نتایج جستجو برای: alpha subunit apoptosis hypoxia inducible factor 1 ischemia mirn155 microrna
تعداد نتایج: 3710468 فیلتر نتایج به سال:
Delayed ischemic preconditioning effectively protects kidneys from ischemia-reperfusion injury but the mechanism underlying renal protection remains poorly understood. Here we examined the in vivo role of microRNA miR-21 in the renal protection conferred by delayed ischemic preconditioning in mice. A 15-min renal ischemic preconditioning significantly increased the expression of miR-21 by 4 h a...
Many reports showed that hypoxia-inducible factor-1 (HIF-1 ), the main factor activated by hypoxia, plays a role in the transcriptional regulation of the human telomerase reverse transcriptase (hTERT), one of the critical elements of the oncogenic process. As a hypoxia-mimetic agent, cobalt chloride (CoCl2) can induce the accumulation of HIF-1 . Herein, we demonstrated that hTERT expression was...
In the present study, we show a biphasic activation of hypoxia inducible factor 1alpha (HIF-1) after stroke that lasts for up to 10 d, suggesting the involvement of the HIF pathway in several aspects of the pathophysiology of cerebral ischemia. We provide evidence that HIF-1-mediated responses have an overall beneficial role in the ischemic brain as indicated by increased tissue damage and redu...
Apoptosis is a component of cardiac remodeling following myocardial ischemia and infarction. MicroRNAs (miRNAs) are involved in regulating a range of cellular biological processes, including apoptosis, by regulating gene expression at the post-transcriptional level. Nuclear respiratory factor-1 (NRF-1) is a transcriptional activator of nuclear genes that encode a range of mitochondrial proteins...
Abstract Introduction: Blood cardioplegia (BC) and Custodiol (CC) have been used for a long time in open heart surgery are highly effective solutions. The most controversial issue among these two is whether there any difference between them regarding myocardial damage after ischemia surgery. In this study, autophagy, apoptosis, hypoxia markers were investigated that way we evaluated the differe...
Institute Georges Lopez preservation solution (IGL-1) has been demonstrated to be useful for fatty liver preservation. The mechanisms responsible for this effective graft protection against ischemia-reperfusion injury are pivotal actions on generation of nitric oxide a diffusible molecule with vasodilator properties, that facilitates the up-regulation of other well-known cytoprotective genes, s...
INTRODUCTION Pyramidal (glutamatergic) neurons and interneurons are morphologically and functionally well defined in the central nervous system. Although it is known that glutamatergic neurons undergo immediate cell death whereas interneurons are insensitive or survive longer during cerebral ischemia, the protection mechanisms responsible for this interneuronal survival are not well understood....
AIM To study the role of hypoxia-inducible factor 1-alpha (HIF-1alpha) on hypoxia-induced apoptosis in primary neonatal rat ventricular myocytes. METHODS Primary neonatal rat ventricular myocytes were exposed to hypoxia for 24 hours. HIF-1alpha activity was suppressed by treating the cells with 3-(5'-hydroxymethyl-2'- furyl)-1-benzyl indazole (YC-1). The degree of cell apoptosis was assessed ...
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