When evaluating sources for MOTS-c peptide for sale, laboratory researchers require high-purity, analytical-grade material backed by rigorous lot-specific verification. PX1 Research supplies reference-standard lyophilized MOTS-c manufactured in state-of-the-art US facilities, fully characterized via RP-HPLC and ESI-MS to ensure uncompromised data integrity in preclinical metabolic studies.
When evaluating sources for MOTS-c peptide for sale, laboratory researchers require high-purity, analytical-grade material backed by rigorous lot-specific verification. PX1 Research supplies reference-standard lyophilized MOTS-c manufactured in state-of-the-art US facilities, fully characterized via RP-HPLC and ESI-MS to ensure uncompromised data integrity in preclinical metabolic studies.
When sourcing mots-c peptide for sale, qualified laboratory researchers require high-purity, lyophilized material verified by lot-specific analytical documentation. MOTS-c is a 16-amino-acid mitochondrial-derived peptide studied in preclinical models for its role in metabolic regulation, AMP-activated protein kinase (AMPK) activation, and cellular energy homeostasis under stress.
To ensure reproducible experimental outcomes in cell culture and animal models, investigators must avoid commercial compounds lacking complete analytical verification. PX1 Research provides reference-grade MOTS-c peptide formulated specifically for in vitro assays and preclinical evaluation. Every lot undergoes rigorous testing at an independent, ISO 17025-accredited laboratory to verify peptide identity, sequence correctness, and purity thresholds before release.
By maintaining strict control over manufacturing standards and cold-chain storage, PX1 Research supports academic institutions, biotechnology firms, and independent research organizations with reliable, research-only peptides. Researchers can browse our complete catalog of research peptides to support comprehensive metabolic and cellular biology investigations.
Mitochondrial-derived peptides (MDPs) represent a class of signaling molecules encoded within the small open reading frames (sORFs) of mitochondrial DNA (mtDNA), rather than the nuclear genome. MOTS-c (Mitochondrial Open Reading Frame of the 12S rRNA Type-c) is a 16-amino-acid peptide with the primary sequence Met-R-Q-R-V-S-V-N-A-V-P-F-O-C-V-S (specifically, Met-Arg-Gln-Arg-Val-Ser-Val-Asn-Ala-Val-Pro-Phe-Ser-Cys-Val-Ser).
Unlike classic nuclear-encoded hormones, MOTS-c originates within the 12S ribosomal RNA region of the mitochondrion. Upon cellular stress or metabolic disruption, preclinical studies suggest MOTS-c translocates to the nucleus, where it interacts with specific transcription factors to regulate nuclear gene expression. This dual-genome communication axis positions MOTS-c as a key retrograde signaling molecule that informs the cell nucleus of mitochondrial energetic status.
Understanding this nuclear-mitochondrial crosstalk requires reference materials that precisely mirror native molecular structure. Impurities, truncated sequences, or residual synthesis reagents can distort ligand-receptor dynamics or alter nuclear translocation kinetics in cultured cell lines, making verified purity essential for experimental validity.
In preclinical rodent models, MOTS-c has been extensively investigated for its role in systemic metabolic regulation, carbohydrate metabolism, and insulin sensitivity. Early animal studies demonstrated that exogenous administration of synthetic MOTS-c significantly altered systemic metabolic flexibility in mice maintained on high-fat diets.
In vitro assays using skeletal muscle cells (C2C12 myotubes) indicate that MOTS-c enhances cellular glucose uptake independent of classical insulin receptor phosphorylation pathways. Instead, the peptide promotes the translocation of glucose transporter 4 (GLUT4) to the plasma membrane via activation of intracellular signaling cascades. Researchers investigating metabolic dysfunction utilize MOTS-c to map glucose oxidation rates, glycogen accumulation, and lipid utilization parameters in vitro.
