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PMID |
Sentence |
1 |
21933986
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In liver, basal IRS-2 expression is controlled via a temporal negative feedback of sterol regulatory element-binding protein 1 (SREBP-1) to antagonize transcription factors forkhead box class O (FoxO)1/FoxO3a at an insulin response element (IRE) on the IRS-2 promoter.
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2 |
21933986
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ChIP assays indicated that transcription factors FoxO1 and FoxO3a associated with the IRE on the IRS-2 promoter in ?-cells in a PI3K/PKB-dependent manner, whereas others, such as SREBP-1, the transcription factor binding to immunoglobulin heavy chain enhancer 3', and the aryl hydrocarbon receptor nuclear translocator (ARNT), did not.
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3 |
21933986
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In vivo studies showed insulin was able to suppress IRS-2 expression via activation of SREBP-1 in the liver, but this mechanism was not apparent in pancreatic islets from the same animal.
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4 |
10861205
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Hepatocytes in primary culture were used to delineate the insulin signalling pathway for induction of SREBP1 gene expression.
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5 |
10861205
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Thus acute activation of PKB is sufficient to induce SREBP1 mRNA accumulation in primary hepatocytes, and might be the major signalling event by which insulin induces SREBP1 gene expression in the liver.
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6 |
11916923
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Exposure of isolated human adipocytes to insulin enhanced SREBP1 gene expression and promoted its proteolytic cleavage to the active form.
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7 |
11916923
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Exposure of isolated human adipocytes to tumor necrosis factor-alpha (TNF-alpha) produced a marked and specific decrease in the mRNA encoding the SREBP1c isoform and completely blocked the insulin-induced cleavage of SREBP1 protein.
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8 |
14514640
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Insulin and naringenin induced PI3K-dependent increases in cytosolic and nuclear SREBP-1 and LDLr expression.
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9 |
14514640
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We conclude that naringenin increases LDLr expression in HepG2 cells via PI3K-mediated upregulation of SREBP-1, independent of IRS-1 phosphorylation.
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10 |
14505487
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Previous work showed that acute stimulation of a conditionally active protein kinase B (PKB or cAKT) was sufficient to elicit insulin-like induction of GCK (glucokinase) and SREBP1 (sterol regulatory element-binding protein 1) in hepatocytes [Iynedjian, Roth, Fleischmann and Gjinovci (2000) Biochem.
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11 |
14505487
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A PKB-CaaX fusion protein, which can act as a dominant-negative inhibitor of PKB activation in other cells, was shown to be constitutively activated in hepatocytes and to trigger insulin-like induction of GCK and SREBP1.
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12 |
14505487
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The stimulation of gene expression by constitutively active PKB-CaaX and inhibition of the insulin effect by ceramide are compatible with a role for PKB in the insulin-dependent induction of GCK and SREBP1.
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13 |
16429400
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Sterol regulatory element binding protein 1 (SREBP-1) transcription factors play a key role in energy homeostasis by regulating genes involved in both carbohydrate and lipid metabolism, and in adipocyte differentiation.
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14 |
16790840
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Increased nuclear sterol-regulatory element binding protein-1 (SREBP-1) correlated with enhanced expression of Elovl-6, Delta(5)D, Delta(6)D, and Delta(9)D.
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15 |
16790840
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Suppression of Elovl-6 and Delta(9)D expression in livers of streptozotocin-induced diabetic rats and high fat-fed glucose-intolerant mice correlated with low levels of nuclear SREBP-1.
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16 |
16790840
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In leptin-deficient obese mice (Lep(ob/ob)), increased SREBP-1 and MLX nuclear content correlated with the induction of Elovl-5, Elovl-6, and Delta(9)D expression and the massive accumulation of monounsaturated fatty acids (18:1,n-7 and 18:1,n-9) in neutral lipids.
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17 |
17160088
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Our results therefore raise the possibility that sequence variations at the SREBF-1 gene locus might contribute to T2DM risk, at least in part, by altering circulating adiponectin levels.
