6533b82bfe1ef96bd128cf08

RESEARCH PRODUCT

Anti-rat liver microsomal and cytosolic antibodies in hepatitis C virus infection.

Fernando AlvarezJose VillalbaPilar Codoñer-franchEsperanza GascoVeronica Ordiñana

subject

Hepatitis C virusImmunologyImmunoblottingEnzyme-Linked Immunosorbent AssayAutoimmune hepatitismedicine.disease_causeVirusAutoimmunityCytosolAntigenmedicineImmunology and AllergyAnimalsHumansRats WistarAutoantibodiesAutoimmune diseasebiologyAutoantibodymedicine.diseaseVirologyHepatitis CRatsLiverbiology.proteinMicrosomes LiverFemaleAntibody

description

In order to assess the frequency of autoimmunity markers in hepatitis C virus infection, 229 RIBA 2 HCV positive individuals were tested by ELISA and Immunoblot assay using as antigen rat liver microsomal and cytosolic proteins. Twenty-one out of 229 individuals (9%) showed anti-rat liver microsome antibodies by ELISA, but the titre was low (1:100 to 1:1,600). In Immunoblot, only 5 of these 21 ELISA positive sera recognized also rat liver microsomal proteins (MW between 30 to 64 kDa). Antibodies against rat liver cytosolic proteins were found by ELISA in 14 out of 229 individuals (6%). Three of them showed a reactivity in Immunoblot to 42 kDa or 55 kDA proteins. In conclusion, HCV infection could induce an autoimmune response against rat liver microsomal and cytosolic proteins in a small number of subjects; the titre of antibodies being lower and the pattern of reactivity different in respect to patients with autoimmune hepatitis.

10.3109/08916939409014663https://pubmed.ncbi.nlm.nih.gov/8061166