Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 22 3 1980 09 15 195 208 MASSOUD.A LOTFI.J DERAKHSHAN.I ALA.F 2015 09 28 Thirty seven randomly selected patients suffering from multiple s c l e r os i s (MS) (17 males and 20 females)and 30 healthy control subjects were studied for the lymphocyte subpopulations and ce l l -Medi a t e d immunity.We obs e r ved a decrease of the total T-cells and an increase of a ctive T-Lymphocytes and B ce l l s , In MS p at i ent s as compared t o normal controls. The inability of MS lymphocytes t o measles antigen by LMT or LTT in our e xpe r i me nt s could be due t o T-lymphocyte dysfunction. https://acta.tums.ac.ir/index.php/acta/article/view/134 https://acta.tums.ac.ir/index.php/acta/article/download/134/130