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Dietary resistant starch ameliorating lipopolysaccharide-induced inflammation in meat ducks associated with the alteration in gut microbiome and glucagon-like peptide 1 signaling

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Journal of Animal Science and Biotechnology 2022年第6期13卷 1945-1958页

作者： Simeng Qin Weiqiang Bai todd japplegate Keying Zhang Gang Tian Xuemei Ding Shiping Bai Jianping Wang Li Lv Huanwei Peng Yue Xuan Qiufeng Zeng Institute of Animal Nutrition Key Laboratory for Animal Disease-Resistance Nutrition of ChinaMinistry of EducationSichuan Agricultural UniversityChengdu 611130China Department of Poultry Science University of Georgia110 Cedar StAthensGA 30602USA

Background:Consumption of resistant starch(RS)has been associated with various intestinal and systemic health benefits,but knowledge of its effects on intestinal health and inflammatory response in stressed birds is ***,we examined how dietary RS supplementation from 12%raw potato starch(RPS)modulated inflammatory severity induced by lipopolysaccharide(LPS)in meat ***:LPS administration at 14,16,and 18 d(chronic challenge)decreased body weight(BW)and glucagon-like peptide 1 receptor(GLP-1R)level with higher intestinal permeability and inflammation,evident by higher proinflammatory cytokine *** 12%RPS supplementation enhanced Claudin-1 and GLP-1R expression,along with lower levels of inflammatory factors in both ileum and *** analysis showed that RS treatment shifted microbial structure reflected by enriched the proportion of Firmicutes,Bifidobacterium,Ruminococcus,*** RS addition also significantly increased the concentrations of propionate and butyrate during chronic LPS ***,response to acute challenge,the ducks received 2 mg/kg BW LPS at 14 d had higher concentrations of serum endotoxins and inflammatory cytokines,as well as upregulated transcription of toll like receptor 4(TLR4)in ileum when compared to control *** to GLP-1 agonist liraglutide,dietary RS addition decreased endotoxins and inflammation cytokines,whereas it upregulated the GLP-1 synthesis related genes ***,dietary RS supplementation suppressed the acute LPS challenge-induced TLR4 ***:These data suggest that dietary 12%RPS supplementation could attenuate the LPS-induced inflammation as well as intestinal injury of meat ducks,which might involve in the alteration in gut microbiota,SCFAs production and the signaling pathways of TLR4 and GLP-1/GLP-1R.

关键词： GLP-1 Inflammatory response Intestinal integrity Microbiota Resistant starch

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