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.
中科院分区:
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.
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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发表时间:
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