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PMID |
Sentence |
1 |
1269848
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Whereas the PDH complex is fully activated before parturition, there is a significant decrease in the active form of the pyruvate dehydrogenase complex in the liver of the newborn rats.
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2 |
6337485
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The mediator activated pyruvate dehydrogenase by activating the pyruvate dehydrogenase phosphatase and not by inhibiting the pyruvate dehydrogenase kinase.
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3 |
6331393
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The total activity of pyruvate dehydrogenase (PDH) complex in rat hind-limb muscle mitochondria was 76.4 units/g of mitochondrial protein.
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4 |
8428713
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In addition, experiments with adipocytes isolated from diabetic rats treated with etomoxir demonstrated an increase in sensitivity and responsiveness to insulin of glucose utilization and pyruvate dehydrogenase (PDH) activity.
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5 |
10607479
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Measurements have been made, in adult male diabetic patients and control subjects, of the urinary content of inositol phosphoglycans (IPGs), the IPG A-type and IPG P-type forms, which, among other actions, regulate pathways of glucose utilization, lipogenesis, triglyceride formation, and pyruvate dehydrogenase (PDH) activity.
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6 |
10607479
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In vitro studies of the effects of alterations in the IPG P-type:IPG A-type ratio on the activation of the pyruvate dehydrogenase complex (PDH complex) at the PDH phosphatase reaction demonstrated that IPG A-type forms antagonized the stimulation of the PDH phosphatase by IPG P-type forms, thus having a negative effect on the conversion of PDH to the active, dephosphorylated, form.
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7 |
17438370
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The factors contributing to defects in fatty acid metabolism are not understood but new data demonstrates that increased TNFalpha in obesity increases protein phosphatase 2C (PP2C), which in turn suppresses the activity of AMP-activated protein kinase (AMPK), a critical regulator of energy metabolism.(1) These data identify a novel mechanism by which inflammation in obesity is a precursor to defects in skeletal muscle fatty acid oxidation that generates a vicious cycle exacerbating the development of insulin resistance.
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8 |
20484462
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In INS-1 cells, PRL increased PDH activity 1.4- to 2-fold (P < 0.05-0.001) at glucose concentrations ranging from 2.5-11 mm.
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9 |
20484462
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DEX reduced PDH activity; this effect was reversed by PRL.
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10 |
20484462
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Our findings suggest that PRL induction of GSIS is mediated by increases in beta-cell PDH activity; this is facilitated by suppression of PDKs.
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11 |
20484462
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PRL counteracts the effects of DEX on PDH and PDK expression, suggesting novel roles for the lactogens in the defense against diabetes.
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12 |
12765946
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This study examined whether altered pyruvate dehydrogenase phosphatase (PDP) expression also contributes to changes in the phosphorylation state of PDC during starvation and diabetes.
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