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PMID |
Sentence |
1 |
14977885
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Furthermore, overexpressing profilin in rat aortic endothelial cells triggered 3 indicators of endothelial dysfunction: increased apoptosis, elevated expression of ICAM-1, and decreased phosphorylation of the vasodilator-stimulated phosphoprotein, a marker for nitric oxide signaling.
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2 |
14977885
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The changes in ICAM-1 and vasodilator-stimulated phosphoprotein were recapitulated in the diabetic aorta in vivo.
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3 |
14977885
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Furthermore, overexpressing profilin in rat aortic endothelial cells triggered 3 indicators of endothelial dysfunction: increased apoptosis, elevated expression of ICAM-1, and decreased phosphorylation of the vasodilator-stimulated phosphoprotein, a marker for nitric oxide signaling.
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4 |
14977885
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The changes in ICAM-1 and vasodilator-stimulated phosphoprotein were recapitulated in the diabetic aorta in vivo.
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5 |
15381390
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To verify whether cAMP directly activates ecNOS through the cAMP-dependent protein kinase A (PKA), we evaluated (i) the influence of 8-Br-cAMP, adenosine and forskolin on ecNOS activity and phosphorylation at Ser(1177) and (ii) the effect of PKA inhibition on ecNOS activity.
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6 |
15381390
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The phosphorylation of the PKA substrate vasodilator-stimulated phosphoprotein (VASP) at Ser(157) and Ser(239) and of ecNOS at Ser(1177) was evaluated by Western blot.
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7 |
15381390
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Platelet exposure to 8-Br-cAMP and forskolin, beside the phosphorylation of the specific PKA substrate VASP, markedly increased the expression of ecNOS protein phosphorylated at Ser(1177).
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8 |
15381390
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To verify whether cAMP directly activates ecNOS through the cAMP-dependent protein kinase A (PKA), we evaluated (i) the influence of 8-Br-cAMP, adenosine and forskolin on ecNOS activity and phosphorylation at Ser(1177) and (ii) the effect of PKA inhibition on ecNOS activity.
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9 |
15381390
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The phosphorylation of the PKA substrate vasodilator-stimulated phosphoprotein (VASP) at Ser(157) and Ser(239) and of ecNOS at Ser(1177) was evaluated by Western blot.
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10 |
15381390
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Platelet exposure to 8-Br-cAMP and forskolin, beside the phosphorylation of the specific PKA substrate VASP, markedly increased the expression of ecNOS protein phosphorylated at Ser(1177).
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11 |
17068205
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Blood glucose, hemoglobin A1c, plasma levels of free fatty acid, triacylglycerol, and plasminogen activator inhibitor-1 in OLETF rats were significantly higher than those in nondiabetic control [Long-Evans Tokushima Otsuka (LETO)] rats at 29 weeks.
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12 |
17068205
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A fibrogenic growth factor, transforming growth factor (TGF)-beta1 in the coronary vessels, endothelial nitric-oxide synthase, and aortic nitrotyrosine were increased in OLETF rats at 42 weeks.
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13 |
17068205
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In contrast, an index of the NO-cGMP pathway, phosphorylated vasodilator-stimulated phosphoprotein, and superoxide dismutase activity in the aorta were significantly diminished.
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14 |
17082196
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AMP-activated protein kinase impairs endothelial actin cytoskeleton assembly by phosphorylating vasodilator-stimulated phosphoprotein.
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15 |
17082196
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Using VASP phosphorylation status-specific antibodies, we identified AMP-activated protein kinase (AMPK), a serine-threonine kinase and fundamental sensor of energy homeostasis, in a screen for kinases that phosphorylate the Thr-278 site of VASP in endothelial cells.
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16 |
17082196
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Quantitative fluorescence-activated cell sorter analysis and serum response factor transcriptional reporter assays, which quantify the cellular F-/G-actin equilibrium, indicated that AMPK-mediated VASP phosphorylation impaired actin stress fiber formation and altered cell morphology.
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17 |
17082196
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These findings suggest that VASP is a new AMPK substrate, that VASP Thr-278 phosphorylation translates metabolic signals into actin cytoskeleton rearrangements, and that this signaling system becomes down-regulated in diabetic vessels.
