Increased Rho kinase activity in patients with heart ischemia/reperfusion
2019
Background/Aim:Rho kinase is a downstream effector of Rho GTPase that is known to regulate various pathological processes. The aim of this study was to evaluate the regulation of Rho kinase activity in leukocytes in patients with ischemia/reperfusion (I/R) injury.Patients and Methods:We investigated 38 patients with acute ST-segment elevation myocardial infarction (STEMI), 26 patients with atherosclerosis (AS) and 22 normal subjects. All patients underwent coronary angiography (CAG) and all STEMI patients received primary percutaneous coronary intervention (PPCI) of the left anterior descending artery (LAD) within 12 h after chest pain on-set. Blood samples for leukocyte Rho kinase activity were obtained before CAG and 3 and 24 hours after CAG/PCI.Results:Rho kinase activity increased in the I/R and AS groups. Compared with the AS group, Rho kinase activity was significantly higher in peripheral blood leukocytes in STEMI/PPCI. Furthermore, there was no correlation between changes in Rho kinase activity an...
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