期刊
INTERNATIONAL IMMUNOPHARMACOLOGY
卷 28, 期 1, 页码 252-256出版社
ELSEVIER
DOI: 10.1016/j.intimp.2015.06.008
关键词
Immune thrombocytopenia; Runt-related transcription factor 3; T-box transcription factor; Interferon gamma
资金
- National Natural Science Foundation of China [81370602, 81400082]
- Natural Science Foundation of Jiangsu Province [BK2012573, BK20140219]
Immune thrombocytopenia (ITP) is an autoimmune disease, characterized by dysregulation of cellular immunity. Previous studies demonstrated that immune imbalance between Th1 and Th2 was associated with the pathogenesis of ITP. Runt-related transcription factor 3 (RUNX3) is a member of the runt domain-containing family of transcription factors and plays an important role in the regulation of T cell differentiation into Th1 cells. Whether RUNX3 was involved in the pathogenesis of ITP remains unclear. In this study, 47 active ITP patients, 18 ITP with remission and 26 age and gender matched healthy control were included. Peripheral blood mononuclear cells (PBMCs) were isolated from ITP and control for isolation of RNA and plasma which were used to measure mRNA level of RUNX3 and T-box transcription factor (T-bet) by quantitative real-time PCR and interferon gamma (IFN-gamma) plasma level by ELISA. Meanwhile, protein was also extracted from PBMCs for Western blot analysis of RUNX3 expression. Our results showed a significantly higher expression of RUNX3, T-bet and plasma level of IFN-gamma in active ITP patients compared to control. No differences were observed between ITP with remission and control. Furthermore, a positive correlation of RUNX3 with T-bet was found in active ITP patients. In conclusion, aberrant expression of RUNX3 was associated with the pathogenesis of HP and therapeutically targeting it might be a novel approach in ITP treatment. (C) 2015 Elsevier B.V. All rights reserved.
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