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18 |
17082196
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AMP-activated protein kinase impairs endothelial actin cytoskeleton assembly by phosphorylating vasodilator-stimulated phosphoprotein.
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19 |
17082196
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Using VASP phosphorylation status-specific antibodies, we identified AMP-activated protein kinase (AMPK), a serine-threonine kinase and fundamental sensor of energy homeostasis, in a screen for kinases that phosphorylate the Thr-278 site of VASP in endothelial cells.
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20 |
17082196
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Quantitative fluorescence-activated cell sorter analysis and serum response factor transcriptional reporter assays, which quantify the cellular F-/G-actin equilibrium, indicated that AMPK-mediated VASP phosphorylation impaired actin stress fiber formation and altered cell morphology.
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21 |
17082196
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These findings suggest that VASP is a new AMPK substrate, that VASP Thr-278 phosphorylation translates metabolic signals into actin cytoskeleton rearrangements, and that this signaling system becomes down-regulated in diabetic vessels.
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22 |
17082196
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AMP-activated protein kinase impairs endothelial actin cytoskeleton assembly by phosphorylating vasodilator-stimulated phosphoprotein.
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23 |
17082196
|
Using VASP phosphorylation status-specific antibodies, we identified AMP-activated protein kinase (AMPK), a serine-threonine kinase and fundamental sensor of energy homeostasis, in a screen for kinases that phosphorylate the Thr-278 site of VASP in endothelial cells.
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24 |
17082196
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Quantitative fluorescence-activated cell sorter analysis and serum response factor transcriptional reporter assays, which quantify the cellular F-/G-actin equilibrium, indicated that AMPK-mediated VASP phosphorylation impaired actin stress fiber formation and altered cell morphology.
|
25 |
17082196
|
These findings suggest that VASP is a new AMPK substrate, that VASP Thr-278 phosphorylation translates metabolic signals into actin cytoskeleton rearrangements, and that this signaling system becomes down-regulated in diabetic vessels.
|
26 |
17082196
|
AMP-activated protein kinase impairs endothelial actin cytoskeleton assembly by phosphorylating vasodilator-stimulated phosphoprotein.
|
27 |
17082196
|
Using VASP phosphorylation status-specific antibodies, we identified AMP-activated protein kinase (AMPK), a serine-threonine kinase and fundamental sensor of energy homeostasis, in a screen for kinases that phosphorylate the Thr-278 site of VASP in endothelial cells.
|
28 |
17082196
|
Quantitative fluorescence-activated cell sorter analysis and serum response factor transcriptional reporter assays, which quantify the cellular F-/G-actin equilibrium, indicated that AMPK-mediated VASP phosphorylation impaired actin stress fiber formation and altered cell morphology.
|
29 |
17082196
|
These findings suggest that VASP is a new AMPK substrate, that VASP Thr-278 phosphorylation translates metabolic signals into actin cytoskeleton rearrangements, and that this signaling system becomes down-regulated in diabetic vessels.
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30 |
17349927
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In untreated STZ rats (vs age-matched control rats): (1) ACh-induced relaxation, cGMP accumulation, phosphorylation of the cGMP-dependent protein kinase substrate vasodilator-stimulated phosphoprotein at Ser-239 [an established biochemical end-point of nitric oxide (NO)/cGMP signaling], and Cu/Zn-superoxide dismutase (SOD) expression and SOD activity were all reduced; (2) aortic superoxide generation, nitrotyrosine expression, and NAD(P)H oxidase activity were increased; (3) plasma endothelin-1 (ET-1) and aortic c-Jun (AP-1 component) protein expressions were increased.
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31 |
17349927
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Collectively, these results suggest that pioglitazone treatment improves endothelium-dependent relaxation by reducing oxidative stress via increased SOD activity, decreased NAD(P)H oxidase activity, and a decreased ET-1 level, and that this decreased ET-1 level may be attributable to an inhibition of the AP-1 signaling pathway.
