Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Scotto, G. et al.

Scotto, Fazio, D'Alessandro, Monno, Saracino, Palumbo, Angarano,

Association between HLA class II antigens and hepatitis C virus infection.

The aim was to confirm the influence of HLA Class II antigens on the progression of HCV infection and to assess the relationship between these antigens and histological damage, HCV viral load and HCV genotype. 143 patients were enrolled and divided into three groups. Group A included 34 anti-HCV positive, HCV-RNA negative patients with ALT persistently normal; group B included 39 patients with HCV-RNA positive and abnormal ALT level; group C included 70 normal subjects. Serological HCL typing was performed with lymphocytotoxicity test by Terasaky and McClelland, using lymphobeads HLC class II. The frequency of HLA DR11 (5) was significantly higher in the control group (52.9%) and in group A (64.7%), than in group B (28.2%). Allele HLA DR6 was demonstrated in a similar proportion (26%) among control group and group B, while HLA DR14 (6) was less frequent among controls (18% vs 1.4%). In group A the frequency of HLA DR14 (6) was 3% compared to group B, HLA DR17 (3) was prevalent (15.4%) in group B. Liver damage was associated with the detection of HLA DR14 (6) and HLD DR17 (3) antigens. Significantly lower levels of HCV-RNA were measured in subjects with HLA DR11 (5) than in these with either DR6 or DR17 (3). HLA class II antigens appear crucial for resolution or progression of HCV hepatitis. The punctual identification of these genetic factors may, therefore, prove to be useful in predicting disease evolution, in guiding the appropriate therapy for patients with poor prognosis, and in encouraging the development of now therapeutic strategies.[1]

References

Association between HLA class II antigens and hepatitis C virus infection. Scotto, G., Fazio, V., D'Alessandro, G., Monno, L., Saracino, A., Palumbo, E., Angarano, G. J. Biol. Regul. Homeost. Agents (2003) [Pubmed]

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