MOTS-c Peptide 20mg – Mitochondrial-Derived Signaling Peptide

Chemical diagram for MOTS-c source: https://en.wikipedia.org/wiki/MOTS-c#/media/File:MOTS-c_structure.png

KEY SPECIFICATIONS:

PRODUCT OVERVIEW:

MOTS-c (Mitochondrial Open Reading Frame of the 12S rRNA-c) is a 16-amino-acid mitochondrial-derived peptide encoded within the mitochondrial genome rather than nuclear DNA. Consequently, it represents a unique class of signaling molecules that operate through distinct cellular mechanisms.

As a “mitokin,” this peptide functions as an intercellular signaling molecule coordinating systemic energy metabolism through AMPK activation and nuclear translocation under metabolic stress. Moreover, recent 2024-2025 studies identified casein kinase 2 (CK2) as the specific binding partner in skeletal muscle, revealing direct protein-protein interactions underlying exercise-mimetic effects. Additionally, research demonstrates that MOTS-c levels decline with age, correlating with metabolic health parameters. Furthermore, genetic studies link specific polymorphisms to exceptional longevity in Japanese centenarian populations. BIONIX supplies MOTS-c with ≥99% HPLC-verified purity for metabolic signaling and mitochondrial-nuclear communication research.

MECHANISM OF ACTION:

MOTS-c operates through unique mitochondrial-to-nuclear communication pathways, thereby distinguishing it from nuclear-encoded signaling peptides.

Mitochondrial-Derived Peptide Classification

MOTS-c belongs to an emerging class of mitochondrially-encoded bioactive peptides. Therefore, understanding its classification relative to other MDPs is essential for research design:

Unique Features: Unlike nuclear-encoded proteins, MOTS-c is translated from mitochondrial rRNA genes. Additionally, it is released under metabolic stress, capable of nuclear translocation, and functions as a systemic “mitokin” signaling molecule. As a result, researchers gain a unique tool for studying inter-organelle communication and metabolic coordination.

AMPK Signaling Pathway

MOTS-c activates AMPK through multiple mechanisms, thus creating exercise-like metabolic effects:

Downstream AMPK Effects:

CK2 Binding Discovery (2024)

A 2024 breakthrough identified the direct molecular target of MOTS-c in skeletal muscle. Specifically, this discovery revealed:

Importantly, this discovery provides mechanistic clarity for exercise-mimetic research applications.

Nuclear Translocation Capability

A distinctive feature of MOTS-c is its ability to translocate to the nucleus under metabolic stress. Consequently, researchers can investigate:

Gene Expression Modulation:

• Energy homeostasis genes
• Stress response pathways
• Mitochondrial biogenesis factors
• Furthermore, anti-inflammatory mediators

Folate Metabolism Modulation

Moreover, MOTS-c uniquely influences one-carbon metabolism, sharing metabolic signatures with metformin:

RESEARCH APPLICATIONS:

Metabolic Syndrome and Insulin Resistance

Investigation of glucose homeostasis restoration, insulin sensitivity improvement, and insulin-independent glucose uptake in skeletal muscle represents primary applications. Additionally, researchers examine metabolic flexibility enhancement and pancreatic islet protection. Furthermore, 2024-2025 studies demonstrate effective delay of weight gain in diabetic models. Consequently, researchers can investigate prevention of pancreatic islet senescence and potential mechanisms for diabetes onset delay.

Skeletal Muscle and Exercise Mimetic Research

MOTS-c functions as a potential “exercise mimetic” through AMPK activation similar to physical exercise. Therefore, research applications include physical performance and endurance studies, myostatin inhibition analysis, and muscle mass preservation in atrophy models. Moreover, human studies correlate higher serum MOTS-c levels with greater muscle mass and improved functional performance. As a result, researchers gain insights into muscle-boosting research pathways.

Aging and Longevity Studies

Investigation of age-related MOTS-c decline, cellular senescence prevention, and metabolic rejuvenation represents expanding research areas. Furthermore, population studies identified a specific polymorphism associated with exceptional longevity in Japanese centenarian populations. Consequently, researchers can investigate genetic determinants of healthy aging and mitochondrial-derived peptide contributions to longevity.

Mitochondrial Function and Biogenesis

Models analyzing mitochondrial-nuclear communication, citrate synthase activity, and respiratory function restoration provide fundamental research applications. Additionally, researchers examine ATP synthesis efficiency and mitochondrial content assessment. Furthermore, applications include diabetic cardiomyopathy models, aged tissue preparations, and metabolically stressed cell systems. Therefore, MOTS-c enables comprehensive mitochondrial research across multiple disease models.

Cardiac and Metabolic Tissue Protection

2024-2025 research demonstrates restored mitochondrial function in diabetic cardiac tissue models. Specifically, AMPK-mediated pathways show significant tissue-protective effects. Consequently, researchers can investigate tissue-specific metabolic rescue mechanisms and inter-organ metabolic communication.

Additional Emerging Areas

Moreover, researchers explore inflammation research (pain relief, cytokine modulation), fertility studies (spermatogenesis protection via SLC7A11/ferroptosis pathway), immune enhancement (macrophage function), and neuroprotection (cognitive function). However, all applications remain strictly limited to controlled laboratory environments.

