Herpes simplex virus type 2 or human herpesvirus 8 infection and prostate cancer risk: A meta‑analysis

Ge,Xiaoxiao; Wang,Xiao; Shen,Peng

doi:10.3892/br.2013.82

Herpes simplex virus type 2 or human herpesvirus 8 infection and prostate cancer risk: A meta‑analysis

Authors:
- Xiaoxiao Ge
- Xiao Wang
- Peng Shen
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Affiliations: Department of Medical Oncology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310000, P.R. China, Department of Urology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310000, P.R. China
Published online on: March 19, 2013 https://doi.org/10.3892/br.2013.82
Pages: 433-439

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Abstract

Prostate cancer is the second most frequently diagnosed type of cancer and the sixth leading cause of cancer mortality among males worldwide. The aim of this study was to investigate the association between the infection by herpes simplex virus type 2 (HSV‑2) or human herpesvirus 8 (HHV‑8) and the risk of prostate cancer. A systematic literature search was performed using PubMed, Cochrane Library, Web of Science, Scopus, CNKI and CBM. The association of HSV‑2 or HHV‑8 infection with the risk of prostate cancer was separately assessed. Estimates of the odds ratio (OR) with 95% confidence interval (CI) were pooled by the fixed‑ or random‑effects model. A total of 11 articles with 2,996 cases and 3,875 controls were included in this meta‑analysis. HSV‑2 infection was associated with increased prostate cancer risk (OR=1.209; 95% CI, 1.003‑1.456). Results of the stratified analysis suggested that such an association existed among participants from North and South America (OR=1.226; 95% CI, 1.000‑1.503). No significant correlation was observed in the HHV‑8 group (OR=1.106; 95% CI, 0.765‑1.598). Further investigations and large‑sample studies are required to elucidate the possible mechanism underlying viral carcinogenesis and the association between herpes virus infection and the risk of prostate cancer.

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