What is MOTS-C? Mitochondrial Research Peptide Guide UK. MOTS-C is a peptide with a genuinely unusual origin — it’s encoded not in the nuclear genome like most peptides, but within the mitochondrial genome itself. Short for Mitochondrial Open Reading Frame of the 12S rRNA-c, it belongs to a newly characterised class of mitochondrial-derived peptides (MDPs) that have attracted significant interest in metabolic and longevity research. If you’ve come across MOTS-C in discussions around energy metabolism, insulin sensitivity, or cellular ageing, this guide explains what it is and what the research explores.
What Makes MOTS-C Unique?
Most peptides are encoded in the nuclear genome. MOTS-C is different — it’s produced by the mitochondria themselves, acting as a retrograde signal that communicates mitochondrial status to the rest of the cell and to distant tissues. Under metabolic stress, MOTS-C has been shown to translocate to the nucleus, where it regulates gene expression related to glucose metabolism and antioxidant defence. This makes it a compound of particular interest to researchers studying how mitochondria influence whole-body metabolic health.
How Does MOTS-C Work?
MOTS-C exerts its effects primarily through the AMPK (AMP-activated protein kinase) pathway — a central regulator of cellular energy homeostasis. Research has shown it can inhibit the folate cycle and de novo purine biosynthesis, leading to AICAR accumulation and downstream AMPK activation. This cascade influences glucose uptake, fatty acid oxidation, and mitochondrial biogenesis. MOTS-C has also been studied for its interactions with the integrated stress response (ISR) and the nuclear transcription factor NRF2.
What is MOTS-C Studied For?
Research into MOTS-C spans several areas of metabolic and longevity science. Key research areas include:
- AMPK pathway activation and energy homeostasis
- Insulin sensitivity and glucose metabolism models
- Mitochondrial-nuclear retrograde signalling
- Metabolic syndrome and obesity biology
- Skeletal muscle metabolism and exercise physiology research
- Ageing and longevity biology
- Antioxidant defence and oxidative stress models
Sourcing MOTS-C for Research
Precision Chain Peptides supplies MOTS-C as a lyophilised vial with HPLC-verified purity (≥99%) and a full Certificate of Analysis, UK-dispatched. Related mitochondrial compounds such as SS-31 (Elamipretide) are also available.
Research Use Only
All compounds supplied by Precision Chain Peptides are strictly for in-vitro and laboratory research use only. They are not intended for human or animal consumption, personal use, or self-administration.
Source MOTS-C for research: MOTS-C 10mg Research Peptide — ≥99% purity, HPLC-verified, UK-dispatched. Related compounds: SS-31 10mg | NAD+ 500mg. Related guides: What is SS-31? | What is NAD+?.
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