The effect of exopolysaccharide-producing probiotic strains on gut oxidative damage in experimental colitis

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dc.authorid0000-0003-3852-868Xen_US
dc.authorid0000-0002-3487-1264
dc.authorid0000-0002-0595-7237
dc.contributor.authorŞengül, Neriman
dc.contributor.authorIşık, Sevil
dc.contributor.authorAslım, Belma
dc.contributor.authorUçar, Gülberk
dc.contributor.authorDemirbağ, Ali Eba
dc.date.accessioned2021-06-23T19:28:18Z
dc.date.available2021-06-23T19:28:18Z
dc.date.issued2011
dc.departmentBAİBÜ, Tıp Fakültesi, Cerrahi Tıp Bilimleri Bölümüen_US
dc.description.abstractOxidative stress plays a role in disease initiation and progression in inflammatory bowel disease (IBD) and manipulation of this pathway may attenuate disease progress. In this study, the effect of exopolysaccharide (EPS)-producing probiotic bacteria on gut oxidative damage was evaluated in a rat model of experimental colitis. Colitis was induced by intracolonic administration of acetic acid. Rats were treated daily with two probiotic strains, L. delbrueckii subsp. bulgaricus B3 strain (EPS of 211 mg/l; high-EPS group) or L. delbrueckii subsp. bulgaricus A13 strain (EPS of 27 mg/l; low-EPS group), which were given directly into the stomach. Noncolitis-fed control and preventative groups were only treated with the high-EPS producing strain. Antioxidant enzyme activities (superoxide dismutase, catalase, total glutathione, reduced glutathione, glutathione disulfide) and lipid peroxidation were measured in colonic tissue samples after a treatment period of 7 days. Significant oxidative damage was associated with a higher level of malondialdehyde (MDA) activity and reduced antioxidant enzyme activities in the colitis model group. All antioxidant enzyme activities were higher in both probiotic-treated groups compared with those of the colitis model group (P < 0.001). Lipid peroxidation was significantly ameliorated in both probiotic groups. The improvement of oxidative stress parameters was significantly more in the high-EPS group than in the low-EPS group (P < 0.001). EPS-producing probiotic bacteria significantly attenuate oxidative stress in experimental colitis. Increased EPS production gives rise to a better probiotic function. These results suggest that EPS molecules could revaluate probiotic strains and exert their beneficial effects on the host and this may have a therapeutic potential.en_US
dc.identifier.doi10.1007/s10620-010-1362-7
dc.identifier.endpage714en_US
dc.identifier.issn0163-2116
dc.identifier.issue3en_US
dc.identifier.pmid20683661en_US
dc.identifier.scopus2-s2.0-79952445253en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage707en_US
dc.identifier.urihttps://doi.org/10.1007/s10620-010-1362-7
dc.identifier.urihttps://hdl.handle.net/20.500.12491/6989
dc.identifier.volume56en_US
dc.identifier.wosWOS:000287501500013en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorŞengül, Neriman
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofDigestive Diseases And Sciencesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectInflammatory Bowel Diseaseen_US
dc.subjectExopolysaccharidesen_US
dc.subjectProbioticen_US
dc.subjectOxidative Damageen_US
dc.titleThe effect of exopolysaccharide-producing probiotic strains on gut oxidative damage in experimental colitisen_US
dc.typeArticleen_US

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