MOTS-c is a mitochondrial-derived peptide extensively investigated in preclinical models for its role in metabolic homeostasis and cellular stress response. PX1 Research provides high-purity, US-manufactured MOTS-c backed by lot-specific mass spectrometry and RP-HPLC analytical verification for qualified laboratory research.
MOTS-c is a mitochondrial-derived peptide extensively investigated in preclinical models for its role in metabolic homeostasis and cellular stress response. PX1 Research provides high-purity, US-manufactured MOTS-c backed by lot-specific mass spectrometry and RP-HPLC analytical verification for qualified laboratory research.
High MOTS-c purity requires a validated sequence integrity of at least 99.0% as determined by Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) and confirmed via Mass Spectrometry (MS). Qualified research-grade MOTS-c must present clean single-peak chromatographic profiles, zero residual synthesis solvents, and verified endotoxin levels below 0.1 EU/mg to prevent confounding immunological signaling in cell culture assays or animal models.
When evaluating a supplier for laboratory research, simple self-attestation of quality is insufficient for rigorous empirical inquiry. In vitro and in vivo assays depend on consistent molecular weight verification, exact counter-ion quantification (such as trifluoroacetate or acetate content), and complete transparency regarding synthetic pathways. Obtaining verified mots-c purity ensures that experimental outcomes directly reflect peptide-receptor kinetics rather than background contamination or truncated peptide sequences.
MOTS-c (Mitochondrial Open Reading Frame of the 12S rRNA Type-c) is a 16-amino-acid peptide encoded within the mitochondrial genome. Unlike nuclear-encoded signaling molecules, MOTS-c represents a class of mitochondrial-derived peptides (MDPs) that act as retrograde signals, communicating cellular metabolic state directly to the nucleus. In preclinical models, researchers study MOTS-c for its novel regulatory control over systemic energy balance, glucose utilization, and cellular metabolic flexibility.
Primary mechanisms identified in preclinical literature demonstrate that under conditions of metabolic stress, MOTS-c translocates to the nucleus where it interacts with specific transcription factors, such as ARE (antioxidant response element)-binding factors, and regulates nuclear gene expression. Furthermore, in vitro studies reveal that MOTS-c activates AMP-activated protein kinase (AMPK), promoting fatty acid oxidation and enhancing glucose uptake independent of classical insulin pathways. Investigators utilizing our research hub frequently explore MOTS-c alongside other metabolic signaling regulators to map cross-talk between mitochondrial efficiency and systemic homeostasis.
To guarantee that experimental datasets remain reproducible across assay batches, PX1 Research Subjects every lot of synthetic peptides to rigorous analytical evaluation. The gold standard for confirming peptide purity involves two complementary analytical methodologies: Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) and Electrospray Ionization Mass Spectrometry (ESI-MS) or Matrix-Assisted Laser Desorption/Ionization (MALDI-TOF).
RP-HPLC separates the primary peptide sequence from synthesis byproducts, truncated fragments, and deletion sequences based on hydrophobic interaction with a stationary phase column. A sharp, baseline-resolved peak with an integrated area exceeding 99% demonstrates superior chemical purity. Simultaneously, mass spectrometry measures the precise mass-to-charge ratio ($m/z$), verifying that the synthesized chain corresponds exactly to the theoretical molecular weight of MOTS-c (2174.6 g/mol). Every product in our all peptides catalog includes accessible, lot-specific Certificates of Analysis (COAs) documenting these precise parameters.
Bacterial endotoxins—primarily lipopolysaccharides (LPS) derived from Gram-negative bacterial cell walls—pose a severe confounding variable in biological research. Even minute endotoxin contamination can stimulate Toll-like receptor 4 (TLR4) activation in cell lines and primary cultures, triggering inflammatory cytokine cascades that skew metabolic and immunological data.
PX1 Research enforces stringent bioburden controls throughout solid-phase peptide synthesis (SPPS) and subsequent lyophilization. Final lyophilized lots undergo quantitative Chromogenic Reagent Limulus Amebocyte Lysate (LAL) testing or recombinant Factor C assays to ensure endotoxin levels remain below 0.1 EU/mg. This commitment to sterility and purity allows investigators to evaluate fundamental cellular signaling without false-positive inflammatory artifacts.
Selecting a reliable vendor requires rigorous evaluation against standardized quality criteria. The table of operational standards below outlines the key parameters required for high-reproducibility preclinical research:
1. Purity Threshold: $\ge 99.0\%$ verified by RP-HPLC peak integration. 2. Identity Confirmation: Mass spectrum matching exact calculated molecular mass within 1 Da. 3. Endotoxin Level: $<0.1\text{ EU/mg}$ quantified by LAL assay. 4. Facility Compliance: Manufactured in GMP-compliant, ISO 17025 certified facilities located in the USA. 5. Traceability: Lot-specific COA published for every batch. 6. Logistics Reliability: Same-day dispatch M–F from dual US distribution hubs (California and Arizona).
By adhering strictly to these benchmarks, laboratories eliminate batch-to-batch variability and preserve the integrity of longitudinal metabolic assays.
In metabolic and mitochondrial research, MOTS-c is frequently evaluated alongside other mitochondrial-targeted compounds and metabolic regulators to elucidate overlapping or distinct cellular pathways.
