• 1. Department of General Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, P. R. China;
  • 2. Key Laboratory of Hubei Province for Digestive System Disease, Wuhan 430060, P. R. China;
WANG Weixing, Email: sate.llite@163.com
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Objective  To explore effects of macrophage migration inhibitory factor (MIF) inhibitor ISO-1 on intestinal injury in acute necrotic pancreatitis in pregnancy (ANPIP) rat. Methods  Twenty-four pregnant SD rats were randomly averagely divided into three groups: a sham operation (SO) group, an ANP group, and an ANP model plus ISO-1 treatment group (ISO-1 group). A rat model of ANP was induced by the retrograde injection of 5% sodium taurocholate into the biliopancreatic duct. The rats were killed and the inferior vena cava blood and the tissues of pancreas and jejunum were harvested at 12 h after the operation. The serum amylase (AMY), lipase (LIP), diamine oxidase (DAO), interleukin (IL)-1β, and IL-6 levels were measured. The pancreatic and jejunal tissues were taken for the pathological examination scoring. The immunohistochemical method was used to detect the expression of the MIF, nuclear factor (NK)-κB, or tumor necrosis factor (TNF)-α protein. Results  ① Compared with the SO group, the serum AMY, LIP, DAO, IL-1β, and IL-6 levels were increased in the ANP group (P<0.050), which in the ISO-1 group were decreased as compared with the ANP group, the DAO, IL-1β, and IL-6 levels had significant differences (P<0.050), but the AMY and LIP levels had no significant differences (P>0.050). ② The pathological points of the pancreas and jejunum tissues were increased in the ANP group as compared with the SO group, which were significantly decreased in the ISO-1 group as compared with the ANP group (P<0.050). ③ The average integrated optical density divide by area of the NF-κB,TNF-α, and MIF were significantly increased in the ANP group as compared with the SO group, which were significantly decreased in the ISO-1 group as compared with the ANPgroup (P<0.050). Conclusions  MIF inhibitor ISO-1 could protect intestinal injury in ANPIP rat. It is suggested that MIF is one of mechanisms in ANPIP with intestinal injury and might be correlated with activities of TNF-α and NF-κB.

Citation: YOU Yundong, ZHAO Liang, MEI Fangchao, HONG Yupu, WANG Weixing. Effects of macrophage migration inhibitory factor inhibitor ISO-1 on intestinal injury induced by acute necrotic pancreatitis in pregnant rat model. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2018, 25(11): 1308-1312. doi: 10.7507/1007-9424.201805101 Copy

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