Volume 7, Issue 3 (11-1993)                   Med J Islam Repub Iran 1993 | Back to browse issues page

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ARDEHALl S, MOIN REZAKHANLOU A, SADEGHI E, TABEI S. STUDIES ON THE T-CELL PHENOTYPES IN CHILDREN WITH KALA-AZAR IN FARS PROVINCE, IRAN. Med J Islam Repub Iran 1993; 7 (3) :157-160
URL: http://mjiri.iums.ac.ir/article-1-1422-en.html
STUDIES ON THE T-CELL PHENOTYPES IN CHILDREN WITH KALA-AZAR IN FARS PROVINCE, IRAN
S ARDEHALl , A MOIN REZAKHANLOU , E SADEGHI , SZ TABEI
From the Departments of MicrobiologyShiraz University of Medical Sciences, Shiraz, Islamic Republic of lran.
Abstract:   (4631 Views)
The subpopulations of T-Iymphocytes were studied in children with visceral leishmaniasis in the active stage of disease prior to treatment (n=28) and in controls (n=15) using specific monoclonal antibodies (Behring OKT3, OKT4 and OKT8). The percentage of total peripheral blood T-Iymphocytes (CD3+ T-cells) in patients were within the same range as those of normal children (71.09± 1.07 vs68.89± 1.29). The percentage of CD4+ T-Iymphocytes showed a significant increase (P<0.005) in comparison with the control (53.92 ± 1.20 vs 45.59 ± 1.35). A decrease in the percentage of CDS+ T-Iymphocytes (20.81 ± 0.71 vs 23.89 ± 0.72) was observed which was significant at (P<0.025). The ratio of CD4+/CD8+T- lymphocytes was significantly increased at P<0.005 as the value of the ratio was 2.70 ± 0.17 for kalaazar patients and 1.91 ± 0.05 for the controls. The immunosuppression in kala-azar patients studied could be due to dysfunction of antigen specific T-cells and its subsequent effect on various cytokine release rather than changes in the phenotypic characters of these cells.
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Type of Study: Original Research | Subject: Pathology
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