Document Detail


Thrombin-induced TGF-β1 pathway: A cause of communicating hydrocephalus post subarachnoid hemorrhage.
MedLine Citation:
PMID:  23338707     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The mechanism of communicating hydrocephalus after subarachnoid hemorrhage (SAH) remains unclear. Revealing a signaling cascade may provide significant insights into the molecular etiology of the accumulation of cerebrospinal fluid (CSF) in cerebral compartments during SAH. To investigate the mechanism of the communicating hydrocephalus following SAH, we infused CSF with thrombin (TH), resulting in proinflammatory and proliferative responses in rat meninges of SAH. The effect of TH could be completely blocked by a transforming growth factor β1 (TGF-β1) inhibitor, SB-431542, suggesting that TH-stimulated proliferation of meninges is through the TGF-β1 signaling pathway. The cascade of TGF β1-Smad3 was significantly upregulated by TH, which, in turn, stimulated the proliferation of subarachnoid meninges. TH-induced overexpression of TGF-β1 and activation of its downstream factors might be a mechanism of communicating hydrocephalus after SAH.
Authors:
Tong Li; Peng Zhang; Bin Yuan; Dongliang Zhao; Yueqin Chen; Xinzhong Zhang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-22
Journal Detail:
Title:  International journal of molecular medicine     Volume:  -     ISSN:  1791-244X     ISO Abbreviation:  Int. J. Mol. Med.     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9810955     Medline TA:  Int J Mol Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Neurology, First Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453100, P.R. China.
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