Researchers seeking to buy MOTS-c peptide require verified purity, lot-to-lot consistency, and complete analytical transparency for rigorous preclinical assays. PX1 Research supplies USA-manufactured, analytical-grade MOTS-c (>99% RP-HPLC purity) verified by mass spectrometry and endotoxin testing, backed by same-day shipping from our California and Arizona distribution nodes.
Researchers seeking to buy MOTS-c peptide require verified purity, lot-to-lot consistency, and complete analytical transparency for rigorous preclinical assays. PX1 Research supplies USA-manufactured, analytical-grade MOTS-c (>99% RP-HPLC purity) verified by mass spectrometry and endotoxin testing, backed by same-day shipping from our California and Arizona distribution nodes.
When planning to purchase MOTS-c peptide for in vitro or animal models, principal investigators must evaluate potential suppliers based on verifiable analytical data rather than unsubstantiated purity claims. MOTS-c (Mitochondrial Open Reading Frame of the 12S rRNA-c) is a 16-amino acid peptide that requires precise solid-phase synthesis to prevent truncated sequences or optical isomers from compromising laboratory observations.
To ensure reproducible experimental outcomes, research institutions selecting a supplier for research peptides should demand full batch documentation. Substandard synthetic sequences can introduce non-specific receptor interactions or induce premature degradation in cell cultures. Evaluating raw analytical data—specifically reverse-phase high-performance liquid chromatography (RP-HPLC) chromatograms and electrospray ionization mass spectrometry (ESI-MS) spectra—is mandatory when establishing protocol validation.
PX1 Research enforces strict quality control parameters for all lots of our MOTS-c peptide. Every production batch undergoes comprehensive validation at an independent ISO 17025 accredited laboratory. This multi-step process ensures that the compound meets stringent physical and biochemical criteria required for high-impact biochemical assays.
Each shipment includes an analytical Certificate of Analysis (COA) detailing batch-specific metrics: chemical purity confirmed above 99.0% by RP-HPLC, exact molecular weight verification via mass spectrometry, and bacterial endotoxin testing (<0.5 EU/mg via LAL assay). For laboratories scaling up experimental design, our wholesale peptide accounts provide volume-based access to identical analytical-grade lots with full traceability from synthesis to delivery.
Experimental timelines often depend on prompt, dependable logistics. Recognizing that degradation or delays can compromise sensitive research projects, PX1 Research provides MOTS-c fast shipping across North America. Orders placed before 12:00 PM PST Monday through Friday are processed and dispatched the same day from our primary fulfillment centers in California and Arizona.
Lyophilized peptides are packaged in temperature-monitored, protective shielding to protect against thermal fluctuations during transit. Whether your research group requires rapid resupply for ongoing cell culture passages or specialized dispatch for multi-site protocols, our distribution infrastructure minimizes transit duration and maintains compound stability prior to laboratory arrival.
MOTS-c is a uniquely structured mitochondrial-derived peptide (MDP) encoded within the mitochondrial 12S ribosomal RNA gene. Unlike classical nuclear-encoded signaling molecules, MOTS-c represents a specialized class of biological messengers synthesized directly within the organelle matrix or cytoplasm before exerting system-wide metabolic oversight.
Composed of the sequence Met-Arg-Trp-Gln-Glu-Met-Gly-Tyr-Ile-Phe-Tyr-Pro-Arg-Lys-Leu-Arg, this 16-amino acid sequence exhibits hydrophobic properties that dictate its solubility and structural conformation in solution. Detailed structural analysis via mass spectrometry and nuclear magnetic resonance (NMR) spectroscopy has elucidated how specific side-chain interactions contribute to its bioactivity across different preclinical research models.
In preclinical studies, MOTS-c has demonstrated a primary mechanism of action centered around metabolic homeostasis and cellular stress responses. In vitro research indicates that MOTS-c targets the folate cycle and de novo purine biosynthesis, leading to transient accumulation of the intermediate 5-aminoimidazole-4-carboxamide ribonucleotide (AICAR). This elevation activates 5'-AMP-activated protein kinase (AMPK), a master regulator of cellular energy balance.
Upon activation of AMPK signaling pathways, researchers observe downstream modulation of glucose uptake, fatty acid oxidation, and insulin sensitivity metrics in culture models. Furthermore, under physiological stress conditions, MOTS-c has been observed to translocate to the nucleus where it interacts with transcription factors such as NRF2, regulating antioxidant response element (ARE)-driven gene expression. Detailed cellular pathways can be explored further in our research library hub.
Animal model studies evaluating MOTS-c concentrate heavily on metabolic regulation, age-associated functional decline, and physical performance parameters. In rodent assays, systemic administration of MOTS-c has been reported to improve metabolic flexibility, suppress high-fat diet-induced insulin resistance, and enhance skeletal muscle oxygen consumption rates during tread-exhaustion protocols.
In vitro data utilizing C2C12 myotubes and primary hepatocytes further suggest that MOTS-c promotes mitochondrial biogenesis via PGC-1α upregulation. By modulating mitochondrial respiration without altering baseline mitochondrial membrane potential, MOTS-c serves as a critical biological tool for investigating energy expenditure, lipid oxidation, and adaptive cellular respiration under hypoxic or nutrient-deprived states.
