Yanhong Yang, Xiaodi Feng, Siqi Chen
Aug 11, 2020
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Abstract
Background: In this study, the effects of Xiao-Ban-Xia-Tang (XBXT) formula on cisplatin and 1-phenylbiguanide hydrochloride (1-PBG) induced acute and delayed emesis and gut microbiota were studied in the pica model of rats, compared with ondansetron. Methods: Two rat models of cisplatin and 1-PBG induced pica were established, the amount of kaolin intake was observed, and the effects of XBXT and ondansetron on the gut microbiota were further studied by 16S rDNA gene analysis. Results: The results showed that the total intake of kaolin of the rats injected with cisplatin and 1-PBG was significantly increased, and treatment of XBXT and ondansetron could significantly ameliorate the acute and delayed pica induced by cisplatin and 1-PBG. The 16S rDNA gene analysis has shown that the alpha diversity of the gut microbiota of the cisplatin and 1-PBG treated rats was significantly decreased compared with the control group, and ondansetron could further decrease the alpha diversity of the gut microbiota of the rats treated with cisplatin. Ondansetron significantly decreased the relative abundance of Firmicutes and increased the abundance of Bacteroidetes on phylum level in the cisplatin and 1-PBG treated rats, while XBXT only decreased Firmicutes in the cisplatin treated rats. Conclusions: XBXT was as effective as ondansetron in the treatment of acute and delayed pica induced by cisplatin and 1-PBG in rats. Ondansetron was more likely to cause gut microbiota dysbiosis than XBXT. Our study provided new avenues for the roles and mechanisms of XBXT on the prevention and treatment of CINV.