Research

Hormonal

Skeletal muscle releases alpha-sarcoglycan-positive extracellular vesicles (EVs) containing muscle-specific microRNAs (myomiRs) into the bloodstream, serving as a mechanism for inter-organ communication and adaptation to exercise.

This research highlights that aerobic exercise triggers your muscles to release specific signaling molecules (miRNAs) packaged in protective vesicles. These signals likely help regulate muscle health and adaptation. To leverage this, prioritize consistent aerobic exercise (e.g., running, cycling) which has been shown to modulate these specific muscle-derived signals, rather than assuming all exercise types produce identical molecular benefits.

ModerateSupportsMEDIUM confidence
Thus, our study proposes EVs as a novel means of muscle communication potentially involved in muscle remodeling and homeostasis.
Michele Guescini et al. · PLoS ONE · 2015

Why this rating

Small sample size (n=18-22), cross-sectional and acute bout design, no long-term clinical outcomes.

Source

Muscle Releases Alpha-Sarcoglycan Positive Extracellular Vesicles Carrying miRNAs in the Bloodstream

Michele Guescini et al. · PLoS ONE · 2015

DOI 10.1371/journal.pone.0125094

cross_sectional · n=18Cited 221×
Read the paper
DOI resolved against Crossref · corpus check 2026-06-10

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