Lack of heterogeneity of HPV16 E7 sequence compared with HPV31 and HPV73 may be related to its unique carcinogenic properties.

Lack of heterogeneity of HPV16 E7 sequence compared with HPV31 and HPV73 may be related to its unique carcinogenic properties.
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DOI:
10.1007/s00705-009-0579-2
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发表时间:
2010-03
影响因子:
2.7
通讯作者:
Burk, Robert D.
Burk, Robert D.
中科院分区:
医学4区
文献类型:
--
作者:
Safaeian, Mahboobeh;van Doorslaer, Koenraad;Schiffman, Mark;Chen, Zigui;Rodriguez, Ana Cecilia;Herrero, Rolando;Hildesheim, Allan;Burk, Robert D.

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为了评估人类乳头瘤病毒(HPV)基因在宫颈病变中的作用,我们对HPV16、31或73的E7基因进行了测序,这些患者来自(1)感染迅速清除,(2)有特定类型的持续感染,或(3)进展到CIN2或更严重的病变。在296个HPV16E7核苷酸中有4个是可变的,而在296个HPV31E7和296个HPV73E7中有4个核苷酸是可变的。HPV31和HPV73的大部分多态导致非同义氨基酸改变,而HPV16E7的多态导致同义改变。HPV16E7缺乏异质性提示了高度进化的纯化选择,这可能与HPV16独特的致癌性有关。
To assess the role of human papillomavirus virus (HPV) genetics in cervical lesions, we sequenced the E7 gene of HPV16, 31, or 73 from singly infected women who (1) cleared the infection quickly, (2) had type-specific persistent infection, or (3) progressed to CIN2 or worse lesions. Four of the 296 HPV16 E7 nucleotides were variable, compared with 7 of 296 for HPV31 E7 and 4 of 296 for HPV73 E7. While most of the polymorphisms in HPV31 and -73 resulted in non-synonymous amino acid changes, the polymorphisms in the HPV16 E7 resulted in synonymous changes. The lack of heterogeneity of HPV16 E7 suggests high evolutionary purifying selection that might be related to the unique carcinogenicity of HPV16.
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影响因子: 6.4
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