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PMID |
Sentence |
1 |
21821716
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It has been previously reported that overexpression of activating transcription factor 6 (ATF6) reduces insulin gene expression in part via upregulation of small heterodimer partner.
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2 |
21920351
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SHP suppresses the functions of several nuclear receptors involved in the regulation of hepatic metabolism, including pregnane X receptor (PXR), which is referred to as a "master regulator" of drug/xenobiotic metabolism.
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3 |
16803864
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Here, we report that SHP(-/-) mice exhibited hypoinsulinemia with age, which was associated with increased peripheral insulin sensitivity and increased response of isolated islets to glucose stimulation, yet maintain normal levels of blood glucose.
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4 |
16803864
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SHP(-/-) hepatocytes showed markedly decreased basal glucose production in cultures, and SHP(-/-) livers had increased glycogen stores and were more sensitive to insulin inhibition of glucose output, which were concomitant with decreased expression for PPARgamma1, fatty acid translocase, glucose-6-phosphatase, and phosphoenol/pyruvate carboxykinase, and increased mRNAs for glucokinase and pyruvate kinase.
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5 |
16803864
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In white fat, SHP deficiency resulted in up-regulation of genes involved in insulin sensitizing, including PPARgamma2 and adiponectin.
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6 |
16803864
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We show that, at the transcriptional level, SHP directly represses adiponectin promoter activity by PPARgamma/liver receptor homolog-1.
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7 |
16803864
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The results suggest that the increases in insulin sensitivity through multiple signaling pathways in muscle, liver, and fat, with an increase in islet secretory function, represent the complex mechanism whereby SHP deficiency leads to improvement in insulin sensitivity, secretion, and diabetes.
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8 |
17522048
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We also demonstrate that LRH-1 stimulation of the FAS LXR response is blocked by the addition of small heterodimer partner (SHP) and that FAS mRNA is overexpressed in SHP knock-out animals, providing evidence that FAS is an in vivo target of SHP repression.
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9 |
17522048
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Taken together, these findings identify the first direct lipogenic gene target of LRH-1/SHP repression and provide a mechanistic explanation for bile acid repression of FAS and lipogenesis recently reported by others.
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10 |
17652764
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For Shc to be phosphorylated, it must be recruited to the cytoplasmic domain of the transmembrane protein SHPS-1 (SHP substrate-1).
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11 |
19390091
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Here, we report surprising findings that SHP is a rapidly degraded protein via the ubiquitin-proteasomal pathway and that bile acids or bile acid-induced intestinal fibroblast growth factor 19 (FGF19) increases stability of hepatic SHP by inhibiting proteasomal degradation in an extracellular signal-regulated kinase (ERK)-dependent manner.
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12 |
19369578
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In this study, we demonstrated that troglitazone but not rosiglitazone or pioglitazone modulated expression of farnesoid X receptor (FXR) target genes bile salt export pump (BSEP) and small heterodimer partner (SHP) in Huh-7 cells.
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13 |
19369578
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More specifically, troglitazone acted as a partial agonist of FXR to weakly increase BSEP and SHP expression but functioned as a potent antagonist to significantly suppress bile acid-induced expression.
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14 |
19346330
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In the liver, bile acids activate a nuclear receptor, farnesoid X receptor (FXR), that induces an atypical nuclear receptor small heterodimer partner, which subsequently inhibits nuclear receptors, liver-related homolog-1, and hepatocyte nuclear factor 4alpha and results in inhibiting transcription of the critical regulatory gene in bile acid synthesis, cholesterol 7alpha-hydroxylase (CYP7A1).
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15 |
21147283
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Metformin increased significantly the expression of the key osteogenic genes, such as alkaline phosphatase (ALP), osteocalcin (OC) and bone sialoprotein (BSP) as well as SHP.
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16 |
21147283
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Metformin increased the transcription of the SHP and OC genes, and the metformin effect was inhibited by dominant negative form of AMPK (DN-AMPK) or compound C (an inhibitor of AMPK).
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17 |
21147283
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The adenoviral overexpression of SHP increased significantly the level of ALP staining and OC production.
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18 |
21147283
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However, metformin did not have any significant effect on osteogenic gene expression, ALP staining and activity, and OC production in SHP null (SHP-/-) primary calvarial cells.
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19 |
21147283
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Transient transfection and chromatin immunoprecipitation assays confirmed that metformin-induced SHP interacts physically and forms a complex with Runx2 on the osteocalcin gene promoter in MC3T3E1 cells.
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20 |
17259388
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Inhibition of endogenous SHP gene expression by small interfering RNA partially restored high-glucose-induced suppression of the insulin gene.
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21 |
17259388
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SHP downregulates insulin gene expression via two mechanisms: by downregulating PDX-1 and MafA gene expression and by inhibiting p300-mediated pancreatic duodenal homeobox factor 1-and BETA2-dependent transcriptional activity from the insulin promoter.
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22 |
21493670
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Mechanistic studies to explain these differences revealed that FXR physically interacts with ERR and protects them from repression by the atypical corepressor, small heterodimer partner in liver.
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23 |
21949050
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Thus, we reinvestigated the impact of small heterodimer partner (SHP) deletion on diet-induced obesity and insulin resistance using congenic SHP(-/-) mice.
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