Sourcing high-purity MOTS-c online requires rigorous analytical verification, including batch-specific HPLC chromatograms and mass spectrometry profiles. As a mitochondrial-derived peptide investigated for metabolic regulation and cellular energy homeostasis, research-grade MOTS-c must meet strict analytical criteria before deployment in preclinical experimental models.
Sourcing high-purity MOTS-c online requires rigorous analytical verification, including batch-specific HPLC chromatograms and mass spectrometry profiles. As a mitochondrial-derived peptide investigated for metabolic regulation and cellular energy homeostasis, research-grade MOTS-c must meet strict analytical criteria before deployment in preclinical experimental models.
When purchasing MOTS-c online, qualified researchers must navigate a marketplace where quality control varies significantly. Research-grade MOTS-c is synthesized specifically for in vitro assays and animal models to evaluate mitochondrial signalling pathways, metabolic homeostasis, and cellular responses to metabolic stress. To ensure reproducible experimental outcomes, investigators must source compounds from domestic vendors that provide transparent batch-level documentation.
Acquiring analytical compounds online requires validating that the vendor provides clear, lot-specific Certificate of Analysis (COA) records. High-throughput laboratories rely on established suppliers capable of delivering consistent purity, verified sequence integrity, and low endotoxin levels across single-vial orders and bulk procurement programs available through dedicated wholesale lab accounts.
MOTS-c (Mitochondrial open reading frame of the 12S rRNA type-c) is a 16-amino acid peptide encoded within the mitochondrial genome rather than the nuclear DNA. Identified as a member of the mitochondrial-derived peptide (MDP) family, MOTS-c represents a distinct class of signaling molecules that mediate communication between the mitochondria and the cell nucleus.
The primary sequence of MOTS-c (Met-Arg-Trp-Gln-Glu-Met-Gly-Tyr-Ile-Phe-Tyr-Pro-Arg-Lys-Leu-Arg) enables it to act as a retrograde signaling molecule. Under conditions of metabolic stress, MOTS-c translocates from the mitochondrion into the nucleus, where it interacts with specific nuclear transcription factors to regulate gene expression profiles involved in adaptive metabolic responses. Researchers studying mitochondrial peptides utilize MOTS-c to explore how organelle-level signaling influences systemic energy homeostasis.
In vitro and preclinical research indicates that MOTS-c primarily targets the 5'-AMP-activated protein kinase (AMPK) pathway. By promoting AMPK phosphorylation, MOTS-c acts as a master regulator of cellular energy balance, stimulating glucose uptake and fatty acid oxidation while inhibiting anabolic lipid synthesis.
Unlike classical hormones, MOTS-c modulates metabolic flux by directly interfering with the folate cycle and purine biosynthesis, leading to an increase in 5-aminoimidazole-4-carboxamide ribonucleotide (AICAR) levels. This transient accumulation of AICAR triggers upstream activation of AMPK without disrupting baseline cellular ATP ratios. Investigating these cellular pathways within AMPK activation studies helps clarify how mitochondrial signaling regulates substrate utilization in skeletal muscle and adipose tissue models.
Published preclinical literature highlights the role of MOTS-c in modulating physical capacity and metabolic flexibility in rodent models. In rodent trials investigating diet-induced obesity, systemic administration of MOTS-c demonstrated a capacity to attenuate insulin resistance, reduce lipid accumulation in hepatic tissue, and restore optimal skeletal muscle glucose transporter 4 (GLUT4) expression.
Furthermore, animal studies assessing exercise capacity suggest that MOTS-c treatment enhances treadmill performance and oxygen consumption metrics in aging rodent populations. These findings indicate that MOTS-c mimics or amplifies several signaling cascades typically activated during physical exertion, making it a valuable target in preclinical investigations focusing on age-related metabolic decline and metabolic flexibility.
To understand the distinct physiological niche of MOTS-c, researchers frequently compare its activity against other mitochondrial-targeted compounds in our research library. While MOTS-c primarily functions via nuclear translocation and AMPK phosphorylation to direct metabolic flux, Humanin acts as a cytoprotective mitochondrial-derived peptide that targets apoptosis pathways and oxidative stress markers. Conversely, the cardiolipin-binding peptide SS-31 operates structurally within the inner mitochondrial membrane to optimize electron transport chain efficiency and diminish reactive oxygen species (ROS) production directly at the source.
Evaluating these three distinct mechanisms allows research teams to select the appropriate compound for specific experimental endpoints—whether targeting systemic metabolic gene expression (MOTS-c), cellular survival under ischemic conditions (Humanin), or structural membrane stabilization (SS-31). Exploring our complete collection of all peptides provides additional options for comparative metabolic and cellular research.
