structure and pathogenesis of HPV is particularly important for the prevention and treatment of HPV infection and prevention of HPV⁃related malignancies, especially the occurrence and development of cervical cancer. This article reviews the research progress on the structure of HPV and its mechanism in carcinogenesis of cervical cancer. 【Key words】 human papillomavirus; viral structure; E2/ E5/ E6/ E7 protein; carcinogenic mechanism; cervical cancer 近年来,研究表明 HPV 与宫颈癌发病相关,目前 已分离出 200 多种 HPV 病毒,并且根据其致病力及 致癌作用将其分为高危型 HPV 和低危型 HPV,其中 部分 HPV 可以通过性接触传播[1] ,HPV 病毒具有嗜 上皮特性,其感染宿主后可在表皮、生殖器、口腔黏膜 等部位的上皮基底细胞中大量复制,当机体免疫力降 ·388· 第 41 卷第 3 期 2020 年 6 月 同 济 大 学 学 报 ( 医 学 版 ) JOURNAL OF TONGJI UNIVERSITY(MEDICAL SCIENCE) Vol􀆰 41 No􀆰 3 Jun. 2020
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