ITP患者治疗前后Breg Treg构成及其相关细胞因子浓度变化和意义分析

doi:10.3969/j.issn.1006-6233.2023.05.011

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Abstract Objective: To investigate the levels and significance of regulatory B cells (Breg), regulatory T cells (Treg) and their related cytokines in patients with immune thrombocytopenia (ITP) before and after treatment. Methods: A total of 103 ITP patients treated in our hospital from December 2018 to January 2022 were selected as the observation group, while 103 healthy volunteers were selected as the control group, and the two groups were examined for Breg cells, Treg cells, transforming growth factor-β (TGF-β), interleukin-10 (IL-10), interleukin-4 (IL-4), interleukin-17 ( IL-17), soluble programmed death 1 (sPD-1) and soluble programmed death ligand 1 (sPD-L1) differences, and also analyze the differences of Breg cells and Treg cells before and after treatment in the observation group. Results: Breg cells, Treg cells, TGF-β, IL-10 and IL-4 in the observation group were (4.46±1.01)%, (5.11±1.03)%, (2203.19±225.51)pg/ml, (4.06±0.93)pg/ml and (298.32±55.62)pg/ml, respectively, which were significantly lower than those in the control group (P<0.05), IL-17 and sPD-1 were (12.01±2.28) pg/ml and (110.32±19.20) pg/ml, respectively, significantly higher than the control group (P<0.05). There was no statistically significant difference between the observation group and the control group comparing sPD-L1 (P>0.05). Breg cells, Treg cells, TGF-β, IL-10 and IL-4 were higher in the observation group 3 months after treatment compared with before treatment (P<0.05), while IL-17 and sPD-1 were lower than before treatment (P<0.05). The pre-treatment Breg cells and Treg cells were (3.88±0.97)% and (4.72±0.98)% in the observation group of treatment-ineffective patients, respectively, which were significantly lower than those of treatment-effective patients (P<0.05); the differences between the comparison of pre-treatment TGF-β, IL-10, IL-4, IL-17, sPD-1 and sPD-L1 in the observation group of treatment-ineffective and effective patients were not statistically (P>0.05). The post-treatment Breg cells, Treg cells and TGF-β were (5.68±1.01)%, (6.65±1.02)% and (2606.82±203.14)pg/ml, respectively, in the observation group of treatment-naive patients, which were significantly lower than those of treatment-effective patients (P<0.05), while IL-17 and sPD-1 were (10.11±1.60)pg/ml and (102.21±14.04) pg/ml, which were significantly higher than those in treatment effective patients (P<0.05). The area under the ROC curve for pre-treatment Breg cells and Treg cells predicting treatment effective was 0.694 and 0.725, respectively, P<0.05.Conclusion: Breg cells and Treg cells were significantly lower before treatment in ITP patients, and the levels of related cytokines were significantly abnormal. After treatment, the indices of Breg cells and Treg cells in patients improved significantly, while the pre-treatment Breg cells and Treg cells have some application value in predicting the efficacy of treatment.

Key words： Immune thrombocytopenia Regulatory B cells Regulatory T cells

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	HAO Lijun
	XU Teng
	CUI Yanjie
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Cite this article:

HAO Lijun,XU Teng,CUI Yanjie, et al. Changes and Significance of Breg Treg Composition and Related Cytokine Concentration in ITP Patients before and after Treatment[J]. HeBei Med, 2023, 29(5): 756-761.

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http://www.hbyxzzs.cn/EN/10.3969/j.issn.1006-6233.2023.05.011 OR http://www.hbyxzzs.cn/EN/Y2023/V29/I5/756

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