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18 |
17622585
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Thus, alcohol exerts biphasic actions on hepatic insulin signaling, such that low doses activate insulin signaling pathways associated with reduced p55gamma to increase nSREBP-1, whereas high doses of ethanol elevate TRB3 and suppress insulin signaling to decrease SREBP-1.
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19 |
18239551
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SIK2 inhibits the expression of FAS-promoter driven luciferase reporter gene, and this effect can be reversed by overexpression of constitutively active sterol regulatory element binding protein-1 (SREBP-1).
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20 |
18239551
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Furthermore, SIK2 also reduces the nuclear translocation of endogenous SREBP-1.
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21 |
19062325
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The isoforms of the transcription factor sterol regulatory element binding protein 1 (SREBP-1) are known to stimulate G6PD gene expression, and some polymorphisms in the SREBP-1 gene (SREBF-1) have been described only in Africans.
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22 |
20041157
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SREBP-1 knockdown was sufficient to induce Wnt10b protein expression in contracting myotubes and to activate the Wnt/beta-catenin pathway.
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23 |
20699418
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Our previous studies have shown that the farnesoid X receptor (FXR), a bile acid-activated nuclear hormone receptor, modulates renal SREBP-1 expression.
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24 |
21178610
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Elovl5 activity regulates hepatic C20-22 PUFA content, signaling pathways (Akt and PP2A) and transcription factors (SREBP-1, PPAR?, FoxO1 and PGC1?) that control fatty acid synthesis and gluconeogenesis.
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25 |
21060977
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We studied SCD1 in visceral adipose tissue (VAT) and subcutaneous adipose tissue (SAT) from morbidly obese patients and their association with insulin resistance, sterol regulatory element binding protein-1 (SREBP-1) and ATPase p97, proteins involved in SCD1 synthesis and degradation.
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26 |
20200319
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In ob/ob mice, sterol regulatory element binding protein 1 (SREBP1) mediates the induction of steatosis by upregulating target genes, including glycerol-3-phosphate acyltransferase-1 (Gpat1), which catalyzes the first and committed step in the pathway of glycerolipid synthesis.
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27 |
20200319
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They also show that the SREBP1-mediated induction of hepatic steatosis in ob/ob mice requires Gpat1.
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28 |
16226915
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Conversely, inhibition of SOCS-1 and SOCS-3 in livers of obese diabetic db/db mice by antisense treatment modestly improves insulin sensitivity, but completely normalizes the increased expression of SREBP-1.
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29 |
19423844
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Insulin treatment of cultured atrial myocytes stimulated GIRK1 expression 2.68+/-0.12-fold (P<0.01), which was reversed by overexpression of dominant negative SREBP-1.
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30 |
19423844
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These results support a unique molecular mechanism for insulin regulation of GIRK1 expression and parasympathetic response via SREBP-1, which might play a role in the pathogenesis of DAN in response to insulin deficiency in the diabetic heart.
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31 |
21320485
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Again, expression of PTEN significantly inhibited high glucose-caused increased phospho-Akt and lipogenic genes including SREBP-1, fatty acid synthase (FASN) and acetyl-CoA carboxylase (ACC).
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32 |
21294661
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Insulin-activated gene expression for SREBP-1 is suggested to be involved in stress-augmented hepatic lipogenesis.
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33 |
21774832
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Furthermore, palmitoleic acid down-regulated mRNA expressions of proinflammatory adipocytokine genes (TNF? and resistin) in white adipose tissue and lipogenic genes (SREBP-1, FAS, and SCD-1) in liver.
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34 |
21854210
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Conversely, a depression in liver mTOR and SREBP1 and 2 expression was noted, with a decrease in pyruvate kinase and alanine aminotransferase activities and decreases in liver lipid and glycogen contents.
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35 |
15094374
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The expression of Wnt signaling genes, WNT1, FZD1, DVL1, GSK3beta, beta-catenin, and TCF1, and adipogenic transcription factors, C/EBPalpha and beta and delta, PPARgamma, and SREBP-1, was reduced in the adipose tissue.
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36 |
21849520
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In addition, STAMP2 gene expression was positively associated with lipogenic (FASN, ACC1, SREBP1, THRSP14, TR?, and TR?1), CAV1, IRS1, GLUT4, and CD206 gene expression.
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