MOTS-c 10 mg

Research Focus: Mitochondrial Signaling · Cellular Metabolism · Energy Homeostasis
Compound Class: Mitochondrial-Derived Peptide (MDP)

Mechanism of Action

MOTS-c (Mitochondrial Open Reading Frame of the 12S rRNA-c) is a naturally occurring 16-amino-acid mitochondrial-derived peptide encoded within the mitochondrial 12S rRNA (MT-RNR1) region.

Unlike conventional peptide hormones encoded by nuclear DNA, MOTS-c originates from a small open reading frame within mitochondrial DNA. This unusual origin has made MOTS-c an important research molecule for investigating communication between mitochondria and the rest of the cell.

One of the most extensively investigated pathways associated with MOTS-c is AMP-activated protein kinase (AMPK), which functions as a cellular energy sensor. Experimental research indicates that MOTS-c can influence intermediary metabolism in ways that increase AMPK activity.

MOTS-c has also been linked to folate and purine metabolism. Early mechanistic studies found that MOTS-c alters folate-dependent one-carbon metabolism and purine biosynthesis.

An additional feature of MOTS-c biology is its potential role in mitochondrial-to-nuclear communication. Under metabolic stress, experimental studies have reported translocation of MOTS-c to the nucleus, where it can interact with transcriptional regulatory systems.

Product Overview

MOTS-c 10 mg is a research peptide belonging to the emerging class of mitochondrial-derived peptides (MDPs).

Mitochondria have traditionally been viewed primarily as organelles responsible for oxidative metabolism and ATP generation. The discovery of mitochondrial-derived peptides such as MOTS-c and humanin demonstrated that mitochondrial DNA can also encode small signaling molecules capable of participating in cellular communication.

Its biological activity has been investigated particularly in relation to AMPK signaling, glucose metabolism, metabolic flexibility, and cellular responses to energetic stress.

Primary Biological Targets & Pathways

• AMP-activated protein kinase (AMPK)
• Cellular energy-sensing pathways
• Mitochondrial signaling
• Mitochondrial-to-nuclear communication
• Glucose metabolism
• Fatty-acid metabolism
• Folate metabolism
• One-carbon metabolism
• Purine biosynthesis
• Cellular stress-response pathways
• Nuclear gene regulation
• Metabolic homeostasis

Primary Research Applications

MOTS-c has been investigated in research involving:

• Mitochondrial biology
• Cellular energy metabolism
• AMPK signaling
• Glucose metabolism
• Insulin signaling
• Metabolic flexibility
• Skeletal muscle metabolism
• Exercise physiology
• Cellular stress adaptation
• Mitochondrial-to-nuclear communication
• Aging biology
• Mitochondrial-derived peptide signaling

Scientific Evidence

Evidence Level: ★★☆☆☆ (2 of 5)

MOTS-c has a growing body of molecular, cellular, animal and observational human research, but its evidence base remains substantially more experimental than that of clinically developed metabolic compounds such as tirzepatide or tesamorelin.

Much of the evidence defining MOTS-c’s metabolic functions originates from cellular experiments and animal models. Human studies have examined naturally occurring circulating MOTS-c and genetic variants, but these should be distinguished from controlled clinical evidence evaluating externally administered MOTS-c.

MOTS-c is not an FDA-approved therapeutic agent, and controlled human intervention data involving exogenous MOTS-c remain limited.

Research Highlights

Published research has reported that MOTS-c:

• Is encoded by a mitochondrial genomic region rather than conventional nuclear DNA.
• Functions as a mitochondrial-derived signaling peptide.
• Influences cellular metabolic pathways associated with AMPK activation.
• Modulates folate-dependent one-carbon metabolism and purine biosynthesis in experimental systems.
• Can participate in mitochondrial-to-nuclear communication.
• Has demonstrated stress-dependent nuclear translocation in experimental models.

Important Research Distinction

Research involving MOTS-c should be separated into endogenous MOTS-c biology — naturally produced MOTS-c, circulating concentrations and physiological associations — and exogenous MOTS-c research, in which synthesized MOTS-c is introduced into cellular or animal models.

Findings demonstrating a biological function for naturally occurring MOTS-c do not automatically establish equivalent outcomes from externally supplied MOTS-c.

Research Use Disclaimer

For Laboratory Research Use Only.

This product is intended exclusively for scientific, analytical, and laboratory research. Information presented describes the compound’s molecular biology and findings reported in scientific literature, and should not be interpreted as instructions for administration or as expected outcomes in individuals.

This product is not intended for human consumption, therapeutic administration, diagnosis, treatment, cure, or prevention of disease.

References

• Lee C, et al. The Mitochondrial-Derived Peptide MOTS-c Promotes Metabolic Homeostasis. Cell Metabolism.
• Kim KH, et al. The Mitochondrial-Encoded Peptide MOTS-c Translocates to the Nucleus to Regulate Nuclear Gene Expression. Cell Metabolism.
• Reynolds JC, et al. Research examining MOTS-c, mitochondrial signaling and age-associated physiology.
• Fuku N, et al. Human genetic research examining MOTS-c sequence variation.
• Peer-reviewed literature examining mitochondrial-derived peptides and AMPK signaling.