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ISSN: 1734-1922
Archives of Medical Science
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vol. 15
 
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abstract:
Experimental research

Ethyl pyruvate treatment ameliorates pancreatic damage: evidence from a rat model of acute necrotizing pancreatitis

Serdar Turkyilmaz, Arif Burak Cekic, Arif Usta, Etem Alhan, Birgül Vanizor Kural, Cengiz Ercin, Kutay Sağlam

Arch Med Sci 2019; 15, 1: 232–239
Online publish date: 2017/01/23
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Introduction
Ethyl pyruvate (EP), a natural flavoring and fragrance agent, has been shown to exert anti-inflammatory and antioxidant actions. We tested the potential beneficial effects of EP in a rat model of acute necrotizing pancreatitis (ANP), a serious condition with a significant inflammatory explosion and oxidative stress.

Material and methods
Fifty-two adult male Sprague-Dawley rats were divided into four groups: sham + saline, sham + EP, ANP + saline, and ANP + EP. The ANP was induced by glycodeoxycholic acid and cerulein. Animals were sacrificed at 48 h and biochemical, hematological, and histological markers of ANP and inflammation were assessed. The extent of mortality, systemic cardiorespiratory variables, pancreatic microcirculation, renal/hepatic functions, acinar cell injury and enzyme markers for pancreas and lung tissues were investigated.

Results
The EP-treated ANP group presented significantly lower mortality than the untreated ANP group (44% (7/16) vs. 19% (3/16), respectively, p < 0.05). Administration of EP resulted in significantly lower levels of IL-6 (ANP + saline: 5470 ±280 vs. ANP + EP: 2250 ±180 pg/ml, p < 0.05). Compared with the ANP group, the ANP + EP group had a lower pancreatic necrosis score (1.45 ±0.2 vs. 0.96 ±0.2, p < 0.05). Moreover, intraperitoneal EP administration had a positive effect on most indices of pancreatitis (amylase and alanine transaminase levels) and lung damage (except lung malondialdehyde levels) as they decreased towards baseline values.

Conclusions
The results from this experimental study indicate that EP, a nontoxic chemical approved by the Food and Drug Administration as a food additive, provides positive effects on the course of pancreatitis, suggesting potential usefulness in management of ANP.

keywords:

pancreatitis, rat, ethyl pyruvate, acute necrotizing pancreatitis

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