title: Post-transfusional anti-HCV-negative non-A non-B hepatitis (II) serological and polymerase chain reaction analysis for hepatitis C and hepatitis B viruses.
abstract: Hepatitis C virus (HCV) is a major etilogical agent of post-transfusional and sporadic acute and chronic hepatitis in various geographical areas. However, anti-HCV seroconversion was uncommon in a recent study of patients with post-transfusional hepatitis in Paris, France (N. Asar et al., companion paper). The aim of the present study was to detect viral markers, in particular HCV RNA and hepatitis B virus (HBV) DNA, in these patients. A combination of second-generation assays for anti-HCV antibodies and the polymerase chain reaction were used to identify HCV RNA and HBV DNA sequences in serum samples collected before and after transfusion from patients who developed non-A, non-B hepatitis. Eighteen cases of acute, post-transfusional, non-A, non-B hepatitis were identified in the prospective clinical survey. Only three of these 18 subjects developed anti-HCV antibodies in second-generation tests. HCV RNA was identified in the serum of these three subjects but in none of the others. Two patients who were anti-HCV-negative had polymerase chain reaction evidence of HBV DNA. Known viral markers were not identified in 13 of the 18 patients with acute post-transfusional non-A, non-B hepatitis. These results raise the issue of HCV strains or 'non-A, non-B, non-C' viruses not identified by current HCV and HBV markers and implicated in post-transfusional hepatitis in France.
authors.affiliation: Institut Pasteur, Paris, France.
authors.forename: V
authors.initials: V
authors.lastname: Thiers
authors.forename: F
authors.initials: F
authors.lastname: Lunel
authors.forename: D
authors.initials: D
authors.lastname: Valla
authors.forename: N
authors.initials: N
authors.lastname: Azar
authors.forename: C
authors.initials: C
authors.lastname: Fretz
authors.forename: L
authors.initials: L
authors.lastname: Frangeul
authors.forename: J M
authors.initials: JM
authors.lastname: Huraux
authors.forename: P
authors.initials: P
authors.lastname: Opolon
authors.forename: C
authors.initials: C
authors.lastname: Brechot
mesh_terms: D001483:Base Sequence; D004279:DNA, Viral / Q000302:isolation & purification; D016174:Hepacivirus / Q000276:immunology* / Q000302:isolation & purification; D006508:Hepatitis Antibodies / Q000097:blood*; D006514:Hepatitis B Surface Antigens / Q000097:blood; D006515:Hepatitis B virus / Q000302:isolation & purification*; D018937:Hepatitis C Antibodies; D006525:Hepatitis, Viral, Human / Q000276:immunology*; D006801:Humans; D008969:Molecular Sequence Data; D016133:Polymerase Chain Reaction; D011446:Prospective Studies; D065227:Transfusion Reaction
chemical_list: D004279:DNA, Viral; D006508:Hepatitis Antibodies; D006514:Hepatitis B Surface Antigens; D018937:Hepatitis C Antibodies