ANALYTICAL VERIFICATION:

BIONIX MOTS-c undergoes comprehensive analytical characterization. Specifically, each batch includes:

• HPLC Analysis: ≥99% purity confirmation via optimized gradient chromatography for 16-amino-acid peptide (2,174.6 Da)
• Mass Spectrometry: Electrospray ionization (ESI) for molecular weight confirmation and sequence verification
• Sequence Verification: Full 16-amino-acid confirmation
• Amino Acid Composition: Quantitative analysis validating content
• Furthermore, Endotoxin Testing via LAL assay for laboratory quality assurance

Physical Characteristics:

DEVELOPMENT STATUS:

MOTS-c represents an emerging research compound in the mitochondrial-derived peptide category. Specifically:

• Discovery: 2015 (Lee et al., Cell Metabolism)
• Gene Origin: Mitochondrial 12S rRNA (unique among signaling peptides)
• Mechanism Clarity: 2024 CK2 binding discovery provided direct protein target identification
• Clinical Status: Preclinical/early clinical research; not approved for therapeutic use
• Furthermore, Regulatory Note: Research compound status; not for human administration
• Research Status: Active investigation in metabolic, aging, and exercise physiology domains
• Availability: BIONIX supplies exclusively for controlled laboratory research

Consequently, BIONIX MOTS-c is intended exclusively for in vitro and in vivo research applications in laboratory settings.

FREQUENTLY ENCOUNTERED INQUIRIES:

What is MOTS-c and what makes it unique? MOTS-c is a 16-amino-acid mitochondrial-derived peptide encoded within the mitochondrial 12S rRNA gene. Therefore, it represents a rare example of non-nuclear genetic encoding. Functioning as a “mitokin,” MOTS-c coordinates systemic metabolism through AMPK activation and nuclear translocation. Moreover, recent 2024 discoveries identified casein kinase 2 (CK2) as its specific binding partner in skeletal muscle. Additionally, genetic studies link MOTS-c polymorphisms to exceptional longevity in Japanese centenarians.

How does MOTS-c function as an exercise mimetic? MOTS-c activates AMPK pathways similar to physical exercise, thus earning classification as an “exercise mimetic.” Specifically, the 2024 CK2 binding discovery in skeletal muscle revealed the direct molecular mechanism. Furthermore, research demonstrates improved physical performance, endurance enhancement, and myostatin inhibition. Consequently, studies correlate higher serum MOTS-c levels with greater muscle mass in human subjects.

What are the primary research applications? Laboratory research focuses on metabolic syndrome and insulin resistance, skeletal muscle biology, aging and longevity, mitochondrial function, and tissue-specific protection. Therefore, the AMPK activation pathway makes MOTS-c central to cellular energy balance investigations across diverse research domains.

What storage conditions maintain MOTS-c stability? Lyophilized powder requires -20°C storage for long-term stability (24+ months). However, room temperature is sufficient for shipping. Furthermore, after reconstitution with bacteriostatic water, store at 2-8°C and use within 2-4 weeks. Importantly, avoid repeated freeze-thaw cycles and protect from light at all stages.

How does MOTS-c compare to Humanin and other mitochondrial-derived peptides? While both MOTS-c and Humanin originate from mitochondrial rRNA genes, they exhibit distinct functions. Specifically, MOTS-c (12S rRNA, 16 aa) activates AMPK for metabolic regulation, whereas Humanin (16S rRNA, 24 aa) focuses on cytoprotection. Additionally, SHLP1-6 peptides represent further mitochondrial-derived signaling molecules with varying functions. Consequently, MOTS-c’s nuclear translocation provides unique research differentiation.

What is the purity and analytical verification? BIONIX MOTS-c is verified to ≥99% purity through HPLC analysis. Furthermore, each batch undergoes mass spectrometry for molecular identity confirmation (2,174.6 Da). Additionally, quality parameters include amino acid composition analysis and endotoxin testing. Therefore, researchers receive batch-specific Certificates of Analysis with complete analytical transparency.

REFERENCES:

• PMID: 25738459 — Lee C et al., “The mitochondrial-derived peptide MOTS-c promotes metabolic homeostasis and reduces obesity and insulin resistance,” Cell Metabolism, 2015;21(3):443-454.
• PMID: 26950378 — Fuku N et al., “The mitochondrial-derived peptide MOTS-c: A player in exceptional longevity?” Aging Cell, 2015.
• PMC 2025 — “Mitochondria-derived peptide MOTS-c restores mitochondrial function in diabetic models.”
• Exp Mol Med 2025 — “Mitochondrial-encoded peptide MOTS-c prevents pancreatic islet cell senescence to delay diabetes.”
• 2024 Study — CK2 binding in skeletal muscle (casein kinase 2 direct protein interaction).
• Reynolds JC et al., “MOTS-c is an exercise-induced mitochondrial-encoded regulator of age-dependent physical decline,” Nat Commun, 2021.
• Kim SJ et al., “MOTS-c: An equal opportunity insulin sensitizer,” J Mol Med, 2019.