Malekpour Afshar Reza, Deldar Zeinab, Mollaei Hamid Reza, Arabzadeh Seyed Alimohammad, Iranpour Maryam
Pathology and Stem Cell Research center, Kerman University of Medical Sciences, Kerman, Iran. Email:
Asian Pac J Cancer Prev. 2018 Jan 27;19(1):193-198. doi: 10.22034/APJCP.2018.19.1.193.
Background: The HPV virus is known to be oncogenic and associations with many cancers has been proven. Although many studies have been conducted on the possible relationship with colorectal cancer (CRC), a definitive role of the virus has yet to be identified. Method: In this cross-sectional study, the frequency of HPV positivity in CRC samples in Kerman was assessed in 84 cases with a mean age of 47.7 ± 12.5 years over two years. Qualitative real time PCR was performed using general primers for the L1 region of HPV DNA. Results: Out of 84 CRC samples, 19 (22.6%), proved positive for HPV DNA. Genotyping of positive samples showed all of these to be of high risk HPV type. Prevalence of HPV infection appears to depend geographic region, life style, diet and other factors. Conclusion: In our location frequency of CRC is low, and this limited the sample size for evaluation of HPV DNA. The most prevalent types were HPV types 51 and 56. While HPV infection may play an important role in colorectal carcinogenesis, this needs to be assessed in future studies.
背景:人乳头瘤病毒(HPV)已知具有致癌性,并且已证实其与多种癌症有关。尽管已经针对其与结直肠癌(CRC)的可能关系开展了许多研究,但该病毒的确切作用尚未明确。方法:在这项横断面研究中,对克尔曼84例平均年龄为47.7±12.5岁的结直肠癌样本在两年内的HPV阳性频率进行了评估。使用针对HPV DNA L1区域的通用引物进行定性实时PCR。结果:在84份结直肠癌样本中,19份(22.6%)HPV DNA检测呈阳性。阳性样本的基因分型显示所有这些均为高危HPV类型。HPV感染的患病率似乎取决于地理区域、生活方式、饮食和其他因素。结论:在我们所在地区,结直肠癌的发病率较低,这限制了用于评估HPV DNA的样本量。最常见的类型是HPV 51型和56型。虽然HPV感染可能在结直肠癌发生中起重要作用,但这需要在未来的研究中进行评估。
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