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PMID |
Sentence |
1 |
21782840
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Emphasized are the cyclic AMP, protein kinase A, and Epac2-mediated actions of GLP-1 to regulate ATP-sensitive K? channels, voltage-dependent K? channels, TRPM2 cation channels, intracellular Ca? release channels, and Ca?-dependent exocytosis.
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2 |
1374102
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H-8, an inhibitor of protein kinase A, reversed the inhibitory effect of cAMP on nuclear transcription of the IL-2 gene, suggesting that this is mediated through activation of protein kinase A.
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3 |
1329527
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These data demonstrate that activation of protein kinase A is primarily responsible for mediating gastrin smooth muscle relaxation produced by adrenergic agents and various neuropeptides.
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4 |
8177049
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A protein kinase A (PKA) inhibitor (H8 in low concentrations) abolished cAMP and PTH effects, but not those of insulin, whereas the PKC inhibitors (sphingosine and high concentrations of H8) did abolish the effects of insulin.
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5 |
7535425
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The protein kinase A inhibitor, Rp-cAMPS, at 100 microM, completely inhibited the relaxant effect of an EC50 concentration of galanin (3 nM), but only inhibited that by VIP by 80% (p < 0.05).
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6 |
8922360
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These results suggest that a signaling pathway that results in the activation of protein kinase A regulates leptin gene expression in 3T3-L1 adipocytes.
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7 |
11353772
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Recombinant protein kinase A (PKA) could phosphorylate phogrin directly.
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8 |
11812759
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In vitro lipolysis regulation and stoichiometric properties of the final step in lipolysis activation, namely the protein kinase A (PKA)-hormone sensitive lipase (HSL) complex, were investigated in isolated visceral (i.e., omental) fat cells.
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9 |
11978789
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The prosurvival effects of GLP-2 on LY294002-induced cell death were independent of Akt, p90(Rsk), or p70 S6 kinase activation; were mimicked by forskolin; and were abrogated by inhibition of protein kinase A (PKA) activity.
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10 |
12663466
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The [Ca(2+)](i) responses to ghrelin were markedly attenuated by inhibitors of protein kinase A (PKA) but not protein kinase C and by a blocker of N-type but not L-type Ca(2+) channels.
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11 |
12663469
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Blocking Ca(2+) influx with verapamil, or inhibiting protein kinase A (PKA) with H89, prevented glucose-induced Erk-1/2 phosphorylation.
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12 |
12810697
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On activation of protein kinase A, HSL-GFP translocates to lipid droplets only in cells that express fully phosphorylatable perilipin A, confirming that perilipin is required to elicit the HSL translocation reaction.
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13 |
12897058
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Aquaporin 2 (AQP2) phosphorylation at Ser-256 by protein kinase A (PKA) is a key signal for vasopressin-stimulated AQP2 insertion into the plasma membrane in renal cells.
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14 |
16293713
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In contrast, glucagon down-regulated alpha- and pi-class GST expression, and mechanistic research implicated cAMP and protein kinase A in this process (Kim et al., 2003b).
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15 |
16873684
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We observed that 10 mmol/l glucose-induced CREB phosphorylation was totally inhibited by the protein kinase A (PKA) inhibitor H89 (2 micromol/l) and reduced by 50% with the extracellular signal-regulated kinase (ERK)1/2 inhibitor PD98059 (20 micromol/l).
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16 |
17578889
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Moreover, in depolarized islets incubated with 2.8 mM glucose, activation of protein kinase C or protein kinase A potentiated insulin release; however, under these conditions, resveratrol was ineffective.
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17 |
17639022
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Glucagon-like peptide-1 (GLP-1) rescues insulin secretory deficiency in type 2 diabetes partly via cAMP actions on exchange protein directly activated by cAMP (Epac2) and protein kinase A (PKA)-activated Rab3A-interacting molecule 2 (Rim2).
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18 |
19018281
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In rat HSL Ser563, Ser659 and Ser660 have been shown to be phosphorylated by protein kinase A (PKA) in vitro as well as in vivo.
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19 |
19188511
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In contrast, blockade of AMP-activated protein kinase, calcium/calmodulin-dependent kinase II, calcium/calmodulin-dependent kinase kinase, serine/threonine protein kinase B, protein kinase A, extracellular signal-regulated kinase 1/2, and p38 mitogen-activated protein kinase did not affect nucleotide-mediated eNOS phosphorylation.
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20 |
19666909
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Arginine vasopressin (AVP) binding to the V2 receptor (V2R) in renal collecting duct principal cells induces a cAMP signalling cascade resulting in the activation of protein kinase A (PKA), translocation of aquaporin-2 (AQP2) to the apical membrane and an increase in AQP2 expression.