For example, Humanin is another prominent mitochondrial-derived peptide studied for cytoprotective and anti-apoptotic signaling, whereas SS-31 (Elamipretide) specifically targets cardiolipin within the inner mitochondrial membrane to optimize electron transport chain efficiency and reduce reactive oxygen species (ROS). In contrast, synthetic metabolic modulators such as 5-Amino-1MQ target enzyme pathways like NNMT (nicotinamide N-methyltransferase) to modulate intracellular NAD+ levels. While AOD-9604 focuses primarily on lipolytic pathway activation via growth hormone receptor fragments, MOTS-c uniquely bridges mitochondrial energy sensing with nuclear gene transcription through AMPK-dependent pathways.
Lyophilized MOTS-c must be reconstituted under sterile laboratory conditions using appropriate solvent systems tailored to specific experimental models. For standard in vitro assays, reconstitution in sterile, deaerated Bacteriostatic Water (0.9% benzyl alcohol) or sterile Phosphate-Buffered Saline (PBS, pH 7.4) is generally recommended.
Researchers should consult our detailed peptide reconstitution guide prior to solubilization. To preserve peptide stability and prevent physical aggregation, solvents should be added gently along the inner wall of the vial, followed by gentle swirling rather than vigorous vortexing. Reconstituted aliquots should be used immediately or frozen at -80°C to minimize hydrolytic degradation over extended experimental timeframes.
Lyophilized peptide cake integrity depends heavily on environmental environmental control during storage. Unopened vials of MOTS-c should be stored at -20°C or -80°C in a desiccated environment protected from light. Repeated temperature cycling must be avoided, as condensation inside the vial can initiate premature hydrolysis and physical degradation of the peptide sequence.
When preparing vials for sampling, allow the sealed container to equilibrate to room temperature inside a laminar flow hood before opening. This simple step prevents ambient moisture from condensing onto the hygroscopic lyophilized matrix, preserving peptide purity and structural stability for subsequent analytical measurement.
Principal investigators and laboratory managers who intend to order mots c for formal research protocols require reliable procurement channels that guarantee lot consistency and full analytical documentation. Experimental reproducibility relies entirely on obtaining identical chemical profiles across sequential study phases.
PX1 Research simplifies institutional purchasing by offering streamlined account setup, standardized documentation, and scale-appropriate packaging. Qualified research organizations can access specialized institutional programs through our wholesale lab portal, ensuring seamless access to high-purity research compounds backed by transparent COAs and comprehensive mass spectrometry data.
Thermal exposure during transit can compromise sensitive peptide bonds, leading to sample degradation prior to arrival at the laboratory bench. To mitigate shipping stress and support urgent experimental timelines, securing mots-c fast shipping from domestic supply hubs is essential for high-throughput research laboratories.
PX1 Research dispatches all orders same-day Monday through Friday from centralized distribution centers located in California and Arizona. Utilizing temperature-controlled, ambient-insulated packaging options, PX1 ensures that lyophilized research compounds reach domestic and international facilities with maximum structural integrity intact.
What defines high mots-c purity for analytical research?
High MOTS-c purity is defined as possessing $\ge 99.0\%$ sequence purity verified by RP-HPLC, identity confirmation via mass spectrometry ($m/z \approx 2174.6$), and endotoxin levels below 0.1 EU/mg as determined by quantitative LAL testing.
How can research institutions order mots c for verified laboratory studies?
Qualified academic and corporate laboratories can order MOTS-c directly through the PX1 Research portal or set up an institutional procurement account via our wholesale page to access dedicated lot reserving and bulk volume tier pricing.
Does PX1 offer mots-c fast shipping for urgent trial timelines?
Yes. PX1 Research provides same-day dispatch for all orders placed Monday through Friday prior to cutoff times, shipping directly from facilities in California and Arizona to minimize transit duration and maintain compound stability.
What analytical documentation accompanies each lot of MOTS-c?
Every lot of MOTS-c includes a downloadable Certificate of Analysis (COA) containing the exact RP-HPLC chromatogram, mass spectrometry identity scan, and quantitative endotoxin test results.
What is the calculated molecular weight of MOTS-c?
MOTS-c has a theoretical molecular weight of approximately 2174.6 g/mol, corresponding to its specific 16-amino-acid sequence (Met-Arg-Trp-Gln-Glu-Met-Gly-Tyr-Ile-Phe-Tyr-Pro-Arg-Lys-Leu-Arg).
How should lyophilized MOTS-c be stored upon arrival?
Lyophilized MOTS-c should be stored long-term at -20°C or -80°C in a desiccated, dark container. Avoid repeated freeze-thaw cycles and maintain atmospheric equilibration before opening vials.
Which solvents are suitable for reconstituting MOTS-c in vitro?
MOTS-c is typically reconstituted in sterile Bacteriostatic Water or sterile Phosphate-Buffered Saline (PBS). The chosen diluent depends on the downstream assay requirements and cell line sensitivities.
How does MOTS-c differ structurally from Humanin and SS-31?
MOTS-c is a 16-amino-acid mitochondrial-derived peptide regulating nuclear gene expression via AMPK activation, whereas Humanin is a 24-amino-acid cytoprotective MDP, and SS-31 is a synthetic tetrapeptide that directly binds mitochondrial cardiolipin.
Are PX1 research peptides synthesized in GMP-compliant facilities?
Yes. PX1 Research compounds are synthesized in state-of-the-art, GMP-compliant facilities located in the United States, adhering to ISO 17025 analytical testing standards.
Can bulk research orders be customized for institutional studies?
Yes. Institutional researchers requiring custom lot sizes, specific counter-ion configurations (e.g., acetate swap), or bulk volume pricing can coordinate directly with our institutional sales team.
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.