نتایج جستجو برای: dependent kinase ii
تعداد نتایج: 1374313 فیلتر نتایج به سال:
INTRODUCTION Angiotensin II (Ang II) contributes to the pathological process of vascular structures, including renal glomeruli by hemodynamic and nonhemodynamic direct effects. On renal effects, Ang II plays an important role in the development of proteinuria and glomerulosclerosis by the modification of podocyte molecules and cell survival. In the present study, we investigated the effect of A...
Transcription factor IIH (TFIIH) is a multisubunit complex required for transcription and for DNA nucleotide excision repair. TFIIH possesses three enzymatic activities: (i) an ATP-dependent DNA helicase, (ii) a DNA-dependent ATPase, and (iii) a kinase with specificity for the carboxyl-terminal domain of RNA polymerase II. The kinase activity was recently identified as the cdk (cyclin-dependent...
Activation of cAMP-dependent protein kinase II by static and dynamic steady-state cAMP levels was studied by reconstituting an in vitro model system composed of hormone-sensitive adenylate cyclase, cyclic nucleotide phosphodiesterase, and cAMP-dependent protein kinase II. The rates of cAMP synthesis were regulated by incubating isolated membranes from AtT20 cells with various concentrations of ...
The main regulators of aldosterone secretion in adrenal gland zona glomerulosa (ZG) cells are the hormones angiotensin II (Ang II) and adrenocorticotrophin (ACTH) and small increases in the extracellular potassium (K(+)) concentration. The action of these agonists is mediated by different signalling systems - ACTH is mediated by cAMP and activation of protein kinase A while Ang II and K(+) acti...
Light-dependent reduction of the plastoquinone pool regulates the activity of the thylakoid-bound protein kinase which phosphorylates the light harvesting chlorophyll a,b-protein complex (LHC II) and regulates energy distribution between photosystems II (PS II) and I (Staehelin, L. A., and C. J. Arntzen, 1983, J. Cell Biol., 97:1327-1337). Since reduction of plastoquinone by PS II is abolished ...
BACKGROUND approximately half of patients with heart failure die suddenly as a result of ventricular arrhythmias. Although abnormal Ca(2+) release from the sarcoplasmic reticulum through ryanodine receptors (RyR2) has been linked to arrhythmogenesis, the molecular mechanisms triggering release of arrhythmogenic Ca(2+) remain unknown. We tested the hypothesis that increased RyR2 phosphorylation ...
The roles of Ca(2+)/calmodulin-dependent protein kinase II (CaM kinase II) and mitogen-activated protein kinase (MAPK) in long-term potentiation (LTP) were investigated in the CA1 area of hippocampal slices, using electrophysiological and biochemical approaches. A brief high-frequency stimulation, but not low-frequency stimulation, delivered to Schaffer collateral/commissural afferents produced...
The infected-cell protein 22 (ICP22), a regulatory protein encoded by the alpha22 gene of herpes simplex virus 1, is required for the optimal expression of a set of late viral proteins that includes the products of the U(S)11, U(L)38, and U(L)41 genes. ICP22 has two activities. Thus, ICP22 and the U(L)13 protein kinase mediate the activation of cdc2 and degradation of its partners, cyclins A an...
OBJECTIVE Peroxisome proliferator-activated receptor-γ (PPARγ) ligands attenuate angiotensin II (Ang II)-induced atherosclerosis through interactions with vascular smooth muscle cell (VSMC)-specific PPARγ in hypercholesterolemic mice. Therefore, the purpose of this study was to determine the mechanism of Ang II-mediated intracellular regulation of PPARγ in VSMCs. METHODS AND RESULTS Incubatio...
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