Research
Mixed
Cumulative transcriptional increases from consecutive exercise bouts lead to sustained elevations in mRNA levels for certain genes (CPT I, GYS, HO-1), representing the kinetic basis for training adaptations.
Consistent training works because your body doesn't reset completely between workouts. mRNA levels for key metabolic genes stay elevated, accumulating over days to create real physical changes. Don't underestimate the power of showing up regularly.
GoodSupportsHIGH confidence
by day 5, mRNA levels for CPT I, GYS, and HO-1 were all still elevated by about twofold in control exercised relative to control (nonexercised) samples, providing evidence of a 'training response.'
Why this rating
Direct measurement of mRNA levels over 5 days in humans.
Source
Transcriptional regulation of gene expression in human skeletal muscle during recovery from exercise
Henriette Pilegaard et al. · American Journal of Physiology-Endocrinology and Metabolism · 2000
DOI 10.1152/ajpendo.2000.279.4.e806
mechanism_only · n=10Cited 565×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
More from this paper
- Recovery from exercise induces transient, time-dependent increases in the transcription of metabolic genes (UCP3, PDK4, HO-1, LPL, CPT I, HKII) in human skeletal muscle, with peak transcription occurring 1-4 hours post-exercise.Good
- Prolonged exercise duration and intensity significantly amplify the transcriptional response of specific metabolic genes, particularly PDK4, compared to shorter or less intense bouts.Good
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