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  4. Intratypic variants of human papillomavirus type 16 and risk of cervical Neoplasia in Taiwan
 
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Intratypic variants of human papillomavirus type 16 and risk of cervical Neoplasia in Taiwan

Journal
Journal of Medical Virology
Journal Volume
85
Journal Issue
9
Pages
1567-1576
Date Issued
2013
Author(s)
Chang Y.-J.
Chen H.-C.
Pan M.-H.
Lee B.-H.
You S.-L.
Lin C.-Y.
Chou Y.-C.
CHANG-YAO HSIEH  
Cheng Y.-J.
Liaw K.-L.
Hsing A.W.
Schiffman M.
Chen C.-J.
DOI
10.1002/jmv.23651
URI
https://www.scopus.com/inward/record.uri?eid=2-s2.0-84880358680&doi=10.1002%2fjmv.23651&partnerID=40&md5=d10288df0b3b4d6a82e5aa9243d3d084
https://scholars.lib.ntu.edu.tw/handle/123456789/522634
Abstract
The associations between variants of human papillomavirus (HPV) 16 and risk of cervical neoplasia have been reported, but nucleotide variations of HPV 16 in Asian populations and their association with cervical neoplasia have not been evaluated extensively. During 1991-1992, 11,923 women from seven townships in Taiwan were enrolled. The HPV DNA in cervical cells was detected and genotyped using EasyChip HPV blot. Nucleotide variations in the long control region (LCR), E6, and E7 genes were determined using DNA sequencing for 170 HPV 16-positive cervical samples. The Asian variant was the most prevalent variant (81.8%) of HPV 16 in Taiwan, and was also associated with increased prevalence of histologically confirmed cervical intraepithelial neoplasia grade 3 or worse, showing an age-adjusted odds ratio (exact confidence limits) of 10.70 (1.62-451.05; P=0.0049) compared to the HPV 16 European variant. Similar significant associations with cervical intraepithelial neoplasia grade 3 or worse were also observed for distinct nucleotide substitutions, including T178A/G, A647G, A7730C/G, T7781C, G7842A, and C24T/G. These results demonstrate that non-European variants (non-E) of HPV 16, predominantly Asian variants, are associated with increased risk for severe cervical neoplasia, compared with European variants. Molecular mechanisms accounting for varied cervical neoplasia risk among different HPV 16 variants warrant further investigation. ? 2013 Wiley Periodicals, Inc.
Subjects
Cervical neoplasia; HPV 16; Prevalence; Taiwan; Variants
SDGs

[SDGs]SDG3

Other Subjects
virus DNA; adult; article; cancer risk; cancer screening; DNA sequence; female; genetic variability; genotyping technique; human; Human papillomavirus type 16; human tissue; major clinical study; nucleotide sequence; risk assessment; single nucleotide polymorphism; Taiwan; tissue section; uterine cervix carcinoma in situ; uterine cervix tumor; virus detection; virus gene; cervical neoplasia; HPV 16; prevalence; Taiwan; variants; Adult; Aged; DNA, Viral; Female; Genetic Variation; Genotype; Human papillomavirus 16; Humans; Middle Aged; Molecular Epidemiology; Molecular Sequence Data; Oncogene Proteins, Viral; Papillomavirus E7 Proteins; Papillomavirus Infections; Point Mutation; Repressor Proteins; Risk Assessment; Sequence Analysis, DNA; Taiwan; Uterine Cervical Neoplasms
Type
journal article

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