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  • Title: Opuntia humifusa ameliorated cerulein-induced acute pancreatitis.
    Author: Choi SB, Bae GS, Park KC, Jo IJ, Seo SH, Song K, Lee DS, Oh H, Kim YC, Kim JJ, Shin YK, Park JH, Seo MJ, Song HJ, Park SJ.
    Journal: Pancreas; 2014 Jan; 43(1):118-27. PubMed ID: 24326366.
    Abstract:
    OBJECTIVE: The aim of this study was to evaluate the effects of Opuntia humifusa (OH) on cerulein-induced acute pancreatitis (AP). METHODS: Acute pancreatitis was induced via intraperitoneal injection of cholecystokinin analog cerulein (50 μg/kg). In the OH pretreatment group, OH was administered intraperitoneally (100, 250, or 500 mg/kg) 1 hour before first cerulein injection. In the posttreatment group, OH was administered intraperitoneally (500 mg/kg) 1 hour after the first cerulein injection. Furthermore, we isolated the pancreatic acinar cells using collagenase method, then investigated the acinar cell viability, cytokine productions, and the regulating mechanisms. RESULTS: The both pretreatment and posttreatment of OH treatment attenuated the severity of AP, as shown by the histology of the pancreas and lung, and inhibited neutrophil infiltration; serum amylase and lipase activities; proinflammatory cytokine expression such as interleukin 1, interleukin 6, and tumor necrosis factor α; and cell death including apoptosis and necrosis. Furthermore, OH inhibited the activation of c-Jun N-terminal kinases. CONCLUSIONS: These results suggest that OH reduces the severity of AP by inhibiting acinar cell death through c-Jun N-terminal kinases.
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