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Deviated balance between Th1 and Th17 cells exacerbates acute graft-versus-host disease in mice.
MedLine Citation:
PMID:  24845795     Owner:  NLM     Status:  In-Data-Review    
BACKGROUND: Th1/Th17 imbalance had been indicated to mediate several kinds of inflammatory diseases. We deduce that Th1/Th17 imbalance might also contribute to the pathogenesis of acute graft-versus-host disease (GVHD). This study is to investigate the relation between Th1/Th17 imbalance and acute GVHD.
METHODS: We applied a murine GVHD model of C57BL/6 (H-2(b)) donor to BALB/c (H-2(d)) recipient by treating the recipients with low dose of halofuginone (HF), which is competent in selectively inhibiting Th17 differentiation and facilitating Th1 differentiation. Recipient mice were monitored for survival rate, body weight change, clinical symptoms and pathological evidence of acute GVHD. We also measured the proportions of Th1 and Th17 cells in circulation and expression levels of IFN-γ and IL-17A in tissues involved in GVHD.
RESULTS: Firstly, we confirm the existence of Th1/Th17 imbalance in acute GVHD and Th1/Th17 imbalance positively correlates with severity of acute GVHD. Secondly, low dose of HF augments Th1/Th17 imbalance by driving the Th1/Th17 balance to a Th1-dominant reaction. Finally, augmented Th1/Th17 imbalance leads to aggravated systemic GVHD. An increased Th1-type reaction results in aggravated hepatic and intestinal GVHD, and inhibiting Th17 differentiation is sufficient to alleviate pulmonic impairment.
CONCLUSION: Our study is indicative for a critical role of Th1/Th17 imbalance in the pathogenesis of murine GVHD.
Bin Pan; Ying Zhang; Yuqi Sun; Hai Cheng; Yujing Wu; Guoliang Song; Wei Chen; Lingyu Zeng; Kailin Xu
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Publication Detail:
Type:  Journal Article     Date:  2014-05-04
Journal Detail:
Title:  Cytokine     Volume:  68     ISSN:  1096-0023     ISO Abbreviation:  Cytokine     Publication Date:  2014 Aug 
Date Detail:
Created Date:  2014-05-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9005353     Medline TA:  Cytokine     Country:  United States    
Other Details:
Languages:  eng     Pagination:  69-75     Citation Subset:  IM    
Copyright Information:
Copyright © 2014 Elsevier Ltd. All rights reserved.
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