Journal
CHINESE JOURNAL OF INTEGRATIVE MEDICINE
Volume 27, Issue 3, Pages 206-211Publisher
SPRINGER
DOI: 10.1007/s11655-020-3259-4
Keywords
functional diarrhea; Pi (Spleen)-deficiency; Shenling Baizhu Powder; T helper type 17 cells; Treg cells; Chinese medicine
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Funding
- National Natural Science Foundation of China [81703956, 81830114, 81774164]
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High-dose Shenling Baizhu Powder showed ameliorating effects on Pi-deficiency-induced functional diarrhea in rats, potentially due to its modulation of intestinal absorption function and adaptive immunity in mesenteric lymph nodes.
Objective To explore the mechanism of Pi (Spleen)-deficiency-induced functional diarrhea (FD) model rats treated by Shenling Baizhu Powder ((sic)& x82d3;(sic)(sic), SBP). Methods Thirty male Sprague-Dawley rats were randomly divided into 5 groups including control, model, low-, medium-, and high-dose SBP groups (SBPLDG, SBPMDG, SBPHDG), 6 rats in each group, respectively. Pi-deficiency-induced FD rats model was developed throughRadix et RhizomaRhei gavage for 7 days. After modeling, the rats were treated with 3 doses of SBP [0.93, 1.86, and 3.72 g/(kg center dot d)], and the rats in the control and model groups were given pure water for 7 days. The diarrhea index was calculated. On the 7th and 14th days, the traveled distance of rat was measured by the open field test. Serum D-xylose content was determined by the phloroglucinol method and interleukin (IL)-10 and IL-17 levels were measured using an enzyme-linked immunosorbent assay kit. The content of Treg cells was determined by flow cytometry. Results Compared with the control group, the diarrhea index and IL-17 level in the model group were significantly higher and the total exercise distance and D-xylose content significantly decreased (P>0.05). The expression of IL-10 in the SBPHDG group was significantly up-regulated, and serum D-xylose level and Treg cells increased significantly compared with the model group (P>0.05). Conclusion High-dose SBP exhibited ameliorating effects against Pi-deficiency induced FD, which might be attributed to its modulations on intestinal absorption function as well as adaptive immunity in mesenteric lymph nodes of rat.
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