alexa GBV-C hepatitis G virus infection and non-Hodgkin lymphoma: a case control study.
Microbiology

Microbiology

Journal of Antivirals & Antiretrovirals

Author(s): Krajden M, Yu A, Braybrook H, Lai AS, Mak A,

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Abstract We investigated whether there was an association between GBV-C viremia and the development of non-Hodgkin lymphoma (NHL) in 553 NHL cases and 438 controls from British Columbia, Canada. Cases were aged 20-79, diagnosed between March 2000 and February 2004, and resident in Greater Vancouver or Victoria. Cases and controls were tested for GBV-C RNA by RT-PCR and positive samples were genotyped. Overall, GBV-C RNA was detected in 4.5\% of NHL cases vs. 1.8\% of controls [adjusted odds ratio (OR) = 2.72, 95\% confidence interval (CI) = 1.22-6.69]. The association between GBV-C RNA detection and NHL remained even after individuals with a history of prior transfusion, injection drug use and hepatitis C virus sero-positivity were excluded. GBV-C viremia showed the strongest association with diffuse large B cell lymphoma (adjusted OR = 5.18, 95\% CI = 2.06-13.71). Genotyping was performed on 29/33 GBV-C RNA positive individuals; genotypes 2a (n = 22); 2b (n = 5) and 3 (n = 2) were identified, consistent with the distribution of genotypes found in North America. This is the largest case-control study to date associating GBV-C viremia and NHL risk. As GBV-C is known to be transmitted through blood products this may have important implications for blood safety. This article was published in Int J Cancer and referenced in Journal of Antivirals & Antiretrovirals

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