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eISSN: 1643-3750

Importance of Th22 Cell Disequilibrium in Immune Thrombocytopenic Purpura

Feng-xia Zhan, Juan Li, Min Fang, Juan Ding, Qian Wang

(Department of Clinical Laboratory, Hospital of Shandong University, Jinan, Shandong, China (mainland))

Med Sci Monit 2018; 24:8767-8772

DOI: 10.12659/MSM.912528

Published: 2018-12-04

BACKGROUND: The disequilibrium of T helper (Th) cells play an important role in the occurrence and development of immune thrombocytopenic purpura (ITP). Th22 cells, as a newly discovered subset of T lymphocytes, plays an important role in autoimmune disorders and inflammatory diseases.
MATERIAL AND METHODS: This study explored the role of different lymphocyte subsets in chronic ITP. To explore the value of Th22 cells in the diagnosis of ITP, the numbers of Th1, Th17, and Th22 cells were detected by a 4-color flow cytometric in 32 chronic ITP patients and 30 healthy controls.
RESULTS: Our data showed that, compared with healthy controls, the numbers of circulating Th1, Th17, and Th22 (p<0.05) cells increased significantly in ITP patients, and Th22 cells were correlated positively with Th1 cells (r=0.4041, p<0.01) and Th17 cells (r=0.4637, p<0.05). Moreover, a positive relationship was found between Th1/Th22 cells and Th1 cells (r=0.7696, p<0.001).
CONCLUSIONS: A disequilibrium expression profile of Th22 cells in peripheral blood was associated with pathogenesis of ITP, possibly through cooperatively working with Th17 and Th1, which may provide a novel approach for diagnosis of ITP.

Keywords: Cytokines, Purpura, Thrombocytopenic, Idiopathic, T-Lymphocytes, Helper-Inducer