Journal of Smooth Muscle Research
Online ISSN : 1884-8796
Print ISSN : 0916-8737
ISSN-L : 0916-8737
Invited Review
Significant contribution of TRPC6 channel-mediated Ca2+ influx to the pathogenesis of Crohn’s disease fibrotic stenosis
Lin Hai KuraharaKeizo HiraishiMiho SumiyoshiMayumi DoiYaopeng HuKunihiko AoyagiYuwen JianRyuji Inoue
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JOURNALS FREE ACCESS

2016 Volume 52 Pages 78-92

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Abstract

Intestinal fibrosis is an intractable complication of Crohn’s disease (CD), and, when occurring excessively, causes severe intestinal obstruction that often necessitates surgical resection. The fibrosis is characterized by an imbalance in the turnover of extracellular matrix (ECM) components, where intestinal fibroblasts/myofibroblasts play active roles in ECM production, fibrogenesis and tissue remodeling, which eventually leads to the formation of stenotic lesions. There is however a great paucity of knowledge about how intestinal fibrosis initiates and progresses, which hampers the development of effective pharmacotherapies against CD. Recently, we explored the potential implications of transient receptor potential (TRP) channels in the pathogenesis of intestinal fibrosis, since they are known to act as cellular stress sensors/transducers affecting intracellular Ca2+ homeostasis/dynamics, and are involved in a broad spectrum of cell pathophysiology including inflammation and tissue remodeling. In this review, we will place a particular emphasis on the intestinal fibroblast/myofibroblast TRPC6 channel to discuss its modulatory effects on fibrotic responses and therapeutic potential for anti-fibrotic treatment against CD-related stenosis.

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https://creativecommons.org/licenses/by-nc-nd/4.0/
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