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When human muscles are exercised, MYC is found to increase transiently in abundance over 24 hours.

But as we age, the MYC response to exercise is blunted, perhaps explaining a reduced ability to recover from exercise and maintain or gain muscle.

Knowing the precise mechanisms by which MYC drives muscle growth could prove instrumental in creating therapies that reduce muscle loss from aging, potentially improving independence, mobility and health.

The second half examines the use of mouse models to determine if controlled doses, or pulses, of MYC within skeletal muscles would be enough to stimulate muscle growth independent of actual exercise.

He added that they found that three hours after exercising, MYC ranked as the third most important molecule.