title: Immune regulation dysfunction in chronic persistent hepatitis.
abstract: The study included 19 children diagnosed clinically, biochemically, and by liver biopsy as having chronic persistent hepatitis. The following investigations were carried out: 1. detection of total T-lymphocytes, T-helper, and T-suppressor cells using monoclonal antibodies (OKT3, OKT4 and OKT8); 2. determination of HLA-A, B and DR antigens using the microcytotoxicity technique. The results were analysed in comparison with data from a normal control group. There are several important findings. First, low total T-lymphocytes with increased proportion of suppressor cells (P less than 0.001). Second, strong association between HLA-A1 antigen and CPH (Fisher exact = 0.000022). Third, significant association between the immunoregulatory dysfunction and A1 antigen (Fisher exact = 0.033). This observation suggests that a genetic component may influence susceptibility to CPH through an increased suppressor response.
authors.affiliation: Department of Pediatrics, Faculty of Medicine, Mansoura University, Egypt.
authors.forename: M
authors.initials: M
authors.lastname: Hafez
authors.forename: A
authors.initials: A
authors.lastname: Abdalla
authors.forename: F
authors.initials: F
authors.lastname: el-Shennawy
mesh_terms: D000293:Adolescent; D000911:Antibodies, Monoclonal; D002648:Child; D002908:Chronic Disease; D005260:Female; D006680:HLA Antigens / Q000032:analysis; D006505:Hepatitis / Q000276:immunology*; D006801:Humans; D008297:Male; D013601:T-Lymphocytes / Q000032:analysis
chemical_list: D000911:Antibodies, Monoclonal; D006680:HLA Antigens