Molecular Characteristics
Complete Specifications
Structural Composition
Met-Arg-Trp-Gln-Glu-Met-Gly-Tyr-Ile-Phe-Tyr-Pro-Arg-Lys-Leu-Arg
Physical Properties
MOTS-c is a 16-amino-acid peptide encoded within mitochondrial DNA and synthesized as a short mitochondrial-derived peptide. Its compact structure supports aqueous solubility and practical handling under laboratory conditions. The peptide contains multiple basic residues contributing to overall positive charge at physiological pH. As with other short peptides, lyophilized storage and protection from moisture, light exposure, and repeated freeze–thaw cycles help preserve structural integrity and analytical consistency during research applications.
Research Applications
Mitochondrial Signaling and Metabolic Regulation Research
MOTS-c is utilized as a mitochondrial-derived peptide in research studies examining cellular energy sensing and metabolic regulatory signaling pathways. Laboratory investigations focus on its role in:
- AMPK Activation Models: Investigation of cellular energy-sensing pathways and downstream metabolic adaptations
- Glucose Uptake Signaling Studies: Evaluation of intracellular pathways influencing glucose transport mechanisms
- Mitochondrial–Nuclear Communication Research: Analysis of retrograde signaling interactions between mitochondria and nuclear gene expression systems
- Second Messenger Pathway Models: Examination of intracellular cascades associated with metabolic stress adaptation
- Energy Homeostasis Studies: Investigation of coordinated signaling networks maintaining cellular energy balance
Experimental protocols commonly employ metabolic flux assays, mitochondrial respiration measurements, and gene expression profiling techniques to characterize MOTS-c–mediated cellular responses.
Glucose and Lipid Metabolism Research
MOTS-c has been examined in research contexts involving substrate utilization and metabolic flexibility models. Key areas of investigation include:
- Insulin Signaling Interaction Models: Evaluation of cross-talk between energy-sensing pathways and insulin-mediated responses
- Fatty Acid Oxidation Studies: Investigation of lipid substrate utilization under metabolic stress conditions
- Adipocyte Signaling Research: Analysis of intracellular pathways influencing energy storage and mobilization
- Mitochondrial Biogenesis Models: Research into transcriptional regulation associated with mitochondrial adaptation
- Metabolic Flexibility Studies: Examination of adaptive substrate switching mechanisms
These studies utilize glucose uptake assays, lipid oxidation measurements, and transcriptional profiling systems to evaluate metabolic signaling outcomes.
Skeletal Muscle and Exercise Physiology Research
MOTS-c has also been explored in research models examining skeletal muscle metabolism and energy-demand adaptation, including:
- Muscle Cell Energy Utilization Studies: Evaluation of mitochondrial respiration and ATP production efficiency
- Oxidative Stress Response Models: Investigation of redox signaling pathways during metabolic challenge
- Gene Expression Adaptation Research: Analysis of transcriptional responses to energetic demand shifts
- Substrate Efficiency Studies: Examination of intracellular energy partitioning mechanisms
Laboratory protocols assess mitochondrial function, oxygen consumption rates, and metabolic biomarker expression using biochemical and imaging-based techniques.
Cellular Signaling and Longevity-Associated Research
Additional research applications explore MOTS-c’s influence on intracellular regulatory systems associated with metabolic resilience and adaptive signaling, including:
- SIRT and AMPK Interaction Studies: Investigation of coordinated pathways involved in cellular energy sensing
- Gene Regulation Profiling: Analysis of nuclear transcriptional responses influenced by mitochondrial signaling
- Stress Adaptation Models: Research into signaling pathways activated during metabolic challenge conditions
- Integrated Energy Homeostasis Systems: Examination of coordinated signaling networks maintaining metabolic equilibrium
Research in this domain focuses on understanding how MOTS-c influences mitochondrial-derived signaling, metabolic regulation pathways, and cellular adaptive responses under controlled experimental conditions.
Laboratory Handling and Storage Protocols
Lyophilized Powder Storage
- Store at –20°C to –80°C in the original, sealed vial
- Protect from light exposure and moisture
- A desiccated storage environment is recommended
- Stability data suggests extended stability when stored at −20 °C or below.
Reconstituted Solution Storage
- Short-term storage: Up to 7 days at 4°C
- Long-term storage: Store at –20°C in aliquots
- Use single-use aliquots to preserve peptide integrity
- Minimize freeze–thaw cycles; single-use aliquots are strongly recommended
Stability Characteristics
MOTS-c is a synthetic mitochondrial-derived peptide research compound that demonstrates stable handling characteristics when managed according to standard peptide laboratory protocols. Proper cold storage of the lyophilized material, careful reconstitution, and minimized freeze–thaw exposure help preserve structural integrity and solubility. When handled appropriately, MOTS-c supports consistent use in in vitro and analytical research applications.
Frequently Asked Questions
What is MOTS-c?
MOTS-c is a short peptide encoded within mitochondrial DNA and classified as a mitochondrial-derived peptide (MDP). It is used in research to investigate mitochondrial communication and metabolic signaling pathways.
What is MOTS-c commonly researched for?
In laboratory and preclinical models, MOTS-c is studied for:
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Mitochondrial stress-response signaling
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AMPK pathway interaction research
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Metabolic regulation models
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Cellular energy homeostasis studies
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Exercise-response and metabolic adaptation investigations
All applications are exploratory and conducted in controlled research environments.
Is MOTS-c a naturally occurring peptide?
Yes. MOTS-c is naturally encoded within mitochondrial DNA. Synthetic MOTS-c used in research replicates this endogenous peptide sequence for experimental investigation.
How does MOTS-c differ from traditional peptides?
Unlike nuclear DNA–encoded peptides, MOTS-c is derived from mitochondrial DNA. It is studied for its potential role in mitochondrial–nuclear communication and metabolic regulation mechanisms in research models.
How is MOTS-c supplied?
MOTS-c is typically supplied as a lyophilized (freeze-dried) powder in sealed research vials to preserve stability during storage and shipment.
How should unreconstituted MOTS-c be stored?
Lyophilized MOTS-c should be stored:
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Long-term: −20 °C to −80 °C
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Short-term: 2–8 °C
Keep vials sealed and protected from light and moisture until use.
How should reconstituted MOTS-c be handled and stored?
Once reconstituted:
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Store at 2–8 °C for short-term laboratory use
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For extended storage, aliquot and freeze at −20 °C or below
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Minimize freeze–thaw cycles using single-use aliquots
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Gently swirl to mix; avoid vigorous agitation
Does MOTS-c require a Certificate of Analysis (COA)?
Yes. A Certificate of Analysis (COA) should be available for each batch, verifying the identity and purity of each peptide component within the blend to ensure research quality and traceability.
Is MOTS-c FDA-approved?
No. MOTS-c is not FDA-approved as a drug, supplement, or therapeutic product. It is sold exclusively as a research compound and must not be marketed or used for diagnostic, therapeutic, or consumption purposes.
This product is not for human consumption. It is sold strictly for research and educational purposes and is not intended to diagnose, treat, cure, or prevent any disease.
Any clinical data or research information referenced on this page is derived from peer-reviewed scientific literature and official publications. This information is provided for educational reference only and does not constitute medical advice or product claims.
By purchasing this product, you acknowledge that you are a qualified researcher and agree to use it in full compliance with all applicable laws and regulations.
