Hepatocarcinogenic potential of genotype 5 of hepatitis C virus.
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1997-10-05
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Abstract
Evidence is emerging that hepatitis C virus genotypes have different carcinogenic potentials. The hepatocarcinogenicity of genotype 5, the predominant subtype in hepatitis C virus isolates in South Africa, is not known. We have compared the prevalence of genotype 5 of hepatitis C virus in 44 southern African blacks with hepatitis C virus-related hepatocellular carcinoma with that in a comparable group of patients with hepatitis C virus-induced chronic liver disease (cirrhosis or chronic hepatitis) in the absence of cancer. Hepatitis C virus serotypes 1 to 6 were identified by measuring type-specific antibodies to NS4-derived peptide antigens. Serotype 5 was present in 48% (21/44) of the patients with hepatocellular carcinoma and 37% (15/41) of those with liver disease in the absence of hepatocellular carcinoma, an insignificant difference. Although the numbers of the other genotypes were small, the differences in the prevalence rates of these serotypes between the two groups of patients were also not significant. We conclude that genotype 5 of the hepatitis C virus is neither more nor less carcinogenic than other genotypes found in isolates in South Africa.
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Kedda MA, Kew MC, Coppin A. Hepatocarcinogenic potential of genotype 5 of hepatitis C virus. Tropical Gastroenterology. 1997 Oct-Dec; 18(4): 153-5