Mots-c: A Mitochondrial-Derived Peptide for Metabolic Research
Overview
Mots-c (also written as MOTS-c) is a 16-amino acid peptide encoded by the mitochondrial genome. It represents a novel class of bioactive peptides known as mitochondrial-derived peptides (MDPs) that play crucial roles in regulating cellular metabolism and mitochondrial function.
Molecular Formula: C₈₆H₁₃₈N₂₆O₂₂
Molecular Weight: Approximately 2174 Da
Sequence: Met-Arg-Trp-Gln-Glu-Met-Gly-Tyr-Ile-Phe-Thr-Met-Ser-Asp-Glu-Ser
Source: Encoded in the mitochondrial 12S rRNA gene
Mechanism of Action
Mots-c functions as a mitochondrial signaling peptide with multiple biological effects:
Metabolic Regulation
AMPK Activation: Activates AMP-activated protein kinase (AMPK)
- Increases cellular energy sensing
- Promotes glucose uptake
- Enhances fatty acid oxidation
Mitochondrial Function
- Improves mitochondrial biogenesis
- Enhances mitochondrial dynamics
- Supports ATP production
Insulin Sensitivity
- Improves glucose metabolism
- Enhances insulin signaling
- Reduces insulin resistance
Cellular Pathways
- mTORC1 Inhibition: Regulates cellular growth and metabolism
- Folate Cycle: Interacts with mitochondrial folate metabolism
- Antioxidant Response: May influence oxidative stress pathways
Research Findings
Metabolic Studies
Animal Research has demonstrated:
- Glucose Metabolism: Improved glucose tolerance and insulin sensitivity
- Obesity: Reduced body weight and fat mass in diet-induced obesity models
- Exercise Performance: Enhanced exercise capacity and recovery
- Aging: Countered age-related metabolic decline
Key Research Areas
| Research Focus | Findings |
|---|---|
| Glucose Tolerance | Significant improvements in glucose tolerance tests |
| Insulin Resistance | Reduced insulin resistance markers |
| Body Composition | Decreased fat mass, preserved lean mass |
| Exercise Capacity | Increased running distance and time to exhaustion |
Mechanism Studies
- Mots-c localizes to various tissues including skeletal muscle, heart, and liver
- Crosses cellular membranes and localizes to mitochondria
- Acts in a paracrine and endocrine fashion
Research Applications
Mots-c serves as an important research tool for:
- Mitochondrial Biology: Studying mitochondrial-derived signaling
- Metabolic Disorders: Obesity, diabetes, and metabolic syndrome research
- Aging Research: Mitochondrial theory of aging studies
- Exercise Physiology: Understanding exercise mimetics
- Insulin Resistance: Investigating novel therapeutic approaches
Usage Information
Important: Mots-c is provided for scientific research purposes only. Not for human consumption.
Research Administration
- Subcutaneous injection in research protocols
- Intravenous administration in some studies
- Dose ranges varying by study design
Storage
- Lyophilized powder: -20°C or below
- Reconstituted solution: Per study protocol
- Minimize repeated freeze-thaw cycles
Comparison: Mots-c vs Other Metabolic Peptides
| Feature | Mots-c | GLP-1 Agonists | FGF21 |
|---|---|---|---|
| Source | Mitochondrial | Intestinal | Fibroblast growth factor |
| Primary Target | Mitochondria | Pancreas | Liver |
| Mechanism | AMPK activation | Insulin secretion | Energy expenditure |
| Research Focus | Mitochondrial function | Glucose control | Metabolic regulation |
Conclusion
Mots-c represents a cutting-edge area of research in mitochondrial biology and metabolic regulation. Its unique mechanism of action targeting mitochondrial function offers new avenues for understanding and potentially treating metabolic disorders.
References
- Lee, C., et al. (2015). "The Mitochondrial-Derived Peptide MOTS-c Acts as an Exercise Mimetic." Nature Communications.
- Lee, C., & Wan, J. (2020). "MOTS-c: A Mitochondrial-Encoded Peptide Regulating Metabolism." Current Opinion in Endocrine and Metabolic Research.
- Kim, S.J., et al. (2018). "MOTS-c: A Novel Mitochondrial Peptide for Metabolic Disease." Journal of Gerontology.
Disclaimer: This content is for research purposes only. Not for human consumption. Amino+ Labs provides high-purity research peptides for scientific study.