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- W3037003589 abstract "Objective The purpose of this study was to investigate the effect of oxycodone on myocardial ischemia-reperfusion injury in rats through the Ras homolog gene family member A (RhoA)/Rho-associated coiled-coil containing protein kinase 1 (ROCK1) signaling pathway. Materials and methods A total of 48 Sprague-Dawley (SD) rats were randomly divided into sham operation group, model group, oxycodone group, and inhibitor group, with 12 rats in each group. The rats in the sham operation group only underwent thoracotomy without ischemia-reperfusion injury, those in the model group were used to prepare the myocardial ischemia-reperfusion model with normal saline intervention, those in the oxycodone group were used to prepare the myocardial ischemia-reperfusion model with oxycodone intervention, and those in the inhibitor group were utilized to prepare the myocardial ischemia-reperfusion model with AG490 intervention. Then, the expressions of B-cell lymphoma 2 (Bcl-2) and Bcl-2-associated X protein (BAX) were detected by immunohistochemistry, the relative protein expressions of RhoA and ROCK1 were examined via Western blotting, and the messenger ribonucleic acid (mRNA) expressions of Bcl-2 and BAX were measured by quantitative Polymerase Chain Reaction (qPCR). Thereafter, terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) was adopted for apoptosis detection, and the levels of creatine kinase-muscle/brain (CK-MB), and cardiac Troponin I (cTnI) in serum were detected using an automatic biochemical analyzer. Results Immunohistochemistry results showed that compared with those in the sham operation group, the positive expression of BAX was remarkably increased (p 0.05). According to Western blotting results, the relative protein expressions of RhoA and ROCK1 in the model group, oxycodone group, and inhibitor group were notably increased compared with those in the sham operation group (p 0.05). Moreover, it was discovered from qRT-PCR results that compared with those in the sham operation group, the mRNA expression of BAX was markedly raised (p 0.05). In addition, TUNEL assay results manifested that compared with sham operation group, model group, oxycodone group, and inhibitor group had a markedly elevated apoptosis rate (p 0.05). According to biochemical analysis results, the serum levels of CK-MB and cTnI in model group, oxycodone group, and inhibitor group were significantly increased compared with those in the sham operation group, with statistically significant differences (p 0.05). Conclusions Oxycodone inhibits myocardial cell apoptosis after myocardial ischemia-reperfusion injury by suppressing the RhoA/ROCK1 signaling pathway." @default.
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- W3037003589 date "2020-06-01" @default.
- W3037003589 modified "2023-09-27" @default.
- W3037003589 title "Oxycodone inhibits myocardial cell apoptosis after myocardial ischemia-reperfusion injury in rats via RhoA/ROCK1 signaling pathway" @default.
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