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Iranian Journal of Basic Medical Sciences، جلد ۲۷، شماره ۸، صفحات ۹۵۹-۹۶۶
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عنوان انگلیسی L-Arginine-induced acute pancreatitis and its associated lung injury in rats: Down-regulation of TLR-4/MAPK-p38/JNK signaling pathway via Ginkgo biloba extract EGb 761
چکیده انگلیسی مقاله Objective(s): Acute pancreatitis (AP) is an abrupt inflammatory condition characterized by a storm of inflammatory cytokines leading to high morbidity and mortality. The current study aimed to examine the efficacy of Ginkgo biloba extract EGb 761 (GBE) in the treatment of L-arginine-induced AP and its associated lung injury. Materials and Methods: Forty rats were randomly assigned into four groups. The normal group received only saline intraperitoneally while the other groups received two intraperitoneal L-arginine injections (250 mg/100 g b.wt) separated by a 1-hour interval to provoke AP. GBE (200 and 400 mg/kg/day, PO) was administered for 2 weeks post-induction of pancreatitis. Sera and pancreatic tissues were isolated.Results: The outcome of the present study revealed that GBE ameliorated the elevated levels of serum amylase, lipase, and pancreatic inflammatory mediators viz., tumor necrosis factor-alpha (TNF-α), mitogen-activated protein kinase P38 (MAPK-P38), c-Jun N-terminal kinase 1 (JNK1), and nuclear factor-kappa B (NF-κB). Moreover, GBE restored the pancreatic gene expression of Toll-like receptor 4 (TLR4) and prostatic acid phosphatase-2 (PAP-2). Pancreatic and lung histopathological examinations confirmed the aforementioned parameters. Conclusion: GBE interfered with the mechanistic pathway of L-arginine-induced acute pancreatic and its associated lung injury. Due to its anti-inflammatory properties, GBE can be used as a novel therapeutic candidate for the treatment of AP through down-regulating TLR-4/MAPK-p38/JNK and MAPK- p38/NF-κB signaling cascades.
کلیدواژه‌های انگلیسی مقاله Acute pancreatitis, Ginkgo biloba, Inflammation, L-arginine, Lung injury, Rats
نویسندگان مقاله | Rashaa Mostafa
Pharmacology Department, Medical Research and Clinical Studies Institute, National Research Centre (ID: 60014618), Cairo, Egypt


| Sahar Abdelrahmen
Pathology Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt


| Dalia Saleh
Pharmacology Department, Medical Research and Clinical Studies Institute, National Research Centre (ID: 60014618), Cairo, Egypt
نشانی اینترنتی https://ijbms.mums.ac.ir/article_24113.html
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