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32 |
18079207
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To evaluate the biochemical basis of this phenomenon, we aimed to identify defects of the NO/cGMP/cGMP-dependent protein kinase (PKG) pathway in cultured vascular smooth muscle cells (VSMCs) from OZR and lean Zucker rats (LZR) by measuring: 1) NO donor ability to increase cGMP in the absence and presence of inhibitors of soluble guanylate cyclase (sGC) and phosphodiesterases (PDEs); 2) NO and cGMP ability to induce, via PKG, vasodilator-stimulated phosphoprotein (VASP) phosphorylation at serine 239 and PDE5 activity; 3) protein expression of sGC, PKG, total VASP, and PDE5; 4) superoxide anion concentrations and ability of antioxidants (superoxide dismutase+catalase and amifostine) to influence the NO/cGMP/PKG pathway activation; and 5) hydrogen peroxide influence on PDE5 activity and VASP phosphorylation.
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33 |
18079207
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LZR showed: 1) baseline cGMP concentrations higher, at least in part owing to reduced catabolism by PDEs; 2) impairment of NO donor ability to increase cGMP, even in the presence of PDE inhibitors, suggesting a defect in the NO-induced sGC activation; 3) reduction of NO and cGMP ability to activate PKG, indicated by the impaired ability to phosphorylate VASP at serine 239 and to increase PDE5 activity via PKG; 4) similar baseline protein expression of sGC, PKG, total VASP, and PDE5; and 5) higher levels of superoxide anion.
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34 |
18079207
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To evaluate the biochemical basis of this phenomenon, we aimed to identify defects of the NO/cGMP/cGMP-dependent protein kinase (PKG) pathway in cultured vascular smooth muscle cells (VSMCs) from OZR and lean Zucker rats (LZR) by measuring: 1) NO donor ability to increase cGMP in the absence and presence of inhibitors of soluble guanylate cyclase (sGC) and phosphodiesterases (PDEs); 2) NO and cGMP ability to induce, via PKG, vasodilator-stimulated phosphoprotein (VASP) phosphorylation at serine 239 and PDE5 activity; 3) protein expression of sGC, PKG, total VASP, and PDE5; 4) superoxide anion concentrations and ability of antioxidants (superoxide dismutase+catalase and amifostine) to influence the NO/cGMP/PKG pathway activation; and 5) hydrogen peroxide influence on PDE5 activity and VASP phosphorylation.
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35 |
18079207
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LZR showed: 1) baseline cGMP concentrations higher, at least in part owing to reduced catabolism by PDEs; 2) impairment of NO donor ability to increase cGMP, even in the presence of PDE inhibitors, suggesting a defect in the NO-induced sGC activation; 3) reduction of NO and cGMP ability to activate PKG, indicated by the impaired ability to phosphorylate VASP at serine 239 and to increase PDE5 activity via PKG; 4) similar baseline protein expression of sGC, PKG, total VASP, and PDE5; and 5) higher levels of superoxide anion.
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36 |
18344121
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In contrast, the expression of phosphorylated vasodilator-stimulated phosphoprotein and glucose transporter 4 in the aorta was significantly decreased in OLETF rats.
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37 |
19734360
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By contrast, phosphorylation of VASP only at Ser239 is seen following activation of particulate guanylate cyclase by atrial natriuretic peptide, or following activation of soluble guanylate cyclase by sodium nitroprusside, or following treatment of myocytes with cGMP analog.
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38 |
19734360
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We found that basal and isoproterenol-induced VASP phosphorylation is entirely unchanged in cardiomyocytes isolated from either endothelial or neuronal nitric oxide synthase knockout mice.
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39 |
19734360
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By contrast, phosphorylation of VASP only at Ser239 is seen following activation of particulate guanylate cyclase by atrial natriuretic peptide, or following activation of soluble guanylate cyclase by sodium nitroprusside, or following treatment of myocytes with cGMP analog.
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40 |
19734360
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We found that basal and isoproterenol-induced VASP phosphorylation is entirely unchanged in cardiomyocytes isolated from either endothelial or neuronal nitric oxide synthase knockout mice.
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41 |
20966600
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Comparison of platelet P2Y(12) ADP receptor-mediated pathway inhibition in triple versus dual antiplatelet therapy as assessed by VASP-phosphorylation in Japanese patients undergoing coronary stenting.
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42 |
20966600
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Similarly, in DM patients the triple therapy group had a lower VASP index compared with the dual therapy group (23.1 ± 15.3% versus 47.0 ± 23.5%; P = 0.015).Clopidogrel plus cilostazol is more effective in inhibiting the platelet P2Y(12) ADP receptor pathway than clopidogrel alone.
