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Iranian Journal of Public Health، جلد ۴۶، شماره ۹، صفحات ۱۲۰۴-۱۲۱۰
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عنوان انگلیسی Evaluation of p16INK4α Hypermethylation from Liquid-based Pap Test Samples in Vietnamese Population
چکیده انگلیسی مقاله Abstract Background: Human papillomavirus (HPV) infection has been considered as main cause of cervical cancer. Recently, aberrant DNA methylation at tumor suppressor genes (TSGs), leading to inactivation, has also been an early epigenetic event and cofactor in cervical carcinogenesis. This study was performed to evaluate an association between the hypermethylation of p16 INK4 α gene’s promoter and HPV exposure in non-invasive samples (liquid-based papanicolaous samples) in Vietnamese population. Methods: 109 liquid-based papanicolaous test samples were archived and admitted from the Medic Medical Center and Au Lac Clinic Laboratory, Vietnam, from 2011–2014. Methylation-Specific-PCR (MSP) was performed to analyze methylation status from the liquid-based papanicolaous test samples identified whether HPV/or non-HPV, high-risk/low-risk HPV infection. Results: An upward trend was observed concerning the p16 INK4 α hypermethylation frequency in high-risk HPV infection, counting for 55.6%, and the low methylation frequency in low-risk and non-HPV infected samples, counting for 22.9%, 8.0%, respectively. The significant correlation between candidate p16 INK4 α hypermethylation and HPV exposure was observed ( P < 0.0001). Moreover, the odds ratio (OR) and relative risk (RR) were found in statistical significant value. (OR=5.76, 95%CI: 2.36 – 14.04, P < 0.01; RR=3.11, 95%CI: 1.75–5.53, P < 0.01). Conclusion: Presence of p16 INK4 α hypermethylation was the specific characteristic of high-risk HPV infected samples in Vietnamese population. The OR and RR values showed that the strong correlation between p16 INK4 α hypermethylation and high-risk HPV infection, in which increased the risk of cervical cancer. The combination of p16 INK4 α hypermethylation and HPV detection based biomarker could be used in non-invasive samples obtained from high-risk cancer patients, offer significant practical advantages.
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نویسندگان مقاله phuong کیم truong | phuong kim truong
faculty of biology and biotechnology, university of sciences, vietnam national university, ho chi minh, vietnam faculty of biotechnology, ho chi minh city open university, ho chi minh, vietnam


thuan duc lao | thuan duc lao
faculty of biotechnology, ho chi minh city open university, ho chi minh, vietnam


thuy ai huyen le | thuy ai huyen le
faculty of biotechnology, ho chi minh city open university, ho chi minh, vietnam
نشانی اینترنتی http://ijph.tums.ac.ir/index.php/ijph/article/view/10992
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/86/article-86-426964.pdf
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article(s)
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