Title : Cardiolipin-induced activation of pyruvate dehydrogenase links mitochondrial lipid biosynthesis to TCA cycle function.

Pub. Date : 2019 Jul 26

PMID : 31186346






13 Functional Relationships(s)
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1 TAZ-KO cells exhibited decreased flux of [U-13C]glucose to [13C]acetyl-CoA and M2 and M4 isotopomers of tricarboxylic acid (TCA) cycle intermediates. Glucose tafazzin, phospholipid-lysophospholipid transacylase Mus musculus
2 TAZ-KO cells exhibited decreased flux of [U-13C]glucose to [13C]acetyl-CoA and M2 and M4 isotopomers of tricarboxylic acid (TCA) cycle intermediates. [13c]acetyl-coa tafazzin, phospholipid-lysophospholipid transacylase Mus musculus
3 TAZ-KO cells exhibited decreased flux of [U-13C]glucose to [13C]acetyl-CoA and M2 and M4 isotopomers of tricarboxylic acid (TCA) cycle intermediates. Tricarboxylic Acids tafazzin, phospholipid-lysophospholipid transacylase Mus musculus
4 TAZ-KO cells exhibited decreased flux of [U-13C]glucose to [13C]acetyl-CoA and M2 and M4 isotopomers of tricarboxylic acid (TCA) cycle intermediates. Tricarboxylic Acids tafazzin, phospholipid-lysophospholipid transacylase Mus musculus
5 The activity of pyruvate carboxylase, the predominant enzyme for anaplerotic replenishing of the TCA cycle, was elevated in TAZ-KO cells, which also exhibited increased sensitivity to the pyruvate carboxylase inhibitor phenylacetate. Pyruvic Acid tafazzin, phospholipid-lysophospholipid transacylase Mus musculus
6 The activity of pyruvate carboxylase, the predominant enzyme for anaplerotic replenishing of the TCA cycle, was elevated in TAZ-KO cells, which also exhibited increased sensitivity to the pyruvate carboxylase inhibitor phenylacetate. Tricarboxylic Acids tafazzin, phospholipid-lysophospholipid transacylase Mus musculus
7 The activity of pyruvate carboxylase, the predominant enzyme for anaplerotic replenishing of the TCA cycle, was elevated in TAZ-KO cells, which also exhibited increased sensitivity to the pyruvate carboxylase inhibitor phenylacetate. phenylacetic acid tafazzin, phospholipid-lysophospholipid transacylase Mus musculus
8 We attributed a decreased carbon flux from glucose to acetyl-CoA in the TAZ-KO cells to a ~50% decrease in pyruvate dehydrogenase (PDH) activity, which was observed in both TAZ-KO cells and cardiac tissue from TAZ-KO mice. Carbon tafazzin, phospholipid-lysophospholipid transacylase Mus musculus
9 We attributed a decreased carbon flux from glucose to acetyl-CoA in the TAZ-KO cells to a ~50% decrease in pyruvate dehydrogenase (PDH) activity, which was observed in both TAZ-KO cells and cardiac tissue from TAZ-KO mice. Glucose tafazzin, phospholipid-lysophospholipid transacylase Mus musculus
10 We attributed a decreased carbon flux from glucose to acetyl-CoA in the TAZ-KO cells to a ~50% decrease in pyruvate dehydrogenase (PDH) activity, which was observed in both TAZ-KO cells and cardiac tissue from TAZ-KO mice. Acetyl Coenzyme A tafazzin, phospholipid-lysophospholipid transacylase Mus musculus
11 We attributed a decreased carbon flux from glucose to acetyl-CoA in the TAZ-KO cells to a ~50% decrease in pyruvate dehydrogenase (PDH) activity, which was observed in both TAZ-KO cells and cardiac tissue from TAZ-KO mice. Acetyl Coenzyme A tafazzin, phospholipid-lysophospholipid transacylase Mus musculus
12 We attributed a decreased carbon flux from glucose to acetyl-CoA in the TAZ-KO cells to a ~50% decrease in pyruvate dehydrogenase (PDH) activity, which was observed in both TAZ-KO cells and cardiac tissue from TAZ-KO mice. Acetyl Coenzyme A tafazzin, phospholipid-lysophospholipid transacylase Mus musculus
13 Protein-lipid overlay experiments revealed that PDH binds to CL, and supplementing digitonin-solubilized TAZ-KO mitochondria with CL restored PDH activity to WT levels. Digitonin tafazzin, phospholipid-lysophospholipid transacylase Mus musculus