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Fan X, Hu H, Chen D, Yu B, He J, Yu J, Luo J, Eckhardt E, Luo Y, Wang J, Yan H, Mao X. Lentinan administration alleviates diarrhea of rotavirus-infected weaned pigs via regulating intestinal immunity. J Anim Sci Biotechnol 2021; 12:43. [PMID: 33750472 PMCID: PMC7945689 DOI: 10.1186/s40104-021-00562-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 01/26/2021] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Lentinan (LNT) may regulate many important physiological functions of human and animals. This study aimed to verify whether LNT administration could relieve diarrhea via improving gut immunity in rotavirus (RV)-challenged weaned pigs. METHODS Twenty-eight weaned pigs were randomly fed 2 diets containing 0 or 84 mg/kg LNT product for 19 d (n = 14). RV infection was executed on d 15. After extracting polysaccharides from LNT product, its major monosaccharides were analyzed. Then, LNT polysaccharide was used to administrate RV-infected IPEC-J2 cells. RESULTS Dietary LNT supplementation supported normal function of piglets even when infected with RV, as reflected by reduced growth performance loss and diarrhea prevalence, and maintained gut immunity (P < 0.05). The polysaccharide was isolated from LNT product, which molecular weight was 5303 Da, and major monosaccharides included glucose, arabinose and galactose. In RV-infected IPEC-J2 cells, this polysaccharide significantly increased cell viability (P < 0.05), and significantly increased anti-virus immunity via regulating pattern recognition receptors and host defense peptides (P < 0.05). CONCLUSION Those results suggest that LNT administration increases the piglets' resistance to RV-induced stress, likely by supporting intestinal immunity.
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Affiliation(s)
- Xiangqi Fan
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, No. 211, Gongpinghuimin Road, Wenjiang District, Chengdu, 611130 Sichuan Province People’s Republic of China
| | - Haiyan Hu
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, No. 211, Gongpinghuimin Road, Wenjiang District, Chengdu, 611130 Sichuan Province People’s Republic of China
| | - Daiwen Chen
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, No. 211, Gongpinghuimin Road, Wenjiang District, Chengdu, 611130 Sichuan Province People’s Republic of China
| | - Bing Yu
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, No. 211, Gongpinghuimin Road, Wenjiang District, Chengdu, 611130 Sichuan Province People’s Republic of China
| | - Jun He
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, No. 211, Gongpinghuimin Road, Wenjiang District, Chengdu, 611130 Sichuan Province People’s Republic of China
| | - Jie Yu
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, No. 211, Gongpinghuimin Road, Wenjiang District, Chengdu, 611130 Sichuan Province People’s Republic of China
| | - Junqiu Luo
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, No. 211, Gongpinghuimin Road, Wenjiang District, Chengdu, 611130 Sichuan Province People’s Republic of China
| | - Erik Eckhardt
- Adisseo SAS, Center of Excellence and Research in Nutrition, 03600 Malicorne, France
| | - Yuheng Luo
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, No. 211, Gongpinghuimin Road, Wenjiang District, Chengdu, 611130 Sichuan Province People’s Republic of China
| | - Jianping Wang
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, No. 211, Gongpinghuimin Road, Wenjiang District, Chengdu, 611130 Sichuan Province People’s Republic of China
| | - Hui Yan
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, No. 211, Gongpinghuimin Road, Wenjiang District, Chengdu, 611130 Sichuan Province People’s Republic of China
| | - Xiangbing Mao
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, No. 211, Gongpinghuimin Road, Wenjiang District, Chengdu, 611130 Sichuan Province People’s Republic of China
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