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Title

PREVENTIVE EFFECT OF THREE POMEGRANATE (PUNICA GRANATUM L.) SEEDS FRACTIONS ON CERULEIN-INDUCED ACUTE PANCREATITIS IN MICE

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 Start Page 394 | End Page 404

Abstract

 Background: ACUTE PANCREATITIS (AP) refers to afflicted inflammation of pancreas with unfavorable adverse effects and developed multiple organ failures. Unfortunately, there is not a certain therapeutic method for this disease. Oxidative stress has a serious role in the pathogenesis of AP. Thus, decreasing of oxidative stress may prevent induction and progression of AP. PUNICA GRANATUM L. has been extensively used in traditional medicine and possesses various active biological elements. Due to ANTIOXIDANT and ANTI-INFLAMMATORY properties of pomegranate, it could be considered as a good candidate alternative medicine with beneficial effects on AP. In this study, we decided to study the protective effect of three fractions of pomegranate SEEDS on cerulein-induced AP.Methods: AP was induced in male Syrian mice by five intraperitoneal (i.p.) injection of cerulein (50 mg/kg) with 1 h intervals. Treatments with pomegranate freeze-dried powder (PFDP) and hydroalcoholic pomegranate SEEDS extract (PSE) at doses of 125, 250, 500 mg/kg (i.p.) were started 30 min before pancreatitis induction. Pomegranate seed oil fraction (PSOF) was orally administered (50, 100, 200 mL/kg) and continued for 10 days. Pancreatic tissue was evaluated for histopathological parameters and pancreatic myeloperoxidase (MPO) activity as well as lipase and amylase levels were measured in plasma.Results: The higher doses of three fractions (250 and 500 mg/kg for PFDP and PSE and doses of 100, 200 mL/kg for PSOF) significantly reduced amylase and lipase activity in serum (at least P<0.01), pancreatic MPO activity (P<0.001), edema, leukocyte infiltration and vacuolization in comparison to the control group (P<0.05).Conclusions: These results propose that pomegranate SEEDS fractions can prevent and/or treat the AP.

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