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PMID |
Sentence |
1 |
15749807
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Here, we find that in rat H4IIE hepatoma cells GH-induced tyrosine phosphorylation of two other STATs (STAT3 and STAT1) was also greatly reduced following prolonged insulin pretreatment compared with that induced by GH alone.
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2 |
15749807
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Basal tyrosine phosphorylated (PY)-STAT3 was also significantly reduced by prolonged insulin treatment, and to a greater extent than total STAT3 protein levels.
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3 |
18178618
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Up-regulation of cyclin D1 and D2 by ICA512-CCF is affected by knockdown of STAT3 and STAT5, respectively, whereas it does not require insulin signaling.
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4 |
18268048
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The aim of our study was to examine the role of the signal transducers and activators of transcription 3 (STAT3) in insulin signaling.
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5 |
18268048
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These data indicate that STAT3 sensitizes insulin signaling by negatively regulating GSK-3beta.
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6 |
18268048
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Inactivation of STAT3 in the liver contributes significantly to the pathogenesis of insulin resistance.
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7 |
19258740
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Forced expression of STAT3 reduced blood glucose and plasma insulin concentrations as well as the hepatic abundance of mRNA for phosphoenolpyruvate carboxykinase.
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8 |
19875458
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Here, we report that STAT3 plays a key role in amino acid dampening of insulin signaling in hepatic cells.
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9 |
19875458
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Replacement of the endogenous STAT3 with wild-type, but not S727A, recombinant STAT3 restored the ability of amino acids to inhibit insulin signaling, suggesting that Ser(727) phosphorylation was critical for STAT3-mediated amino acid effect.
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10 |
19875458
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Finally, we found that STAT3 activity and the expression of its target gene socs3, known to be involved in insulin resistance, were both stimulated by excess amino acids and inhibited by rapamycin.
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11 |
19875458
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In conclusion, our study reveals STAT3 as a novel mediator of nutrient signals and identifies a Ser(727) phosphorylation-dependent and Tyr(705) phosphorylation-independent STAT3 activation mechanism in the modulation of insulin signaling.
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12 |
21602511
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Treatment with MEDICA analog resulted in total body sensitization to insulin, suppression of lipopolysaccharide-induced hCRP and interleukin-6-induced acute phase reactants and robust decrease in FoxO1 transcriptional activity and in coactivation of STAT3.
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13 |
21617181
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It has been suggested that interleukin (IL)-6 is one of the mediators linking obesity-derived chronic inflammation with insulin resistance through activation of STAT3, with subsequent upregulation of suppressor of cytokine signaling 3 (SOCS3).
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14 |
21298325
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The aims of this study are to address if insulin is anti-inflammatory and attenuates IL-6-induced inflammation in the human hepatoma cell line HepG2 and if this involves signal transducer and activator of transcription 3 (STAT3) signal transduction.
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15 |
21298325
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However, the authors did not find any evidence that insulin inhibited IL-6 signal transduction, i.e., no effect of insulin was detected on STAT3 phosphorylation or its translocation to cell nucleus.
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16 |
21298325
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Further analysis revealed that insulin regulates nuclear localization of FOXO1, which is an important co-activator for STAT3 mediated transcription.
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17 |
20107108
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Moreover, we report OPN as a novel negative regulator for the activation of hepatic signal transducer and activator of transcription 3 (STAT3), which is essential for glucose homeostasis and insulin sensitivity.
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