Investigating HLA Typing of Chronic Gastritis in a Sample of Iraqi Patients

The present study was proposed to investigte the role of human Leucocyte Antigen HLA-class I (A and B) and class II (DR) antigens and blood groop phenotypes in the aetiology of  chronic atrophic gastritis in a sample of Iraqi patients.The patients were also evaluated for total and absolute counts of leucocytes,immunophenotypes of lymphocytes(CD+,CD4=,CD8+andCD19+cells)and positivity of their sera for anti-Helicobacter pylori IgG antibody.