ACTA VETERINARIA ET ZOOTECHNICA SINICA ›› 2018, Vol. 49 ›› Issue (4): 818-824.doi: 10.11843/j.issn.0366-6964.2018.04.020

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Effects of Betulinic Acid on Intestinal Mucosal Damage Induced by Cyclophosphamide in Mice

WANG Xi-hong1, ZHU Li-juan1, YI Xiang-lian1, ZHAO Jing1, XIANG Si-ting1, TAN Zhu-liang1, YUAN Zhi-hang1*, YI Jin-e1,2*   

  1. 1. College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China;
    2. Hunan Co-innovation Center Production Safety, Changsha 410128, China
  • Received:2017-10-11 Online:2018-04-23 Published:2018-04-23

Abstract:

The experiment was conducted to evaluate the effect of betulinic acid (BA) on intestinal oxidative damage induced by cyclophosphamide (Cy) in mice. Male Kunming mice were randomly divided into 5 groups:control group (NC), Cy group, 0.5 mg·kg-1 BA group, 5.0 mg·kg-1 BA group and 50.0 mg·kg-1 BA group. The control and Cy group were administered orally with 1% starch and the other groups were administered orally with different doses of BA (0.5, 5.0, and 50.0 mg·kg-1) daily for 14 days. The model of intestinal oxidative damage was set up in mice induced by Cy at the dosage of 50 mg·kg-1 bw for 2 days after last administration of BA. The liver, spleen and thymus index of mice were measured, the activity of secretory immunoglobulin a (SIgA) in intestinal mucosa and the levels of the superoxide dismutase (SOD), malondialdehyde (MDA) and glutathione (GSH) in intestine and serum were determined. BA pretreatment relieved atrophy of thymus, spleen and liver, inhibited the decline of SIgA activity in intestinal mucosa induced by Cy. Pretreatment with BA reduced the contents of GSH and MDA in small intestine and serum induced by Cy, but had no effect on SOD activity. BA could improve intestinal lipid peroxidation and increase the secretion of SIgA in the intestine mucosa and shows preventive protection of Intestinal oxidative damage induced by Cy.

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