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#30

MOTS-c

MitochondrialMitochondrial-Derived Peptide MOTS-cMitochondrial ORF of 12S rRNA Type-c

A mitochondrial-derived peptide that acts as an exercise mimetic, regulating metabolic homeostasis with potential applications in aging, obesity, and metabolic disease.

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Overview

MOTS-c is a 16-amino acid peptide encoded within the mitochondrial genome, discovered in 2015 by Dr. Changhan David Lee at the University of Southern California. It was among the first mitochondrial-derived peptides identified with significant hormonal functions, challenging the view that mitochondria are solely energy-producing organelles.

Described as an "exercise mimetic," MOTS-c activates AMPK, a key metabolic sensor, promoting glucose uptake in skeletal muscle and improving insulin sensitivity. In animal studies, it prevented age-related and diet-induced obesity, improved glucose tolerance, and enhanced physical performance.

Circulating MOTS-c levels decline with age, mirroring metabolic function decline. Exercise increases MOTS-c in both muscle and blood, suggesting it may mediate some of exercise's metabolic benefits. In aged mice, MOTS-c treatment improved endurance on treadmill tests.

Uniquely, MOTS-c can translocate to the cell nucleus under metabolic stress, directly regulating gene expression related to stress adaptation. This reveals a previously unknown mitochondrial-nuclear communication pathway, representing a new class of bioactive molecules in aging and metabolic research.

Research Uses & Applications

  • Research into metabolic regulation and insulin sensitization
  • Investigated as an exercise mimetic
  • Studied for anti-obesity effects through AMPK activation
  • Explored for age-related metabolic decline intervention
  • Research into mitochondrial-nuclear communication
  • Investigated for improving physical performance in aging

Key Research Findings

  • MOTS-c prevented age-dependent and high-fat diet-induced insulin resistance in mice (Cell Metabolism, 2015).
  • Circulating MOTS-c declines with age in humans, correlating with metabolic dysfunction.
  • MOTS-c activates AMPK and promotes glucose uptake independently of insulin.
  • Exercise increases MOTS-c levels in muscle and plasma in human subjects.
  • MOTS-c improved physical capacity and endurance in aged mice.

Risks & Side Effects

  • Human clinical trial data is very limited.
  • Long-term effects of exogenous administration are unknown.
  • Potential interactions with metabolic medications have not been characterized.
  • Full spectrum of biological effects is still being mapped.
  • Product quality concerns given novelty of commercial synthesis.

Administration

In animal research, administered intraperitoneally at 5-15 mg/kg. Human-equivalent dosing is not established. Available as a research peptide, typically given subcutaneously. Early-adopter protocols suggest 5-10 mg several times weekly but are not based on controlled human studies.

Legal Status

Not FDA-approved. Available as a research peptide. Not currently WADA-banned but this could change. Not a controlled substance.

Frequently Asked Questions

What is MOTS-c?

A mitochondrial-derived peptide that acts as an exercise mimetic, regulating metabolic homeostasis with potential applications in aging, obesity, and metabolic disease.

What are the main uses of MOTS-c?

The primary research applications of MOTS-c include: Research into metabolic regulation and insulin sensitization; Investigated as an exercise mimetic; Studied for anti-obesity effects through AMPK activation; Explored for age-related metabolic decline intervention; Research into mitochondrial-nuclear communication; Investigated for improving physical performance in aging.

What are the risks and side effects of MOTS-c?

Documented risks and side effects include: Human clinical trial data is very limited.; Long-term effects of exogenous administration are unknown.; Potential interactions with metabolic medications have not been characterized.; Full spectrum of biological effects is still being mapped.; Product quality concerns given novelty of commercial synthesis.. Always consult a healthcare professional before considering any peptide.

Is MOTS-c legal?

Not FDA-approved. Available as a research peptide. Not currently WADA-banned but this could change. Not a controlled substance.

How is MOTS-c administered?

In animal research, administered intraperitoneally at 5-15 mg/kg. Human-equivalent dosing is not established. Available as a research peptide, typically given subcutaneously. Early-adopter protocols suggest 5-10 mg several times weekly but are not based on controlled human studies.

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Important Disclaimer

The information on this page is for educational and informational purposes only. It is not intended as medical advice. Always consult a qualified healthcare professional before considering any peptide or supplement. 50 Best Limited does not endorse, recommend, or promote the use of any peptide for self-administration. Read our full disclaimer.

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