MOTS-c Facts

What is MOTS-c?

MOTS-c (Mitochondrial Open Reading Frame of the 12S rRNA Type-c) is a naturally occurring mitochondrial-derived peptide (MDP) consisting of 16 amino acids. Unlike most peptides encoded by nuclear DNA, MOTS-c is encoded by the mitochondrial genome, making it one of only a few known bioactive peptides produced by mitochondria.

Researchers have investigated MOTS-c for its role in regulating cellular energy metabolism, mitochondrial function, exercise adaptation, and metabolic homeostasis.

Basic Information

• Compound Class: Mitochondrial-derived peptide (MDP)
• Length: 16 amino acids
• Naturally Occurring: Yes
• Encoded By: Mitochondrial DNA (12S rRNA region)
• Primary Research Areas:
  • Energy metabolism
  • Mitochondrial biology
  • Exercise physiology
  • Metabolic regulation
  • Healthy aging
  • Skeletal muscle physiology

Mechanism of Action

MOTS-c functions as a metabolic signaling peptide that helps cells adapt to energetic stress.

Research suggests that MOTS-c may:

• Activate AMP-activated protein kinase (AMPK), a central regulator of cellular energy balance.
• Promote glucose utilization.
• Influence fatty acid metabolism.
• Support mitochondrial function.
• Regulate genes involved in metabolic adaptation.
• Help maintain cellular metabolic homeostasis during physiological stress.

Because of these actions, MOTS-c is often described as an exercise-responsive peptide, as endogenous levels have been shown to increase following exercise in humans.

Areas of Research

Metabolic Health

MOTS-c has been widely studied in laboratory and animal models for its potential role in:

• Glucose metabolism
• Insulin sensitivity
• Energy expenditure
• Lipid metabolism
• Metabolic homeostasis

These findings remain under investigation and require further confirmation in humans.

Mitochondrial Function

Because MOTS-c originates from mitochondria, researchers have investigated its involvement in:

• Mitochondrial signaling
• Cellular stress responses
• Oxidative metabolism
• Cellular energy production
• Mitochondrial quality control

Exercise Physiology

Animal studies have suggested that MOTS-c may influence:

• Skeletal muscle metabolism
• Exercise adaptation
• Physical endurance
• Muscle homeostasis

Exercise itself has been shown to increase endogenous MOTS-c levels, suggesting it may participate in the body's normal response to physical activity.

Healthy Aging Research

Researchers have also explored MOTS-c in relation to:

• Age-related metabolic changes
• Mitochondrial aging
• Cellular resilience
• Maintenance of metabolic function during aging

Most evidence supporting these areas comes from preclinical studies.

Research Use Only: This product is intended exclusively for laboratory and scientific research by qualified professionals. It is not intended for human or veterinary use, diagnosis, treatment, cure, or prevention of any disease. This product has not been evaluated or approved by the U.S. Food and Drug Administration (FDA). Handle and store in accordance with applicable laboratory safety procedures.