Abstract：
:HPV16 is the most carcinogenic HPV type, but only a minority of HPV16 infections progress to cancer. Intratype genetic variants of HPV16 have been suggested to confer differential carcinogenicity. To investigate risk implications of HPV16 variants among Chinese women, a case-control study was conducted with 298 cervical cancer patients and 85 controls (all HPV16-positive). HPV16 isolates were predominantly of the A variant lineage, and variants of A4 (previously named "Asian") sublineage were common. A4/Asian variants were significantly associated with increased risk of cervical cancer compared to A1-3 (OR=1.72, 95% CI=1.04-2.85). Furthermore, a meta-analysis including 703 cases and 323 controls from East Asia confirmed the association (OR=2.82, 95% CI=1.44-5.52). In conclusion, A4 variants appear to predict higher risk of cervical cancer among HPV16-positive women, which may provide clues to the genetic basis of differences in the carcinogenicity of HPV16 variants.
journal_name
Virologyjournal_title
Virologyauthors
Hang D,Yin Y,Han J,Jiang J,Ma H,Xie S,Feng X,Zhang K,Hu Z,Shen H,Clifford GM,Dai M,Li Ndoi
10.1016/j.virol.2015.11.016subject
Has Abstractpub_date
2016-01-15 00:00:00pages
156-61eissn
0042-6822issn
1096-0341pii
S0042-6822(15)00488-2journal_volume
488pub_type
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