Muscle protein synthesis in response to nutrition and exercise
Analysing distinct subcellular fractions (e.g. myofibrillar, sarcoplasmic, mitochondrial) may provide a readout of chronic exercise efficacy in addition to effect size in MPS per se, i.e. while ‘mixed’ MPS increases similarly with endurance and RE, increases in myofibrillar MPS are specific to RE, prophetic of adaptation (i.e. hypertrophy ...
Myofibrillar protein synthesis and muscle hypertrophy …
2019年9月1日 · Manipulating common RT variables elicited similar muscle hypertrophy than a standard progressive RT program in trained young men. Intrinsic individual factors are key determinants of the MyoPS and change in muscle CSA compared with extrinsic manipulation of common RT variables.
Making Sense of Muscle Protein Synthesis: A Focus on Muscle
2022年1月1日 · The metabolic basis for muscle hypertrophy is the dynamic balance between the synthesis and degradation of myofibrillar proteins in muscle. There is ample evidence that the process of MPS is much more responsive to exercise and nutrition interventions than muscle protein breakdown.
Myofibrillar muscle protein synthesis rates subsequent to a meal …
Objective: We characterized the dose-response relation of postabsorptive rates of myofibrillar MPS to increasing amounts of whey protein at rest and after exercise in resistance-trained, young men. Design: Volunteers (n = 48) consumed a standardized, high …
Myofibrillar protein synthesis rates are increased in chronically ...
We investigated anabolic signaling and muscle protein synthesis rates at several time points after acute and chronic eccentric loading. Adult rat tibialis anterior muscle was stimulated for six sets of ten repetitions, and the muscle was collected at 0 h, 6 h, 18 h and 48 h.
Myofibrillar muscle protein synthesis rates subsequent to a meal …
2014年1月1日 · We characterized the dose-response relation of postabsorptive rates of myofibrillar MPS to increasing amounts of whey protein at rest and after exercise in resistance-trained, young men. Volunteers (n = 48) consumed a standardized, high-protein (0.54 g/kg body mass) breakfast.
The Effect of Whey Protein Supplementation on Myofibrillar Protein ...
2020年3月21日 · Witard O.C., Jackman S.R., Breen L., Smith K., Selby A., Tipton K.D. Myofibrillar muscle protein synthesis rates subsequent to a meal in response to increasing doses of whey protein at rest and after resistance exercise.
Myofibrillar protein synthesis was stimulated 1.5–fold 0.5 – 4 h post-exercise (p < 0.05), returning to rest in the LOW condition 24 h post-exercise, while 6 out of 8 subjects maintained increased myofibrillar FSR 24 h post HIGH exercise (p < 0.05). The increase in myofibrillar FSR
Myofibrillar protein synthesis and muscle hypertrophy …
2019年9月13日 · Systematically manipulating resistance training (RT) variables during RT augments the stimulation of myofibrillar protein synthesis (MyoPS) and training volume but fails to potentiate muscle hypert...
Myofibrillar protein synthesis following ingestion of soy …
We aimed to compare changes in myofibrillar protein synthesis (MPS) in elderly men at rest and after resistance exercise following ingestion of different doses of soy protein and compare the responses to those we previously observed with ingestion of whey protein isolate.