MOTS-C
MOTS-C is a 16-amino-acid mitochondrial-derived peptide encoded within the mitochondrial 12S rRNA gene. It is studied for its role in mitochondrial–nuclear communication, particularly how cellular energy status may influence gene expression in preclinical systems.
Mechanistic Notes
AMPK Pathway Engagement
Preclinical studies indicate that MOTS-C:
- Activates AMPK through modulation of the folate–AICAR cycle
- Influences cellular energy-stress responses in vitro and in vivo animal models
Nucleus Translocation
Under metabolic stress, MOTS-C has been shown in research models to:
- Translocate to the nucleus
- Regulate gene expression via NRF2-associated pathways
Tissue Distribution
Research indicates a strong signal in:
- Skeletal muscle
- Liver
- Adipose tissue
Metabolic Flexibility Models
Laboratory studies use MOTS-C to examine:
- Mitochondrial signaling
- Energy-homeostasis pathways
- Stress-response adaptations
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