Huo T, Hu TM, Huang SF. Effect of Huangshu Enema on mast cells and substance P in rats with diarrhea-predominant irritable bowel syndrome.
Shijie Huaren Xiaohua Zazhi 2012;
20:219-223. [DOI:
10.11569/wcjd.v20.i3.219]
[Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To evaluate the effect of Huangshu Enema (HSE) on mast cells in the ileocecal junction and levels of substance P in serum and tissue homogenate of the ileocecal junction in rats with diarrhea-predominant irritable bowel syndrome (D-IBS).
METHODS: Thirty-six female Sprague-Dawley rats were randomly divided into normal control group (n = 9), model control group (n = 9), HSE treatment group (n =9) and Dicetel treatment group (n = 9). A rat model of D-IBS was created by intracolonic instillation of acetic acid and restraint stress. The changes in the number of mast cells in the ileocecal junction of rats were evaluated by the improved Toluidine blue staining method. The contents of substance P in serum and tissue homogenate of the ileocecal junction were determined by ELISA.
RESULTS: The number of mast cells in the ileocecal junction was significantly higher in the model control group than in the normal control group (3.07 ± 0.56 vs 1.47 ± 0.26; t = 7.787, P < 0.01). The contents of substance P in serum and tissue homogenate of the ileocecal junction were significantly higher in the model control group than in the normal control group (600.38 ± 175.25 vs 181.12 ± 40.03, 194.01 ± 35.54 vs 60.01 ± 9.33; t = 6.997, t = 10.943, both P < 0.01). The number of mast cells in the ileocecal junction and the contents of substance P in serum and tissue homogenate of the ileocecal junction were significantly lower in the HSE treatment group than in the model control group (1.53 ± 0.26 vs 3.07 ± 0.56, 237.86 ± 19.75 vs 600.38 ± 175.25, 88.29 ± 5.51 vs 194.01 ± 35.54; all P < 0.01). The number of mast cells in the ileocecal junction and the content of substance P in serum had no significant difference between the HSE treatment group and the Dicetel treatment group (both P > 0.05). The content of substance P in tissue homogenate of the ileocecal junction was significantly lower in the HSE treatment group than in the Dicetel treatment group (88.29 ± 5.51 vs 135.11 ± 34.66, P < 0.05).
CONCLUSION: HSE can reduce the number of mast cells in the ileocecal junction and the contents of substance P in serum and ileocecal junction, thereby exerting a therapeutic effect on D-IBS.
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