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43 |
20966600
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Comparison of platelet P2Y(12) ADP receptor-mediated pathway inhibition in triple versus dual antiplatelet therapy as assessed by VASP-phosphorylation in Japanese patients undergoing coronary stenting.
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44 |
20966600
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Similarly, in DM patients the triple therapy group had a lower VASP index compared with the dual therapy group (23.1 ± 15.3% versus 47.0 ± 23.5%; P = 0.015).Clopidogrel plus cilostazol is more effective in inhibiting the platelet P2Y(12) ADP receptor pathway than clopidogrel alone.
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45 |
23040597
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High on-treatment platelet reactivity according to 3 prespecified definitions (VASP index ≥ 50%, platelet reactivity ≥ 235 P2Y(12) reaction units, and residual platelet reactivity ≥ 46.2%) was found in 6.8%, 3.4%, and 3.2% of patients, respectively.
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46 |
23143668
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Following clopidogrel loading dose administration, levels of on-treatment platelet reactivity were similar between groups at 2 and 24 h as measured with LTA and VASP.
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47 |
23184484
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PD assessments using cangrelor (500 nmol/l) in vitro included vasodilator-stimulated phosphoprotein assay to obtain the P2Y(12) reactivity index (PRI), and multiple electrode aggregometry (MEA).
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48 |
23349495
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VASP increases hepatic fatty acid oxidation by activating AMPK in mice.
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49 |
23349495
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Activation of AMP-activated protein kinase (AMPK) signaling reduces hepatic steatosis and hepatic insulin resistance; however, its regulatory mechanisms are not fully understood.
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50 |
23349495
|
In this study, we sought to determine whether vasodilator-stimulated phosphoprotein (VASP) signaling improves lipid metabolism in the liver and, if so, whether VASP's effects are mediated by AMPK.
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51 |
23349495
|
We show that disruption of VASP results in significant hepatic steatosis as a result of significant impairment of fatty acid oxidation, VLDL-triglyceride (TG) secretion, and AMPK signaling.
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52 |
23349495
|
Overexpression of VASP in hepatocytes increased AMPK phosphorylation and fatty acid oxidation and reduced hepatocyte TG accumulation; however, these responses were suppressed in the presence of an AMPK inhibitor.
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53 |
23349495
|
Restoration of AMPK phosphorylation by administration of 5-aminoimidazole-4-carboxamide riboside in Vasp(-/-) mice reduced hepatic steatosis and normalized fatty acid oxidation and VLDL-TG secretion.
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54 |
23349495
|
Activation of VASP by the phosphodiesterase-5 inhibitor, sildenafil, in db/db mice reduced hepatic steatosis and increased phosphorylated (p-)AMPK and p-acetyl CoA carboxylase.
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55 |
23349495
|
These studies identify a role of VASP to enhance hepatic fatty acid oxidation by activating AMPK and to promote VLDL-TG secretion from the liver.
|
56 |
23349495
|
VASP increases hepatic fatty acid oxidation by activating AMPK in mice.
|
57 |
23349495
|
Activation of AMP-activated protein kinase (AMPK) signaling reduces hepatic steatosis and hepatic insulin resistance; however, its regulatory mechanisms are not fully understood.
|
58 |
23349495
|
In this study, we sought to determine whether vasodilator-stimulated phosphoprotein (VASP) signaling improves lipid metabolism in the liver and, if so, whether VASP's effects are mediated by AMPK.
|
59 |
23349495
|
We show that disruption of VASP results in significant hepatic steatosis as a result of significant impairment of fatty acid oxidation, VLDL-triglyceride (TG) secretion, and AMPK signaling.
|
60 |
23349495
|
Overexpression of VASP in hepatocytes increased AMPK phosphorylation and fatty acid oxidation and reduced hepatocyte TG accumulation; however, these responses were suppressed in the presence of an AMPK inhibitor.
|
61 |
23349495
|
Restoration of AMPK phosphorylation by administration of 5-aminoimidazole-4-carboxamide riboside in Vasp(-/-) mice reduced hepatic steatosis and normalized fatty acid oxidation and VLDL-TG secretion.
