نتایج جستجو برای: مقدار pka
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Inflammatory molecules sensitize peripheral nociceptors, making them responsive to innocuous stimuli. Sensitization is mediated by protein kinase A (PKA), but the ion channels involved are not known. PKA increases expression of voltage-gated sodium channels, but knock-out of these channels does not eliminate inflammation-induced sensitization. PKA also decreases potassium currents, but the perc...
Transcription factor Sp1 is a phosphoprotein whose level and DNA binding activity are markedly increased in doxorubicin-resistant HL-60 (HL-60/AR) leukemia cells. The trans-activating and DNA binding properties of Sp1 in HL-60/AR cells are stimulated by cAMP-dependent protein kinase (PKA) and PKA agonists and inhibited by PKA antagonists as well as by the PKA regulatory subunit. Reporter gene a...
The dynamics of PKA activity in the olfactory learning and memory center, the mushroom bodies (MBs), are still poorly understood. We addressed this issue in vivo using a PKA FRET probe. Application of dopamine, the main neuromodulator involved in aversive learning, resulted in PKA activation specifically in the vertical lobe, whereas octopamine, involved in appetitive learning, stimulated PKA i...
Inflammatory mediators through the activation of the protein kinase A (PKA) pathway sensitize primary afferent nociceptors to mechanical, thermal, and osmotic stimuli. However, it is unclear which ion conductances are responsible for PKA-induced nociceptor hyperexcitability. We have previously shown the abundant expression of Slack sodium-activated potassium (K(Na)) channels in nociceptive dors...
Signaling through the cyclic adenosine monophosphate-dependent protein kinase [protein kinase A (PKA)] is an important and widely studied area of signal transduction research. This signaling pathway is commonly investigated through the use of the pharmacological PKA inhibitors H89 and KT 5720. Both of these compounds are thought to block PKA actions through competitive inhibition of the adenosi...
The use of ashes derived from various waste sources as supplements to synthesized ceramic reinforcement in metal matrices has been established. However, studies involving a combination particulates three different are rare. In bid further knowledge this aspect research and develop green aluminium composite for automobile applications, the present investigation studied implication adding palm ke...
Adrenal cortex physiology relies on functional zonation, essential for production of aldosterone by outer zona glomerulosa (ZG) and glucocorticoids by inner zona fasciculata (ZF). The cortex undergoes constant cell renewal, involving recruitment of subcapsular progenitors to ZG fate and subsequent lineage conversion to ZF identity. Here we show that WNT4 is an important driver of WNT pathway ac...
The catalytic subunit of cyclic AMP-dependent protein kinase (PKA) phosphorylated purified calcium/calmodulin-dependent eukaryotic elongation factor-2 (eEF-2) kinase, isolated from rabbit reticulocyte lysates. It maximally incorporated about 1 mol of phosphate/mol of eEF-2 kinase. The Km of eEF-2 kinase for PKA was calculated to be 7 microM. Phosphorylation of eEF-2 kinase by PKA induced calciu...
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