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| Wang,Z.Y.; Zhang,W.; Li,X.Z.; Han,Y.; Chen,Y.P.; Liu,Z.; Xie,L.P.; Ji,Y.; Lu,X.. |
| The efficacy of endothelin receptor antagonists in protecting against myocardial ischemia/reperfusion (I/R) injury is controversial, and the mechanisms remain unclear. The aim of this study was to investigate the effects of CPU0123, a novel endothelin type A and type B receptor antagonist, on myocardial I/R injury and to explore the mechanisms involved. Male Sprague-Dawley rats weighing 200-250 g were randomized to three groups (6-7 per group): group 1, Sham; group 2, I/R + vehicle. Rats were subjected to in vivo myocardial I/R injury by ligation of the left anterior descending coronary artery and 0.5% sodium carboxymethyl cellulose (1 mL/kg) was injected intraperitoneally immediately prior to coronary occlusion. Group 3, I/R + CPU0213. Rats were subjected... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Endothelin receptor antagonist; Myocardial ischemia/reperfusion injury; Akt; ENOS. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2011001100011 |
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| Xing,Xiaowei; Guo,Shuang; Zhang,Guanghao; Liu,Yusheng; Bi,Shaojie; Wang,Xin; Lu,Qinghua. |
| Reperfusion strategies in acute myocardial infarction (AMI) can cause a series of additional clinical damage, defined as myocardial ischemia/reperfusion (I/R) injury, and thus there is a need for effective therapeutic methods to attenuate I/R injury. miR-26a-5p has been proven to be an essential regulator for biological processes in different cell types. Nevertheless, the role of miR-26a-5p in myocardial I/R injury has not yet been reported. We established an I/R injury model in vitro and in vivo. In vitro, we used cardiomyocytes to simulate I/R injury using hypoxia/reoxygenation (H/R) assay. In vivo, we used C57BL/6 mice to construct I/R injury model. The infarct area was examined by TTC staining. The level of miR-26a-5p and PTEN was determined by... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Acute myocardial infarction; MiR-26a-5p; PTEN; Apoptosis; PI3K/AKT pathway; Myocardial ischemia/reperfusion injury. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2020000200601 |
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