MOTS-c: The Mitochondrial-Derived Peptide for Metabolic Homeostasis Research

What is MOTS-c?

MOTS-c (Mitochondrial Open Reading Frame of the 12S rRNA Type-c) is a member of a new class of molecules known as **Mitochondrial-Derived Peptides (MDPs)**. Unlike traditional peptides encoded in the cell nucleus, MOTS-c is encoded in the mitochondria's own DNA.

Discovered in 2015, MOTS-c functions as a systemic signaling molecule. It is produced in the mitochondria in response to metabolic stress and travels to the nucleus and other tissues to coordinate the body's energy response.

Mechanism: AMPK & Metabolic Signaling

The primary mechanism of MOTS-c is the activation of AMP-activated protein kinase (AMPK). AMPK is often called the "master metabolic switch" because it detects low energy levels in the cell and initiates processes to generate more ATP.

Improving Glucose Uptake

In research models, MOTS-c-induced AMPK activation leads to increased glucose uptake in skeletal muscle, even in the absence of insulin. This bypasses "insulin resistance" pathways, making it a primary focus for researchers studying type 2 diabetes and metabolic syndrome.

Fatty Acid Oxidation

MOTS-c also promotes the breakdown of fatty acids for fuel. By "reprogramming" the cell to be more metabolically flexible, it helps reduce fat accumulation in the liver and muscle tissues.

The Exercise Mimetic Potential

Because MOTS-c activates many of the same pathways as intense physical exercise, it is often researched as an **Exercise Mimetic**. In aging animal models, administration of MOTS-c has been shown to restore physical performance and endurance levels to those of much younger subjects.

• Increased Mitochondrial Biogenesis: Telling the cell to build more "power plants."
• Enhanced ATP Production: Improving the efficiency of cellular energy generation.
• Better Recovery: Reducing oxidative stress following physical exertion.

Longevity & Aging Research

Levels of endogenous MOTS-c decline significantly with age. This decline is linked to the loss of mitochondrial function and the onset of age-related metabolic diseases. Research investigates whether replacing this "lost signal" can reverse aspects of cellular aging and extend healthspan.

Research Protocols & Dosing

• Administration: Subcutaneous injection.
• Research Dose: 5 mg to 10 mg per injection.
• Frequency: Typically administered 2–3 times per week.
• Cycle Duration: Research models often utilize 4–6 week cycles.
• Storage: Lyophilized powder should be stored in the freezer. Reconstituted solution must be refrigerated and used within 14 days.

Frequently Asked Questions