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Abstract Title:

Acanthopanax senticosus polysaccharide regulates the intestinal homeostasis disruption induced by toxic chemicals in Drosophila.

Abstract Source:

Phytother Res. 2020 Jan ;34(1):193-200. Epub 2019 Nov 17. PMID: 31736181

Abstract Author(s):

Hong Zhang, Sihong Wang, Li Hua Jin

Article Affiliation:

Hong Zhang

Abstract:

The intestinal epithelium provides the first line of defense against pathogens and toxic compounds. The ingestion of toxic compounds causes an enhanced epithelial cell death and an excessive proliferation of intestinal stem cells, eventually resulting in the disruption of gut homeostasis. In this study, Drosophila gut inflammation model induced by toxic compounds was exploited to analyze the ameliorative effect of Acanthopanax senticosus polysaccharide on the disruption of gut homeostasis. As a result, it was found that A. senticosus polysaccharide can significantly increase the survival rate of Drosophila adults as well as reduce the excessive proliferation and differentiation of intestinal stem cells through epidermal growth factor receptor, jun-N-terminal kinase, and Notch signaling pathways under the exposure totoxic compounds dextran sodium sulfate. Moreover, the polysaccharide effectively decreased the epithelial cell death and the accumulation of reactive oxygen species and antimicrobial peptides induced by sodium dodecyl sulfate. In addition, it was found that A. senticosus polysaccharide can extendthe lifespan of only female flies but not male flies. In conclusion, A. senticosus polysaccharide has an obvious protective effect on the gut homeostasis of Drosophila melanogaster.

Study Type : Insect Study

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