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A role for corticotropin releasing factor in functional gastrointestinal disorders





Curr Gastroenterol Rep. 2009 Aug;11(4):270-7.


A role for corticotropin-releasing factor in functional gastrointestinal disorders.


Taché Y, Kiank C, Stengel A. Center for Ulcer Research and Education-CURE: Digestive Diseases Research Center, Building 115, Room 117, VA Greater Los Angeles Healthcare System, 11301 Wilshire Boulevard, Los Angeles, CA 90073, USA. This email address is being protected from spambots. You need JavaScript enabled to view it.



Functional gastrointestinal disorders (FGIDs), which include irritable bowel syndrome (IBS), encompass a heterogeneous group of diseases identified by chronic or recurrent symptom-based diagnostic criteria. Psychosocial factors are key components in the outcome of clinical manifestations of IBS symptoms. Anxiogenic and endocrine responses to stress are mediated by the corticotropin-releasing factor (CRF)-CRF1 receptor pathway. Preclinical studies show that activation of the CRF1 receptor by exogenous CRF or stress recapitulates many functional symptoms of IBS diarrhea-predominant patients as related to anxiogenic/hypervigilant behavior, autonomic nervous system alterations, induction of diarrhea, visceral hyperalgesia, enhanced colonic motility, mucus secretion, increased permeability, bacterial translocation, and mast cell activation, which are all alleviated by selective CRF1 receptor antagonists. Clinical studies also support that CRF administration can induce IBS-like symptoms in healthy subjects and heighten colonic sensitivity in IBS patients. Yet to be ascertained is whether CRF1 receptor antagonists hold promise as a new therapy in IBS treatment.


PMID: 19615302 [PubMed - in process]










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