|
62 |
23349495
|
Activation of VASP by the phosphodiesterase-5 inhibitor, sildenafil, in db/db mice reduced hepatic steatosis and increased phosphorylated (p-)AMPK and p-acetyl CoA carboxylase.
|
63 |
23349495
|
These studies identify a role of VASP to enhance hepatic fatty acid oxidation by activating AMPK and to promote VLDL-TG secretion from the liver.
|
64 |
23349495
|
VASP increases hepatic fatty acid oxidation by activating AMPK in mice.
|
65 |
23349495
|
Activation of AMP-activated protein kinase (AMPK) signaling reduces hepatic steatosis and hepatic insulin resistance; however, its regulatory mechanisms are not fully understood.
|
66 |
23349495
|
In this study, we sought to determine whether vasodilator-stimulated phosphoprotein (VASP) signaling improves lipid metabolism in the liver and, if so, whether VASP's effects are mediated by AMPK.
|
67 |
23349495
|
We show that disruption of VASP results in significant hepatic steatosis as a result of significant impairment of fatty acid oxidation, VLDL-triglyceride (TG) secretion, and AMPK signaling.
|
68 |
23349495
|
Overexpression of VASP in hepatocytes increased AMPK phosphorylation and fatty acid oxidation and reduced hepatocyte TG accumulation; however, these responses were suppressed in the presence of an AMPK inhibitor.
|
69 |
23349495
|
Restoration of AMPK phosphorylation by administration of 5-aminoimidazole-4-carboxamide riboside in Vasp(-/-) mice reduced hepatic steatosis and normalized fatty acid oxidation and VLDL-TG secretion.
|
70 |
23349495
|
Activation of VASP by the phosphodiesterase-5 inhibitor, sildenafil, in db/db mice reduced hepatic steatosis and increased phosphorylated (p-)AMPK and p-acetyl CoA carboxylase.
|
71 |
23349495
|
These studies identify a role of VASP to enhance hepatic fatty acid oxidation by activating AMPK and to promote VLDL-TG secretion from the liver.
|
72 |
23349495
|
VASP increases hepatic fatty acid oxidation by activating AMPK in mice.
|
73 |
23349495
|
Activation of AMP-activated protein kinase (AMPK) signaling reduces hepatic steatosis and hepatic insulin resistance; however, its regulatory mechanisms are not fully understood.
|
74 |
23349495
|
In this study, we sought to determine whether vasodilator-stimulated phosphoprotein (VASP) signaling improves lipid metabolism in the liver and, if so, whether VASP's effects are mediated by AMPK.
|
75 |
23349495
|
We show that disruption of VASP results in significant hepatic steatosis as a result of significant impairment of fatty acid oxidation, VLDL-triglyceride (TG) secretion, and AMPK signaling.
|
76 |
23349495
|
Overexpression of VASP in hepatocytes increased AMPK phosphorylation and fatty acid oxidation and reduced hepatocyte TG accumulation; however, these responses were suppressed in the presence of an AMPK inhibitor.
|
77 |
23349495
|
Restoration of AMPK phosphorylation by administration of 5-aminoimidazole-4-carboxamide riboside in Vasp(-/-) mice reduced hepatic steatosis and normalized fatty acid oxidation and VLDL-TG secretion.
|
78 |
23349495
|
Activation of VASP by the phosphodiesterase-5 inhibitor, sildenafil, in db/db mice reduced hepatic steatosis and increased phosphorylated (p-)AMPK and p-acetyl CoA carboxylase.
|
79 |
23349495
|
These studies identify a role of VASP to enhance hepatic fatty acid oxidation by activating AMPK and to promote VLDL-TG secretion from the liver.
|
80 |
23349495
|
VASP increases hepatic fatty acid oxidation by activating AMPK in mice.
|
81 |
23349495
|
Activation of AMP-activated protein kinase (AMPK) signaling reduces hepatic steatosis and hepatic insulin resistance; however, its regulatory mechanisms are not fully understood.
|
82 |
23349495
|
In this study, we sought to determine whether vasodilator-stimulated phosphoprotein (VASP) signaling improves lipid metabolism in the liver and, if so, whether VASP's effects are mediated by AMPK.
|
83 |
23349495
|
We show that disruption of VASP results in significant hepatic steatosis as a result of significant impairment of fatty acid oxidation, VLDL-triglyceride (TG) secretion, and AMPK signaling.
