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Study on the mechanism of Dahuangfuzi decoction in improving intestinal motility disorder of rats with severe acute pancreatitis / 中华急诊医学杂志
Chinese Journal of Emergency Medicine ; (12): 954-959, 2021.
Article in Chinese | WPRIM | ID: wpr-907736
ABSTRACT

Objective:

To explore the mechanism of Dahuangfuzi decoction on intestinal motility disorder by observing its effect on serum motilin, Cajal interstitial cells and motilin receptor in rats with severe acute pancreatitis (SAP).

Methods:

Eighteen clean male Sprague-Dawley rats were randomly divided into the control group, SAP group and Dahuangfuzi group ( n=6 each group). The SAP rat model was prepared by retrogradely injected 4% sodium taurocholate into cholangiopancreatic duct. The rats in the SAP group were given 2 mL normal saline (37℃) enema at 12 and 24 h after operation. The rats in the Dahuangfuzi group was given 2 mL Dahuangfuzi decoction (37℃) enema at 12 and 24 h respectively. For the control group, the pancreas was exposed in the same way and then the abdomen was closed. Forty-eight h after operation, the abdominal aorta blood samples were taken for determination of serum endotoxin and amylase, and for detection of serum motilin by enzyme-linked immunosorbent assay (ELISA); the pathological changes of pancreas and ileum were observed by hematoxylin-eosin (HE) staining. The expression of c-kit and motilin receptor protein in ICC in ileum tissue was detected by immunohistochemistry.

Results:

Compared with the control group, the levels of serum endotoxin and amylase in the SAP group were significantly higher [(504.98±88.81) pg/mL vs. (17.76±5.01) pg/mL; (532.28±66.53) vs. (69.45±3.61) U/L, P<0.05], while the levels of serum motilin were significantly lower [(195.4±6.7) ng/L vs. (301±8.10) ng/L, P<0.05], and the scores of c-kit and motilin receptor protein were decreased ( P<0.05); compared with the SAP group, the levels of serum endotoxin and amylase in the Dahuangfuzi group were significantly reduced [(189.9±38.23) pg/mL vs. (504.98±88.81) pg/mL; (294.23±25.66) vs. (532.28±66.53) U/L, P<0.05], while the levels of serum motilin were significantly increased [(264.2±8.3) ng/L vs. (195.4±6.7) ng/L, P<0.05], and the scores of c-kit and motilin receptor protein were increased ( P<0.05).

Conclusions:

Dahuangfuzi decoction can improve the intestinal motility of SAP rats by promoting the secretion of motilin, increasing the activity of ICC cells and the expression of motilin receptor.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Emergency Medicine Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Emergency Medicine Year: 2021 Type: Article