Title : Substrate overload: Glucose oxidation in human myotubes conquers palmitate oxidation through anaplerosis.

Pub. Date : 2010 Jan 15

PMID : 20026062






4 Functional Relationships(s)
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1 At high substrate levels; PA oxidation was reduced while release of acid soluble metabolites was increased and, both glucose oxidation and release of citrate was increased which could be abolished by phenylacetic acid (inhibitor of pyruvate carboxylase (PC)). Glucose pyruvate carboxylase Homo sapiens
2 At high substrate levels; PA oxidation was reduced while release of acid soluble metabolites was increased and, both glucose oxidation and release of citrate was increased which could be abolished by phenylacetic acid (inhibitor of pyruvate carboxylase (PC)). Glucose pyruvate carboxylase Homo sapiens
3 Although they operate at low-moderate substrate levels additional two principles determine substrate oxidation at higher substrate concentrations; first, anaplerosis of the tricarboxylic cycle through PC promoting complete and incomplete glucose oxidation; second, inhibition of complete PA oxidation with increasing incomplete PA oxidation mediated by high glucose and PA levels, respectively. Glucose pyruvate carboxylase Homo sapiens
4 Although they operate at low-moderate substrate levels additional two principles determine substrate oxidation at higher substrate concentrations; first, anaplerosis of the tricarboxylic cycle through PC promoting complete and incomplete glucose oxidation; second, inhibition of complete PA oxidation with increasing incomplete PA oxidation mediated by high glucose and PA levels, respectively. Glucose pyruvate carboxylase Homo sapiens