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• W4251037229 abstract "To determine the frequency and significance of antibody to hepatitis C virus (anti-HCV) in severe autoimmune chronic active hepatitis, we tested sera from 85 corticosteroid-treated patients by an enzyme immunoassay. Seropositive patients were assessed for specific antibodies to hepatitis C virus-encoded antigens by recombinant immunoblot assay. The findings in patients with and without anti-HCV were contrasted, and the frequency of seropositivity was compared with that in patients who had other types of chronic liver disease and in normal adults. Only 5 of the 85 patients with autoimmune hepatitis (6%) were seropositive for anti-HCV, and only 2 of these patients were reactive by recombinant immunoblot assay. The frequency of seropositivity in autoimmune hepatitis was not significantly different from that in hepatitis B surface antigen-positive (9%) and cryptogenic (18%) disease, but it was significantly less than that in posttransfusion chronic active hepatitis (6% versus 75%; P<0.001). Two patients became seronegative after corticosteroid therapy; both had been nonreactive by recombinant immunoblot assay. Four of the seropositive patients entered remission during corticosteroid therapy, including three whose sera were nonreactive to virus-encoded antigens. We conclude that anti-HCV occurs infrequently in corticosteroid-treated severe autoimmune hepatitis and that antibodies detected by enzyme immunoassay may be nonreactive to hepatitis C virus-encoded antigens. Seropositive patients who are nonreactive by immunoblot assay may still respond to corticosteroid therapy and become seronegative during treatment. To determine the frequency and significance of antibody to hepatitis C virus (anti-HCV) in severe autoimmune chronic active hepatitis, we tested sera from 85 corticosteroid-treated patients by an enzyme immunoassay. Seropositive patients were assessed for specific antibodies to hepatitis C virus-encoded antigens by recombinant immunoblot assay. The findings in patients with and without anti-HCV were contrasted, and the frequency of seropositivity was compared with that in patients who had other types of chronic liver disease and in normal adults. Only 5 of the 85 patients with autoimmune hepatitis (6%) were seropositive for anti-HCV, and only 2 of these patients were reactive by recombinant immunoblot assay. The frequency of seropositivity in autoimmune hepatitis was not significantly different from that in hepatitis B surface antigen-positive (9%) and cryptogenic (18%) disease, but it was significantly less than that in posttransfusion chronic active hepatitis (6% versus 75%; P<0.001). Two patients became seronegative after corticosteroid therapy; both had been nonreactive by recombinant immunoblot assay. Four of the seropositive patients entered remission during corticosteroid therapy, including three whose sera were nonreactive to virus-encoded antigens. We conclude that anti-HCV occurs infrequently in corticosteroid-treated severe autoimmune hepatitis and that antibodies detected by enzyme immunoassay may be nonreactive to hepatitis C virus-encoded antigens. Seropositive patients who are nonreactive by immunoblot assay may still respond to corticosteroid therapy and become seronegative during treatment." @default.
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• W4251037229 date "1991-06-01" @default.
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• W4251037229 title "Frequency and Significance of Antibody to Hepatitis C Virus in Severe Corticosteroid-Treated Autoimmune Chronic Active Hepatitis" @default.
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• W4251037229 doi "https://doi.org/10.1016/s0025-6196(12)60515-1" @default.
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