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中华临床实验室管理电子杂志 ›› 2018, Vol. 06 ›› Issue (04) : 204 -207. doi: 10.3877/cma.j.issn.2095-5820.2018.04.003

所属专题: 文献

实验研究

特发性血小板减少性紫癜患者单个核细胞PD-1/PD-Ls的变化及临床意义
周国忠1,(), 罗洪强1, 王慧瑜1   
  1. 1. 312000 绍兴市人民医院(浙江大学绍兴医院)临床检验中心
  • 收稿日期:2017-11-29 出版日期:2018-11-28
  • 通信作者: 周国忠
  • 基金资助:
    绍兴市科技局一般项目(2012B70051)

Changes and clinical significance of PD-1 and PD-Ls in mononuclear cells in patients with idiopathic thrombocytopenic purpura

Guozhong Zhou1,(), Hongqiang Luo1, Huiyu Wang1   

  1. 1. Shaoxing People′s Hospital (Shaoxing Hospital, Zhejiang University School of Medicime), Shaoxing 312000, China
  • Received:2017-11-29 Published:2018-11-28
  • Corresponding author: Guozhong Zhou
  • About author:
    Corresponding author: Zhou Guozhong, Email:
引用本文:

周国忠, 罗洪强, 王慧瑜. 特发性血小板减少性紫癜患者单个核细胞PD-1/PD-Ls的变化及临床意义[J]. 中华临床实验室管理电子杂志, 2018, 06(04): 204-207.

Guozhong Zhou, Hongqiang Luo, Huiyu Wang. Changes and clinical significance of PD-1 and PD-Ls in mononuclear cells in patients with idiopathic thrombocytopenic purpura[J]. Chinese Journal of Clinical Laboratory Management(Electronic Edition), 2018, 06(04): 204-207.

目的

探讨特发性血小板减少性紫癜(idiopathic thrombocytopenic purpura,ITP)患者外周血程序性死亡因子PD-1及其配体(PD-Ls)的变化及临床意义。

方法

收集26例初诊为急性ITP成人患者治疗前、治疗后3个月、6个月以及1年的外周血标本,用流式细胞术检测其外周血T淋巴细胞和单核细胞上分子(CD273、CD274和CD279)的表达水平;对各项指标进行相关性分析和随机区组的方差检验。

结果

与ITP患者治疗前相比,治疗后3个月、6个月以及1年的患者单核细胞PD-Ls表达水平均显著性下降(P<0.05);与治疗后3个月相比,治疗后6个月以及1年的患者CD8T淋巴细胞PD-1表达显著性升高(P<0.05);相关性分析显示ITP患者中单核细胞PD-Ls表达与CD8T淋巴细胞的PD-1呈正相关(P<0.01)。

结论

ITP患者治疗过程中血小板数量的变化与单个核细胞PD-1/PD-Ls的表达水平存在关联性,证实PD-1/PD-Ls可作为观察ITP疗效的动态指标。

Objective

To investigate the changes and clinical significance of programmed death factor (PD-1) and its ligand (PD-Ls) in peripheral blood mononuclear cells of patients with idiopathic thrombocytopenic purpura (ITP).

Methods

The expressions of T lymphocytes and monocyte supramolecular molecules (CD273, CD274 and CD279) in peripheral blood of 26 adult patients with acute ITP were detected by flow cytometry before treatment, and 3 months, 6 months and one year after treatment. Correlation of each indice and variance tests of random block was analyzed.

Results

Compared with ITP patients before treatment, the expression of PD-Ls in monocytes decreased significantly at 3 months, 6 months and one year after treatment (P<0.05), while the expression of PD-1 in CD8+ T lymphocytes increased significantly at 6 months and one year after treatment (P<0.05). Correlation analysis showed that the expression of PD-Ls in monocytes was positively correlated with PD-1 expression in CD8+ T lymphocytes (P<0.01).

Conclusion

The platelet count in patients with ITP were correlated with the expression of PD-1 and PD-Ls in mononuclear cells, which proved that PD-1 and PD-Ls could be used as a dynamic index to observe the therapeutic effect of ITP.

表1 ITP患者不同治疗组外周血PD-1/PD-Ls等8项指标检测(±SD%
表2 ITP患者8项指标间相关性分析
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