About The Medical Condition Cycles, Futile Substrate

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Find the definition of the medical term Cycles, Futile Substrate. Cycles, Futile Substrate defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.

Cycles, Futile Substrate

Cycles, Futile Substrate Medical Condition Defined & Explained
Cycles, Futile Substrate Medical Condition

What's The Definition Of The Medical Condition Cycles, Futile Substrate?

A set of opposing, nonequilibrium reactions catalyzed by different enzymes which act simultaneously, with at least one of the reactions driven by ATP hydrolysis. The results of the cycle are that ATP energy is depleted, heat is produced and no net substrate-to-product conversion is achieved. Examples of substrate cycling are cycling of gluconeogenesis and glycolysis pathways and cycling of the triglycerides and fatty acid pathways. Rates of substrate cycling may be increased many-fold in association with hypermetabolic states resulting from severe burns, cold exposure, hyperthyroidism, or acute exercise.

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