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Integration of metabolomics and transcriptomics to reveal anti-immunosuppression mechanism of Lycium barbarum polysaccharide

文献类型： 外文期刊

作者： Wang, Jiandong 1 ; Zhang, Xue 2 ; Wu, Yi 3 ; Wei, Qianfei 3 ; Yan, Lingshan 3 ; Yu, Youli 1 ; Guo, Yanan 1 ; Yu, Zhengqin 5 ; Wang, Pan 5 ; Yang, Xiaonan 6 ;

作者机构： 1.Ningxia Acad Agr & Forestry Sci, Inst Anim Sci, Yinchuan, Ningxia, Peoples R China

2.Yunnan Agr Univ, Coll Anim Sci & Technol, Kunming, Yunnan, Peoples R China

3.Yunnan Agr Univ, Coll Vet Med, Kunming, Yunnan, Peoples R China

4.Nanjing Agr Univ, Coll Vet Med, Nanjing, Jiangsu Provinc, Peoples R China

5.Ningxia Univ, Coll Agr, Yinchuan, Ningxia, Peoples R China

6.Guangxi Bot Garden Med Plants, Natl Engn Res Ctr Southwest Endangered Med Resourc, Nanning, Guangxi, Peoples R China

关键词： immunosuppression; Lycium barbarum polysaccharide; transcriptomics; metabolomics; Mechanism

期刊名称：FRONTIERS IN PHARMACOLOGY （ 影响因子：4.8； 五年影响因子：5.2 ）

ISSN：

年卷期： 2024 年 15 卷

页码：

收录情况： SCI

摘要： It is well documented that immunosuppression in chickens increases the risk of secondary infections and immunodeficiencies, resulting in significant financial setbacks for the poultry sector. It is crucial to determine if Lycium barbarum polysaccharide (LBP) can counteract immune suppression in young chickens, considering its known ability to modulate immune responses. The aim of this study was to investigate the antagonistic effect and mechanism of LBP on immunosuppression in chicks. A total of 200 seven-day-old Hyland Brown laying hens were used to develop an immunosuppression model and to investigate the optimal time of use and optimal dosage of LBP. A further 120 seven-day-old Hyland Brown laying hens were used to investigate the mechanism of antagonism of LBP against immunosuppression at the optimal time and dosage. The results demonstrated that LBP significantly elevated body weight, spleen index, and peripheral lymphocyte transformation rate, and ameliorated pathological spleen damage in immunosuppressed chickens. A total of 178 differential genes were significantly upregulated following LBP intervention, with a significant enrichment in immune-related pathways, including the chemokine signalling pathway, the C-type lectin receptor signalling pathway, the B-cell receptor signalling pathway, platelet activation, natural killer cell-mediated cytotoxicity, and Th1 and Th2 cell differentiation. A total of 20 different metabolites were identified by metabolomics, which were mainly involved in vitamin metabolism, lipid metabolism, nucleic acid metabolism and amino acid metabolism. The integrated examination of transcriptomic and metabolomic data revealed that the glycerophospholipid metabolic pathway stands out as the most significant among all metabolic pathways. The results demonstrated that LBP regulate the immune system in a multi-pathway and multi-target way.

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