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Depression: 21st Century Solutions + The Dark Side of Wheat

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Article Publish Status: FREE
Abstract Title:

Targeting Nrf2/HO-1 signaling by crocin: Role in attenuation of AA-induced ulcerative colitis in rats.

Abstract Source:

Biomed Pharmacother. 2019 Feb ;110:389-399. Epub 2018 Dec 5. PMID: 30530041

Abstract Author(s):

Ahmed E Khodir, Eman Said, Hoda Atif, Hassan A ElKashef, Hatem A Salem

Article Affiliation:

Ahmed E Khodir

Abstract:

Ulcerative colitis (UC) is usually a mildly active disease; however, it can be associated with serious systemic complications. The current study was undertaken to evaluate the anti-ulcerogenic and coloprotective properties of crocin; the major biologically active ingredient of saffron against experimentally-induced UC, by intracolonic instillation of AA (AA). Rats received either felodipine (3 mg/kg) or crocin (20 mg/kg) orally for 8 successive days as protective and curative therapies. Either as a protective or as a curative remedy, crocin significantly reversed AA-induced colonic damage. Intracolonic AA-induced a significant functional, biochemical and inflammatory colon injury. Onthe other hand, crocin significantly attenuated AA-induced oxidative, inflammatory and apoptotic activity. Crocin significantly enhanced colon anti-oxidant defenses and reduced colon tumor necrosis factor-α (TNF-α) and Ca+2 contents with down-regulation of the inflammatory response and oxidativeload. The anti-ulcerogenic effect of crocin appears to be Ca+2 dependent. Most importantly, crocin enhanced colon Nuclear Factor, Erythroid-Derived 2 like Protein 2 (Nrf2) content and Heme Oxygenase-1 (HO-1) activity and attenuated caspase-3 activity. In conclusion; crocin demonstrated anti-ulcerogenic and coloprotective effect mediated primarily by its antioxidant, anti-inflammatory and anti-apoptotic properties. The therapeutic impact is mediated primarily via enhancement of colon Nrf2 content by 211% in protective protocol and by 350% in curative and HO-1 signaling by 49% in protective protocol and, 288% in the curative protocol. Enhancement of Nrf2 and HO-1 signaling and down-regulation of caspase-3 activity are believed to underly the observed therapeutic effect.

Study Type : Animal Study

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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