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Abstract Title:

Oolong tea polyphenols ameliorate circadian rhythm of intestinal microbiome and liver clock genes in mouse model.

Abstract Source:

J Agric Food Chem. 2019 Oct 4. Epub 2019 Oct 4. PMID: 31583884

Abstract Author(s):

Tongtong Guo, Chitang Ho, Xin Zhang, Jinxuan Cao, Hongfei Wang, Xingfeng Shao, Daodong Pan, Zufang Wu

Article Affiliation:

Tongtong Guo

Abstract:

Our present study focused on the regulating effect of oolong tea polyphenols (OTP) on the circadian rhythm of liver and intestinal microbiome. OTP significantly alleviated the disrupted diurnal oscillation and phase shift of the specific intestinal microbiota and liver clock genes in mice induced by constant dark (CD) treatment. Transcriptomics revealed 1114 genes in the control group and 647 genes in the CD group showed circadian rhythm, while 723 genes were rhythmic in the CD-OTP group. The Gene Ontology (GO) database provided significant differences in differentially expressed genes (DEGs) in response to OTP treatment. In addition, Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways enriched the most DEGs after OTP intervention including 'Focal adhesion' (9 DEGs) and 'PI3K-Akt signaling pathway' (9 DEGs). The present study provided a global view that OTP may alleviate the circadian rhythm disorder of the host, contributing to the improvement of micro-ecology and health.

Study Type : Animal Study

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