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PMID |
Sentence |
1 |
8779938
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We have investigated the roles of eukaryotic initiation factor 4E (eIF-4E), the cap-binding protein, and the translational regulator, PHAS-I, in the effects of insulin and alloxan-induced diabetes on protein synthesis in rat skeletal muscle.
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2 |
8779938
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The effects of both insulin and diabetes on PHAS-I binding to eIF-4E appeared to be due to changes in PHAS-I phosphorylation.
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3 |
8779938
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The results indicate that the effects of both insulin and diabetes on protein synthesis in skeletal muscle involve modulation of the interaction of PHAS-I and eIF-4E.
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4 |
9176184
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However, in contrast to the results obtained for 4E-BP1, starvation decreased the amount of eIF-4G recovered in the eIF-4E immunoprecipitate, suggesting that starvation causes a decrease in the formation of the active eIF-4F complex.
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5 |
11916909
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Phosphorylation of 4E-BP1 and S6K1 was increased in diabetic rats infused with insulin in a dose-dependent manner, and the response was enhanced by leucine.
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6 |
16962100
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Akt, mammalian target of rapamycin (mTOR), ribosomal-S6 kinase (p70(S6K)), the eukaryotic translation initiation factor 4E (eIF4E)-binding protein 1 (4E-BP1) and insulin receptor substrate (IRS)-2 were evaluated by Western blot analysis.
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7 |
16962100
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Interestingly, acetaldehyde enhanced p70(S6K) activation and depressed 4E-BP1 phosphorylation, the effect of which was blunted and exaggerated, respectively, by rapamycin.
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8 |
18316032
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The Eif4ebp1 gene encoding 4E-BP1 was revealed to be a direct target of the transcription factor ATF4.
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9 |
19574449
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At the protein level, 4E-BP1 was also up-regulated in response to starvation and IL-1beta, and this was blunted by HDLs.
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10 |
20589738
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The Eif4ebp1 gene, encoding 4E-BP1, is a direct target of a transcription factor activating transcription factor-4 (ATF4), a master regulator of gene expression in stress responses.
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11 |
20589738
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Arsenite-induced 4E-BP1 mRNA and protein expressions were augmented by simultaneous treatment with a c-Jun N-terminal kinase (JNK) specific inhibitor, SP600125.
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12 |
20547975
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The effect of 4E-BP1 and 4E-BP2 gene deletion on VEGF expression was examined in mice and in mouse embryo fibroblasts (MEFs).
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13 |
20547975
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Hyperglycemia induces VEGF expression through cap-independent mRNA translation mediated by increased expression of 4E-BP1.
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14 |
20491627
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Current knowledge indicates that mTOR functions as two distinct multiprotein complexes, mTORC1 and mTORC2. mTORC1 phosphorylates p70 S6 kinase (S6K1) and eukaryotic initiation factor 4E (eIF4E) binding protein 1 (4E-BP1), and regulates cell growth, proliferation, and survival by integrating hormones, growth factors, nutrients, stressors and energy signals.
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15 |
21840999
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4E-BP1 is a protein that, in its hypophosphorylated state, binds the mRNA cap-binding protein eIF4E and represses cap-dependent mRNA translation.
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16 |
21840999
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In the present study, Ins2(Akita/+) diabetic mice were used to test the hypothesis that hyperglycemia and elevated flux of glucose through the hexosamine biosynthetic pathway lead to increased O-GlcNAcylation and truncation of 4E-BP1 and consequently decreased eIF4E function in the liver.
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17 |
21840999
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Additionally, when livers were perfused in the absence of insulin, 4E-BP1 phosphorylation in the livers of diabetic mice was normalized to the control value, yet O-GlcNAcylation and the association of 4E-BP1 with eIF4E remained elevated in the liver of diabetic mice.
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18 |
18701453
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This was associated with dephosphorylation of eIF2Bepsilon and eEF2, and increase in phosphorylation of 4E-BP1 and eIF4E.
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