About The Medical Condition Cycles, Futile

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

Cycles, Futile

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

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

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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