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21 |
20733001
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After a meal, insulin suppresses lipolysis through the activation of its downstream kinase, Akt, resulting in the inhibition of protein kinase A (PKA), the main positive effector of lipolysis.
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22 |
19817800
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Until recently, cAMP was generally thought to potentiate insulin secretion through protein kinase A (PKA) phosphorylation of proteins associated with the secretory process.
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23 |
20635178
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Protein kinase A was not involved in mediating exendin-4 action on CXCL10.
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24 |
14693691
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Although GLP-1 is established to be a cAMP-elevating agent, these studies demonstrate that protein kinase A (PKA) is not the only cAMP-binding protein by which GLP-1 acts.
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25 |
20188216
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Protein kinase A (PKA) is a multi-unit protein kinase that mediates signal transduction of G-protein-coupled receptors through its activation by adenyl cyclase (AC)-mediated cAMP.
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26 |
21270264
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Furthermore, pretreatment of MIN-6 cells with phospholipase C (PLC) inhibitors with different mechanisms of action, U-73122 and neomycin, and knockdowns of the IL-6 receptor and PLC-?(1), but not with a protein kinase A inhibitor, H-89, inhibited IL-6-induced enhancement of GSIS.
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27 |
21332406
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At the same time expression of the adiponectin gene/protein and its receptor, AdipoR2, increased in adipose tissue and/or plasma, accompanied by increased activation of hepatic AMP-activated protein kinase, a marker of fatty acid oxidation.
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28 |
10909973
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Here we demonstrate that the signaling mechanism underlying stimulatory effects of GLP-1 on insulin gene transcription results from protein kinase A (PKA)-independent activation of the RIP1 CRE.
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29 |
21296063
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Metoprolol induced a shift from protein kinase A to protein kinase B-mediated signaling, associated with a shift in the phosphorylation patterns of BCl-2 and Bad which favored BCl-2 action.
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30 |
21356520
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GLP-1 receptor-mediated signaling leading to insulin secretion occurs via cyclic AMP stimulated protein kinase A (PKA)- as well as guanine nucleotide exchange factor-mediated pathways.
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31 |
16643859
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We have recently shown that the pancreatic hormone glucagon-induced phosphorylation of mitogen-activated protein (MAP) kinase ERK 1/2 as well as growth and proliferation of rat glomerular mesangial cells (MCs) via activation of cAMP-dependent protein kinase A (PKA)- and phospholipase C (PLC)/Ca2+-mediated signaling pathways.
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32 |
21325617
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Serum from GHR-deficient subjects also caused reduced expression of RAS, PKA (protein kinase A), and TOR (target of rapamycin) and up-regulation of SOD2 (superoxide dismutase 2) in treated cells, changes that promote cellular protection and life-span extension in model organisms.
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33 |
20374430
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This GLP-1R-dependent action was mediated via the protein kinase A and phosphoinositide 3-kinase signaling pathways, with the MAPK pathway playing a minor role.
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34 |
21539874
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The suppressive effect of somatostatin on ANP secretion was attenuated by the pretreatment with an inhibitor for adenylyl cyclase (MDL-12330A, 5?M) or protein kinase A (KT 5720, 0.1?M).
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35 |
17009729
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Upon activation of protein kinase A (PKA), two proteins, hormone-sensitive lipase (HSL) and perilipins, are phosphorylated.
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36 |
21593184
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In rat renal proximal tubule, GLP-1 significantly reduced Na(+)/H(+) exchanger isoform 3 (NHE3)-mediated bicarbonate reabsorption via a protein kinase A (PKA)-dependent mechanism.
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37 |
19029992
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In endothelial cells, adiponectin enhances production of nitric oxide, suppresses production of reactive oxygen species, and protects cells from inflammation that results from exposure to high glucose levels or tumor necrosis factor, through activation of AMP-activated protein kinase and cyclic AMP-dependent protein kinase (also known as protein kinase A) signaling cascades.
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38 |
12351429
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TNF-alpha treatment caused an electrophoretic shift of perilipin from 65 to 67 kDa, consistent with perilipin hyperphosphorylation by activated cAMP-dependent protein kinase A (PKA).
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39 |
15111495
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Mechanistically, although the activity of protein kinase A (PKA) was greatly increased in caveolin-1 null adipocytes, the phosphorylation of perilipin was dramatically reduced, indicating that caveolin-1 may facilitate the PKA-mediated phosphorylation of perilipin.
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