When designing mitochondrial targeted assays, researchers frequently contrast MOTS-c against other prominent mitochondrial compounds such as SS-31 and Humanin. While all three peptides modulate organelle health, their molecular targets and downstream signaling cascades differ substantially.
MOTS-c acts primarily as a metabolic signaling molecule that regulates nuclear transcription and AMPK activation. In contrast, SS-31 (Elamipretide) binds selectively to cardiolipin within the inner mitochondrial membrane to optimize electron transport chain efficiency and reduce reactive oxygen species (ROS) production, as detailed in our SS-31 research overview. Humanin, another mitochondrial-derived peptide, exhibits cytoprotective and anti-apoptotic signaling via interaction with cell-surface receptors and intracellular Bcl-2 family proteins. Selecting the appropriate control or primary compound depends on whether the investigator is evaluating systemic energy regulation (mitochondrial research peptides) or localized inner-membrane structural preservation.
Reconstitution of lyophilized MOTS-c requires standardized laboratory procedures to ensure full solubilization and retain peptide integrity. As a hydrophobic 16-mer, MOTS-c should first be dissolved in sterile, deionized laboratory-grade water or sterile phosphate-buffered saline (PBS, pH 7.4). If persistent opacity occurs, gentle vortexing or short sonic baths at room temperature are recommended.
Avoid high-shear agitation, which can induce physical aggregation or peptide cleavage. For cell culture experiments, stock solutions should be filtered through a 0.22-micron low-protein-binding PTFE or PVDF membrane prior to introduction into culture media. To prevent activity loss due to repeated freeze-thaw cycles, working aliquots should be prepared immediately following initial dissolution.
In its lyophilized powder form, MOTS-c demonstrates high stability when maintained under controlled conditions. For long-term preservation prior to assay execution, sealed vials must be stored at -20°C or -80°C in a desiccated environment. Under these conditions, the peptide maintains chemical stability for up to 24 months without significant degradation.
Once reconstituted into aqueous solution, MOTS-c exhibits a reduced shelf life. Reconstituted stock solutions stored at 4°C should be utilized within 7 to 10 days. For longer storage of reconstituted aliquots (up to 3 months), freeze stock solutions at -80°C in single-use cryogenic vials. Avoid non-frost-free freezers, as thermal cycling significantly increases hydrolytic degradation.
Where can I purchase MOTS-c peptide for laboratory research?
You can purchase MOTS-c peptide directly from PX1 Research. We provide high-purity (>99% RP-HPLC), USA-manufactured research peptides accompanied by lot-specific Certificates of Analysis for laboratory and in vitro use.
How does MOTS-c fast shipping work at PX1 Research?
PX1 Research offers same-day shipping on all MOTS-c orders placed before 12:00 PM PST, Monday through Friday. Shipments originate from our strategic fulfillment centers in California and Arizona to minimize transit time.
What quality control standards are applied to MOTS-c peptide before sale?
Every lot of MOTS-c undergoes analytical testing by an independent ISO 17025 accredited laboratory, including RP-HPLC for chemical purity (>99%), ESI-MS for structural confirmation, and LAL assays for bacterial endotoxin verification (<0.5 EU/mg).
What is the primary mechanism of action studied for MOTS-c?
In preclinical models, MOTS-c is studied for its capacity to activate AMPK signaling pathways, regulate metabolic homeostasis, influence the folate-purine synthesis cycle, and translocate to the nucleus under metabolic stress.
How should lyophilized MOTS-c be reconstituted for in vitro assays?
Reconstitute lyophilized MOTS-c using sterile bacteriostatic water or sterile PBS (pH 7.4). Gently swirl or vortex stock solutions until fully dissolved, and filter through a 0.22-micron low-protein-binding filter before treating culture media.
What is the recommended storage temperature for MOTS-c peptide?
Lyophilized MOTS-c should be stored at -20°C or -80°C in a dry, desiccated container. Reconstituted aqueous solutions should be aliquoted and stored at -80°C to preserve peptide stability and prevent degradation.
Can I request batch-specific COAs when I buy MOTS-c peptide?
Yes. Every shipment of MOTS-c from PX1 Research includes access to the official, batch-specific Certificate of Analysis detailing HPLC purity chromatograms and mass spectrometry output.
How does MOTS-c compare to SS-31 in mitochondrial research?
MOTS-c acts primarily as a cytosolic and nuclear metabolic signaling peptide that activates AMPK, whereas SS-31 targets cardiolipin in the inner mitochondrial membrane to directly optimize electron transport chain function and reduce ROS.
Is MOTS-c peptide suitable for human consumption or therapeutic use?
No. MOTS-c supplied by PX1 Research is strictly synthesized for laboratory research, cell culture assays, and preclinical animal studies. It is not for human or veterinary use.
Are bulk options available for research institutions planning to purchase MOTS-c peptide?
Yes. Institutional accounts and high-volume laboratories can establish wholesale purchasing agreements through our wholesale portal for standardized, single-lot delivery.
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.