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Year : 2014  |  Volume : 27  |  Issue : 4  |  Page : 801-808

Histological study on the possible protective effect of pentoxifylline on pancreatic acini of l-arginine-induced acute pancreatitis in adult male albino rats

Department of Histology, Faculty of Medicine, Menoufiya University, Menoufiya, Egypt

Correspondence Address:
Walaa Abdellah Ismail Ibrahim Esa
Masged Elkhedr, Elbagour, Menoufiya
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1110-2098.149789

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Objective The aim of this study was to determine the histological changes of l-arginine-induced acute pancreatitis and the possible protective effect of pentoxifylline on pancreatic acini in adult male albino rats. Background Acute pancreatitis is a reversible inflammation that is either localized to the pancreas or may spread to adjoining tissues. Materials and methods Forty adult male albino rats weighing 180-200 g each were used in this study. The rats were divided into four equal groups (10 rats each). Group I was the control group. In group II (l-arginine-treated), rats were administered two intraperitoneal injections of l-arginine at a dose of 200 mg/100 g/body weight with 1-h interval. They were randomly subdivided into two equal subgroups: in IIA, rats were killed after 24 h of the last l-arginine injection and in IIB, rats were killed after 1 week of the last l-arginine injection. In group III (l-arginine and pentoxifylline-treated), rats were administered l-arginine and pentoxifylline. l-arginine was given similar to group II and pentoxifylline was given as a single intraperitoneal injection at a dose of 12 mg/kg body weight/day. They were randomly subdivided into two equal subgroups: in IIIA, rats were given a single dose of pentoxifylline then were killed after 24 h and in subgroup IIIB, rats were given pentoxifylline daily for 1 week then were killed. In group IV (pentoxifylline-treated), rats were administered pentoxifylline as a single intraperitoneal injection of 12 mg/kg body weight/day for 1 week then rats were killed. Results l-arginine-treated rats for 24 h showed pancreatic edema, degenerative changes of pancreatic acini, and inflammatory cell infiltration. These changes were marked after 1 week; however, pentoxifylline supplementation in group III showed amelioration of the histological picture, which was marked after daily pentoxifylline treatment for a week. Conclusion It is concluded that pentoxifylline was found to improve the histological changes of pancreatic acini caused by l-arginine.

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