|
84 |
23349495
|
Overexpression of VASP in hepatocytes increased AMPK phosphorylation and fatty acid oxidation and reduced hepatocyte TG accumulation; however, these responses were suppressed in the presence of an AMPK inhibitor.
|
85 |
23349495
|
Restoration of AMPK phosphorylation by administration of 5-aminoimidazole-4-carboxamide riboside in Vasp(-/-) mice reduced hepatic steatosis and normalized fatty acid oxidation and VLDL-TG secretion.
|
86 |
23349495
|
Activation of VASP by the phosphodiesterase-5 inhibitor, sildenafil, in db/db mice reduced hepatic steatosis and increased phosphorylated (p-)AMPK and p-acetyl CoA carboxylase.
|
87 |
23349495
|
These studies identify a role of VASP to enhance hepatic fatty acid oxidation by activating AMPK and to promote VLDL-TG secretion from the liver.
|
88 |
23349495
|
VASP increases hepatic fatty acid oxidation by activating AMPK in mice.
|
89 |
23349495
|
Activation of AMP-activated protein kinase (AMPK) signaling reduces hepatic steatosis and hepatic insulin resistance; however, its regulatory mechanisms are not fully understood.
|
90 |
23349495
|
In this study, we sought to determine whether vasodilator-stimulated phosphoprotein (VASP) signaling improves lipid metabolism in the liver and, if so, whether VASP's effects are mediated by AMPK.
|
91 |
23349495
|
We show that disruption of VASP results in significant hepatic steatosis as a result of significant impairment of fatty acid oxidation, VLDL-triglyceride (TG) secretion, and AMPK signaling.
|
92 |
23349495
|
Overexpression of VASP in hepatocytes increased AMPK phosphorylation and fatty acid oxidation and reduced hepatocyte TG accumulation; however, these responses were suppressed in the presence of an AMPK inhibitor.
|
93 |
23349495
|
Restoration of AMPK phosphorylation by administration of 5-aminoimidazole-4-carboxamide riboside in Vasp(-/-) mice reduced hepatic steatosis and normalized fatty acid oxidation and VLDL-TG secretion.
|
94 |
23349495
|
Activation of VASP by the phosphodiesterase-5 inhibitor, sildenafil, in db/db mice reduced hepatic steatosis and increased phosphorylated (p-)AMPK and p-acetyl CoA carboxylase.
|
95 |
23349495
|
These studies identify a role of VASP to enhance hepatic fatty acid oxidation by activating AMPK and to promote VLDL-TG secretion from the liver.
|
96 |
23349495
|
VASP increases hepatic fatty acid oxidation by activating AMPK in mice.
|
97 |
23349495
|
Activation of AMP-activated protein kinase (AMPK) signaling reduces hepatic steatosis and hepatic insulin resistance; however, its regulatory mechanisms are not fully understood.
|
98 |
23349495
|
In this study, we sought to determine whether vasodilator-stimulated phosphoprotein (VASP) signaling improves lipid metabolism in the liver and, if so, whether VASP's effects are mediated by AMPK.
|
99 |
23349495
|
We show that disruption of VASP results in significant hepatic steatosis as a result of significant impairment of fatty acid oxidation, VLDL-triglyceride (TG) secretion, and AMPK signaling.
|
100 |
23349495
|
Overexpression of VASP in hepatocytes increased AMPK phosphorylation and fatty acid oxidation and reduced hepatocyte TG accumulation; however, these responses were suppressed in the presence of an AMPK inhibitor.
|
101 |
23349495
|
Restoration of AMPK phosphorylation by administration of 5-aminoimidazole-4-carboxamide riboside in Vasp(-/-) mice reduced hepatic steatosis and normalized fatty acid oxidation and VLDL-TG secretion.
|
102 |
23349495
|
Activation of VASP by the phosphodiesterase-5 inhibitor, sildenafil, in db/db mice reduced hepatic steatosis and increased phosphorylated (p-)AMPK and p-acetyl CoA carboxylase.
|
103 |
23349495
|
These studies identify a role of VASP to enhance hepatic fatty acid oxidation by activating AMPK and to promote VLDL-TG secretion from the liver.
|