When purchasing research compounds online, verifying the analytical integrity of the material is paramount. Low-purity peptides or samples containing synthesis byproducts, residual trifluoroacetic acid (TFA), or bacterial endotoxins can invalidate experimental results and distort cellular signaling assays.
A reliable online supplier must fulfill specific analytical criteria for every production lot:
• Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC): Establishes chemical purity, confirming that the main peak represents ≥98% of the sample content.
• Mass Spectrometry (MS): Confirms the exact molecular weight (1210.5 Da for MOTS-c) and correct amino acid sequence identity.
• Endotoxin Testing: Quantifies bacterial lipopolysaccharide (LPS) levels to ensure the compound is suitable for sensitive cell culture and animal models.
• Lot Traceability: Ensures every vial can be matched directly to a published COA from an independent ISO 17025 accredited laboratory.
Proper handling procedures are critical to maintaining the structural stability of synthetic MOTS-c. Lyophilized MOTS-c should be stored at -20°C or -80°C upon receipt to prevent hydrolytic degradation over extended periods.
For laboratory reconstitution, researchers typically utilize sterile Bacteriostatic Water or sterile 0.9% Sodium Chloride injection solution depending on the specific downstream assay requirement. Gentle agitation without vigorous vortexing is recommended to solubilize the peptide fully. Reconstituted liquid aliquots should be maintained at 2°C to 8°C for short-term experimentation or flash-frozen at -80°C for long-term storage to prevent repeated freeze-thaw cycles, which can induce peptide aggregation and reduce biological activity.
PX1 Research serves as a trusted domestic partner for institutional laboratories, academic research departments, and private biotechnology firms across the United States. All peptides in our catalog are manufactured under strict quality controls and undergo rigorous multi-stage analytical testing.
By maintaining partnerships with ISO 17025 accredited testing facilities, PX1 Research provides batch-specific COAs displaying transparent HPLC and MS data for every lot of MOTS-c. Orders placed Monday through Friday ship same-day from our strategically located fulfillment hubs in California and Arizona, ensuring minimal transit times and optimal temperature stability during transport.
What is the primary mechanism of action of MOTS-c in preclinical models?
MOTS-c functions as a mitochondrial-derived signaling peptide that translocates to the nucleus under metabolic stress. It regulates nuclear gene expression, enhances folate purine synthesis intermediates, and activates the AMPK signaling pathway to promote glucose uptake and fatty acid oxidation.
How is the chemical purity of MOTS-c verified by PX1 Research?
Every lot of MOTS-c undergoes analytical verification via Reverse-Phase HPLC to confirm ≥98% chemical purity and Mass Spectrometry to verify exact molecular weight. Testing is performed by independent ISO 17025 accredited laboratories.
Can MOTS-c be used for human health or therapeutic purposes?
No. MOTS-c supplied by PX1 Research is strictly designated for laboratory research, in vitro assays, and preclinical animal models. It is not approved for human consumption, therapeutic use, or medical administration.
What solvent is recommended for reconstituting MOTS-c in vitro?
For standard laboratory procedures, lyophilized MOTS-c is commonly reconstituted using sterile Bacteriostatic Water or sterile PBS/saline buffers, depending on the specific physiological requirements of the cell culture or assay protocol.
What is the molecular weight of research-grade MOTS-c?
The theoretical molecular weight of the 16-amino acid MOTS-c peptide is approximately 2174.6 Da (monoisotopic mass varies slightly based on salt formulation, such as acetate counter-ions). Mass spectrometry documentation on the lot-specific COA verifies this structural identity.
How should lyophilized MOTS-c be stored upon delivery?
Lyophilized MOTS-c should be stored in a climate-controlled freezer at -20°C or lower. Shielding the vial from light and desiccating the storage container helps preserve long-term stability prior to reconstitution.
What separates MOTS-c from other mitochondrial peptides like Humanin?
While both are mitochondrial-derived peptides, MOTS-c acts primarily as a metabolic regulator through AMPK activation and nuclear translocation, whereas Humanin functions primarily as an anti-apoptotic, cytoprotective factor against oxidative stress.
Does PX1 Research provide bulk procurement options for MOTS-c?
Yes. Institutional buyers and high-throughput research facilities can set up dedicated lab accounts through our wholesale program to access bulk quantities with batch-matched analytical documentation.
All products are sold strictly for laboratory and research use only. Not for human or veterinary use, diagnosis, treatment or consumption. Statements have not been evaluated by the FDA.