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Comparative transcriptome and microbiota analyses provide new insights into the adverse effects of industrial trans fatty acids on the small intestine of C57BL/6 mice

文献类型： 外文期刊

作者： Li, Can 1 ; Zhang, Yuhan 2 ; Ge, Yueting 2 ; Qiu, Bin 2 ; Zhang, Di 4 ; Wang, Xianshu 2 ; Liu, Wei 2 ; Tao, Haiteng 1 ;

作者机构： 1.Qilu Univ Technol, Shandong Acad Sci, State Key Lab Biobased Mat & Green Papermaking, Jinan 250353, Peoples R China

2.Shandong Acad Agr Sci, Inst Agrofood Sci & Technol, Jinan 250100, Peoples R China

3.Shandong Normal Univ, Coll Life Sci, Jinan 250014, Peoples R China

4.Shandong Univ, Qilu Hosp, Jinan 250012, Peoples R China

关键词： Transfatty acid; Small intestine; Microbiota composition; Fatty acid spectrum; Transcriptome

期刊名称：EUROPEAN JOURNAL OF NUTRITION （ 影响因子：5.614； 五年影响因子：5.286 ）

ISSN： 1436-6207

年卷期：

页码：

收录情况： SCI

摘要： Purpose To reveal the mechanism that links industrial trans fatty acids (iTFAs) to various chronic diseases, we examined the impact ofiTFAs on the local microenvironment of the small intestine (duodenum, jejunum and ileum). Methods Forty male 8-week-old mice were fed diets containing one of the following: (1) low soybean oil (LS); (2) high soybean oil (HS); (3) low partially hydrogenated oil (LH), and (4) high partially hydrogenated oil (HH). The analysis of microbiota from small intestinal content was performed by real-time qPCR. The fatty acid composition of small intestine mucosa was measured by GC/MS, and comparative transcriptome of the small intestinal mucosa was analyzed by RNA-sequencing. Results The intake ofiTFAs changed the fatty acid spectrum of the small intestine mucosa, especially the excessive accumulation ofiTFA (mainly elaidic acid). For microbiota, the relative abundance of delta-and gamma-proteobacteria,Lactobacillus,Desulfovibrio,PeptostreptococcusandTuricibacterwere significantly different in theiTFA diet groups compared to the control group. Based on the identification of differently expressed genes(DEGs) and pathway annotation, comparative transcriptome analysis of the small intestine mucosa revealed obvious overexpression of genes involved in the extracellular matrix (ECM)-receptor interaction and the peroxisome proliferator-activated receptor signaling pathway, which suggests that ECM remodeling and abnormal lipid metabolism may have occurred withiTFA ingestion. Conclusion Our research demonstrated multiple adverse effects ofiTFA that may have originated from the small intestine. This finding could be to facilitate the development of new strategies to suppressiTFA-related diseases by reversing the adverse effects ofiTFA on intestinal health.

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[1]Comparative transcriptome and microbiota analyses provide new insights into the adverse effects of industrial trans fatty acids on the small intestine of C57BL/6 mice. Li, Can,Tao, Haiteng,Zhang, Yuhan,Ge, Yueting,Qiu, Bin,Wang, Xianshu,Liu, Wei,Zhang, Yuhan,Zhang, Di.

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