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  • Title: [Effect of Leukodepleted Blood Transfusions on the Balance of Th1/Th2 Cells in Peripheral Blood of Patients with Acute Lymphoblastic Leukemia].
    Author: Dong QM, Li HY, Lei FZ, Yang RY.
    Journal: Zhongguo Shi Yan Xue Ye Xue Za Zhi; 2018 Aug; 26(4):999-1004. PubMed ID: 30111397.
    Abstract:
    OBJECTIVE: To investigate the effect of leukodepleted blood transfusions on peripheral blood Th1/Th2 cell balance in patients with acute lymphoblastic leukemia (ALL). METHODS: Fifty-seven ALL patients in our hospital from March 2016 to August 2017 were selected, 31 of them received routine blood transfusion were enrolled in group A, and 26 patients received depleted-blood leukotransfusion were enrolled in group B, 36 cases in normal physical examination at the same period were enrolled in control group. And the basic clinical characteristics of patients were recorded; the ratio of Th1/Th2 cells in peripheral blood of patients was analyzed by flow cytometry;the serum levels of IL-2, IFN-γ, IL-4, IL-10 were detected by ELISA method; the mRNA levels of T-bet and GATA-3 in lymphocytes were detected by RT-PCR;the protein levels of T-bet and GATA-3 in lymphocyte were detected by Western blot. RESULTS: The Th1/Th2 ratio in peripheral blood of ALL patients significantly related with patient age and risk grade (P<0.05).After treatment,the change of Th1/Th2 ratio in group A showed no statistical difference from Th1/Th2 ratio before treatment (P>0.05), while the Th1/Th2 ratio in group B increased (P<0.05);the levels of IL-2, IFN-γ, IL-4 and IL-10 secreted from Th1 and Th2 cells of ALL patients in A group were not changed significantly(P>0.05), while the levels of IL-2 and IFN-γ secreted from Th1 cells of ALL patients in group B increased, the levels of IL-4 and IL-10 secreted from Th2 cells in group B decreased with statistical difference (P<0.05); the RT-PCR and Western blot showed that the expression levels of T-bet mRNA and T-bet protein in group A were lower than those in control group, while the expression levels of T-bet mRNA and T-bet protein in group B were higher than those in group A (P<0.05); the expression levels of mRNA and GATA-3 protein in group A were higher than those in control group, the expression levels of mRNA and GATA-3 protein in group B were lower than those in group A (P<0.05). CONCLUSION: The leukoreduced blood transfusion helps to improve the balance of Th1/Th2 cells in peripheral blood and improve the immune function of patients, which may closely relate with the expression levels of T-bet and GATA-3.
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