MOTC

Research

Current research indicates MOTS-c is a significant subject of study for metabolic and age-related conditions. While human clinical data is in the early stages, animal models have provided extensive insights into its mechanisms.

Metabolic Regulation
MOTS-c modulates nuclear gene expression by translocating to the nucleus under metabolic stress, interacting with transcription factors like NRF2 to influence glucose metabolism and antioxidant responses.¹ It activates the AMPK pathway, which enhances insulin sensitivity and energy dissipation, effectively preventing diet-induced obesity and metabolic dysfunction, particularly in postmenopausal models.²,³

Neuroprotection and Cognitive Function
The peptide exhibits anti-inflammatory properties, suppressing the activation of astrocytes and microglia to reduce proinflammatory cytokines like IL-6, TNF-α, and COX-2.⁴ This neuroprotective effect has been linked to improved cognitive performance and memory consolidation in Alzheimer's disease and traumatic brain injury models.⁵ Additionally, MOTS-c supports brain function post-injury by enhancing lipid β-oxidation.⁴

Muscle Homeostasis and Physical Decline
MOTS-c regulates genes related to proteostasis and metabolism, helping myoblasts adapt to stress and preventing atrophy.⁶,⁷ By reducing myostatin—a negative regulator of muscle mass—it maintains muscle growth through the PTEN/AKT/FOXO1 signaling pathway.⁷ Its expression in human skeletal muscle during exercise suggests it plays a natural role in maintaining physical capacity throughout aging.⁶

Longevity and Anti-Aging
Research positions MOTS-c as a prospective therapeutic for promoting longevity.⁸ Beyond its role in metabolic and physical health, specific genetic polymorphisms in the MOTS-c encoding region have been associated with exceptional human longevity, suggesting a possible biological basis for its anti-aging potential.⁹

References
Kim, K., Son, J., Benayoun, B., & Lee, C. (2018). The Mitochondrial-Encoded Peptide MOTS-c Translocates to the Nucleus to Regulate Nuclear Gene Expression in Response to Metabolic Stress.. Cell metabolism, 28 3, 516-524.e7 . https://doi.org/10.1016/j.cmet.2018.06.008.

Lu, H., Wei, M., Zhai, Y., Li, Q., Ye, Z., Wang, L., Luo, W., Chen, J., & Lu, Z. (2019). MOTS-c peptide regulates adipose homeostasis to prevent ovariectomy-induced metabolic dysfunction. Journal of Molecular Medicine, 97, 473 – 485. https://doi.org/10.1007/s00109-018-01738-w.

Lee, C., Zeng, J., Drew, B., Sallam, T., Martín-Montalvo, A., Wan, J., Kim, S., Mehta, H., Hevener, A., De Cabo, R., & Cohen, P. (2015). The mitochondrial-derived peptide MOTS-c promotes metabolic homeostasis and reduces obesity and insulin resistance.. Cell metabolism, 21 3, 443-54 . https://doi.org/10.1016/j.cmet.2015.02.009.

Li, F., Jia, Y., Fang, J., Gong, L., Zhang, Y., Wei, S., Wu, L., & Jiang, P. (2024). Neuroprotective Mechanism of MOTS-c in TBI Mice: Insights from Integrated Transcriptomic and Metabolomic Analyses. Drug Design, Development and Therapy, 18, 2971 – 2987. https://doi.org/10.2147/DDDT.S460265.

Jiang, J., Chang, X., Nie, Y., Shen, Y., Liang, X., Peng, Y., & Chang, M. (2021). Peripheral Administration of a Cell-Penetrating MOTS-c Analogue Enhances Memory and Attenuates Aβ1-42- or LPS-Induced Memory Impairment through Inhibiting Neuroinflammation.. ACS chemical neuroscience. https://doi.org/10.1021/acschemneuro.0c00782.

Reynolds, J., Lai, R., Woodhead, J., Joly, J., Mitchell, C., Cameron-Smith, D., Lu, R., Cohen, P., Graham, N., Benayoun, B., Merry, T., & Lee, C. (2021). MOTS-c is an exercise-induced mitochondrial-encoded regulator of age-dependent physical decline and muscle homeostasis. Nature Communications. https://doi.org/10.1038/s41467-020-20790-0.

Kumagai, H., Coelho, A., Wan, J., Mehta, H., Yen, K., Huang, A., Zempo, H., Fuku, N., Maeda, S., Oliveira, P., Cohen, P., & Kim, S. (2021). MOTS-c reduces myostatin and muscle atrophy signaling.. American journal of physiology. Endocrinology and metabolism. https://doi.org/10.1152/ajpendo.00275.2020.

Mohtashami, Z., Singh, M., Salimiaghdam, N., Ozgul, M., & Kenney, M. (2022). MOTS-c, the Most Recent Mitochondrial Derived Peptide in Human Aging and Age-Related Diseases. International Journal of Molecular Sciences, 23. https://doi.org/10.3390/ijms231911991.

Fuku, N., Pareja-Galeano, H., Zempo, H., Alis, R., Arai, Y., Lucia, A., & Hirose, N. (2015). The mitochondrial‐derived peptide MOTS‐c: a player in exceptional longevity?. Aging Cell, 14, 921 – 923. https://doi.org/10.1111/acel.12389.