黄芪多糖对鸡巨噬细胞免疫应答的转录-代谢组学研究
陈富斌 , 张宏 , 华永丽 , 刘琴 , 冯海鹏 , 韩松伟 , 刘佳惠 , 古雪艳 , 李建喜 , 张景艳 , 张小朋
甘肃农业大学学报 ›› 2025, Vol. 60 ›› Issue (02) : 16 -25.
黄芪多糖对鸡巨噬细胞免疫应答的转录-代谢组学研究
Transcriptional metabolomics study of the immune response induced by Astragalus polysaccharides in chicken macrophages
目的 利用转录组学和代谢组学联合分析200 μg/mL黄芪多糖(APS)对鸡巨噬细胞HD11免疫作用,探讨200 μg/mLAPS对鸡巨噬细胞HD11免疫应答的作用机制。 方法 设置空白对照组(CON组)和200 μg/mL APS处理组(A200组),其中A200组和CON组分别用含200 μg/mL APS的完全培养液培养和完全培养液培养HD11细胞12 h。通过转录组和代谢组分析筛选差异表达基因和差异代谢物,之后联合KEGG富集分析,构建相关网络互作图并进行转录组与代谢组联合分析。 结果 转录组结果表明,在A200组与CON组中共检测到差异基因1 196个,其中上调基因862个,下调基因334个;KEGG分析表明,差异表达基因主要富集在细胞因子-细胞因子受体相互作用、Toll样受体信号通路、ECM受体相互作用、吞噬体等多种途径;代谢组结果表明,在A200组与CON组中共筛选出差异代谢物138个,其中下调差异代谢物84个,上调的差异代谢物54个。KEGG通路分析表明,差异物主要富集到氨基酸代谢、类脂物代谢、辅助因子和维生素的代谢、核苷酸代谢以及信号传导等多个途径;转录组与代谢组联合分析表明,差异基因与差异代谢物显著富集于组氨酸代谢、嘌呤代谢、碳代谢、二羧酸代谢、谷胱甘肽代谢、神经活性配体-受体相互作用、β-丙氨酸代谢、嘧啶代谢、磷脂酰肌醇信号系统等。 结论 200 μg/mLAPS处理HD11细胞可能是通过糖酵解和磷酸戊糖途径以及Toll样受体信号通路对HD11细胞发挥免疫增强作用。
Objective Transcriptomics and metabolomics were used to analyze the immune effect of 200 μg/mL Astragalus polysaccharide (APS) on chicken macrophage HD11,and to explore the mechanism of immune response of 200 μg/mLAPS on chicken macrophage HD11. Method Blank control group (CON group) and 200 μg/mL APS treatment group (A200 group) were set up,in which HD11 cells in A200 group and CON group were cultured with complete culture medium containing 200 μg/mL APS for 12 h.Differentially expressed genes and differentially expressed metabolites were screened by transcriptome and metabolome analysis,and then combined with KEGG enrichment analysis,correlation network interaction map was constructed and combined transcriptome and metabolome analysis was performed. Result The transcriptome results showed that 1196 differential genes were detected in the A200 and CON groups,including 862 up-regulated genes and 334 down-regulated genes.KEGG analysis showed that the differentially expressed genes were mainly concentrated in cytokine-cytokine receptor interaction,toll-like receptor signaling pathway,ECM receptor interaction,phagosome and other pathways.Metabolomic results showed that a total of 138 differential metabolites were screened in the A200 and CON groups,of which 84 were downregulated and 54 were upregulated.KEGG pathway analysis showed that the differential metabolites were mainly enriched in amino acid metabolism,lipid metabolism,cofactor and vitamin metabolism,nucleotide metabolism and signal transduction.Combined transcriptome and metabolome analysis showed that differential genes and differential metabolites were significantly enriched in histidine metabolism,purine metabolism,carbon metabolism,dicarboxylic acid metabolism,glutathione metabolism,neuroactive ligand-receptor interaction,β-alanine metabolism,pyrimidine metabolism,phosphatidylate inositol signaling system,etc. Conclusion Treatment of HD11 cells with 200 μg/mLAPS may enhance the immune function of HD11 cells through glycolysis,pentose phosphate pathway and toll-like receptor signaling pathway.
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甘肃省国际合作项目(22YF7WA032)
甘肃省技术创新引导计划项目(22CX8NA013)
中国农业科学院中兽医与临床创新团队(CAAS-ASTIP-2015-LIHPS-06)
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