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Int. J. Mol. Sci. 2014, 15(2), 2368-2385; doi:10.3390/ijms15022368

Effect of Glucans from Caripia montagnei Mushroom on TNBS-Induced Colitis

1
Laboratory of Glycobiology, Department of Biochemistry, Federal University of Rio Grande do Norte, Av. Salgado Filho, 3000, Bairro L. Nova, CEP 59078-970, Natal, RN, Brazil
2
Department of Biochemistry, Federal University of Paraná, UFPR, Curitiba CEP 81531-980, PR, Brazil
3
Laboratory of Mycology, Department of Botany, Zoology and Ecology, Federal University of Rio Grande do Norte, Av. Salgado Filho, 3000, Bairro L. Nova 59078-970, Natal, RN, Brazil
*
Author to whom correspondence should be addressed.
Received: 18 November 2013 / Revised: 13 January 2014 / Accepted: 19 January 2014 / Published: 10 February 2014
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Abstract

In this study, we evaluated the effect of different doses of polysaccharides extracted from Caripia montagnei mushroom at different intervals of treatment on colonic injury in the model of colitis induced by 2,4,6-trinitrobenzene sulfonic acid (TNBS). The FT-IR analysis and NMR showed that the polysaccharides from this species of mushroom are composed of α- and β-glucans. The colonic damage was evaluated by macroscopic, histological, biochemical and immunologic analyses. The results showed the reduction of colonic lesions in all groups treated with the glucans. Such glucans significantly reduced the levels of IL-6 (50 and 75 mg/kg, p < 0.05), a major inflammatory cytokine. Biochemical analyses showed that the glucans from C. montagnei acted on reducing levels of alkaline phosphatase (75 mg/kg, p < 0.01) and myeloperoxidase (p < 0.001), a result confirmed by the reduction of cellular infiltration observed microscopically. The increase of catalase activity possibly indicates a protective effect of these glucans on colonic tissue, confirming their anti-inflammatory potential.
Keywords: colitis; polysaccharides; mushroom; anti-inflammatory; Caripia montagnei colitis; polysaccharides; mushroom; anti-inflammatory; Caripia montagnei
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MDPI and ACS Style

da S. Nascimento Santos, M.; de M. Magalhães, J.E.; Castro, L.S.E.P.W.; de Sousa Pinheiro, T.; Sabry, D.A.; Nobre, L.T.D.B.; Lima, J.P.M.S.; Baseia, I.G.; Leite, E.L. Effect of Glucans from Caripia montagnei Mushroom on TNBS-Induced Colitis. Int. J. Mol. Sci. 2014, 15, 2368-2385.

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