Journal
INTERNATIONAL IMMUNOPHARMACOLOGY
Volume 38, Issue -, Pages 186-193Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.intimp.2016.05.025
Keywords
Crocetin ester; Myocardial ischemia; Rho; NF-kappa B
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Crocetin ester (CE) is the active ingredient of Crocus sativus L. stigmas and Gardenia jasminoides Ellis fruit. The main purpose of the present study was to investigate the protective effect of CE on isoproterenol (ISO)-induced acute myocardial ischemia (AMI) through Rho/ROCK/NF-kappa B pathway and explore its underlying mechanism. Administration of CE (25 and 50 mg/kg) could significantly reduce the serum contents of pro-inflammatory cytokines including tumor necrosis factor-alpha (TNF-alpha), interleukin-1 beta (IL-1 beta) and interleukin-6 (IL-6). In addition, pretreatment with CE attenuated the contents of creatine kinase (CK), malondialdehyde (MDA) and the activities of lactate dehydrogenase (LDH), superoxide dismutase (SOD) in serum. Treatment with CE also improved the histopathological alteration and decreased the ST elevation. Furthermore, CE could ameliorate the cardiac expressions of Cu, Zn-superoxide dismutase (SOD1), MDA5, Rho, ROCK, p-I kappa B and p-NF-kappa Bp65 in ISO-induced rats. It was assumed that CE might be a new therapeutic candidate for the treatment of AMI possibly through the inhibition of Rho/ROCK/NF-kappa B pathway. (C) 2016 Elsevier B.V. All rights reserved.
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