Furthermore, preclinical evidence suggests MOTS-c modulates folate cycle dynamics and de novo purine biosynthesis. By transiently inhibiting the folate cycle, MOTS-c leads to an accumulation of 5-aminoimidazole-4-carboxamide ribonucleotide (AICAR), a potent endogenous activator of metabolic regulatory enzymes.
A primary focus of MOTS-c research revolves around its capacity to stimulate AMP-activated protein kinase (AMPK), the master energy sensor within eukaryotic cells. When cellular ATP levels drop relative to AMP/ADP, AMPK is phosphorylated, initiating catabolic pathways that generate ATP while inhibiting anabolic processes that consume energy.
In vitro data indicate that MOTS-c treatment leads to robust phosphorylation of the AMPK alpha subunit at the Thr172 residue. This activation downstream triggers fatty acid oxidation, enhances mitochondrial biogenesis, and downregulates lipogenic transcription factors such as SREBP-1c. In hepatic cell cultures (HepG2), MOTS-c exposure has been shown to reduce intracellular lipid droplet accumulation under steatotic conditions.
Researchers utilizing MOTS-c alongside other metabolic signaling compounds access the PX1 Research scientific database to examine synergistic activation patterns across metabolic, longevity, and cellular stress research frameworks.
Mitochondrial functional capacity directly dictates physical endurance and metabolic resilience under physiological strain. Preclinical studies evaluating physical performance parameters in mice revealed that MOTS-c expression increases endogenously in response to acute exercise stress.
When administered to aged or metabolically compromised rodent models, MOTS-c demonstrated a capacity to restore exercise performance, increase running distance, and enhance skeletal muscle heat shock response mechanisms. At the tissue level, MOTS-c treatment was associated with preserved myofiber architecture, reduced mitochondrial reactive oxygen species (ROS) production, and upgraded oxidative phosphorylation enzyme activities.
These adaptive stress-response properties make MOTS-c a high-priority target for researchers studying sarcopenia, mitochondrial decay, and adaptive cellular resilience during aging processes.
To establish a comprehensive experimental design, researchers often compare MOTS-c against other mitochondrial-targeted signaling agents and metabolic regulators. Understanding the distinct mechanisms of action within this class allows investigators to select the precise peptide or combination for their specific research hypotheses.
While MOTS-c acts primarily as a nuclear retrograde signaling peptide that stimulates AMPK and modulates nutrient sensing, the SS-31 research compound operates directly at the inner mitochondrial membrane by binding cardiolipin to optimize electron transport chain efficiency and reduce ROS generation. Conversely, another mitochondrial-derived peptide, detailed in our Humanin peptide guide, acts primarily as a cytoprotective factor that counteracts oxidative stress, apoptotic signaling, and neurotoxic insults. Additionally, small-molecule metabolic modulators like 5-Amino-1MQ target NNMT inhibition to elevate intracellular NAD+ levels, offering a complementary mechanism for metabolic signaling research.
Sourcing peptides online requires evaluating stringent operational and analytical criteria. Because peptide synthesis relies on complex solid-phase peptide synthesis (SPPS) protocols, minor variations in coupling efficiency, cleavage conditions, or purification workflows can introduce toxic organic residues, deletion sequences, or enantiomeric impurities.
When evaluating a supplier offering MOTS-c peptide for sale, research facilities should verify the following non-negotiable standard operating procedures:
1. **Domestic Synthesis & Quality Assurance:** Look for USA-manufactured products produced under cGMP-compliant guidelines to ensure strict procedural oversight. 2. **Independent Third-Party Verification:** Confirm that every lot is tested by an independent ISO 17025-accredited laboratory, rather than relying on manufacturer-provided certificates. 3. **Full Chromatographic Data Transparency:** Ensure the Certificate of Analysis (COA) presents clear high-performance liquid chromatography (HPLC) and mass spectrometry (MS) trace data, rather than simple pass/fail summary statements. 4. **Endotoxin Testing Protocols:** Require quantitative Limulus Amebocyte Lysate (LAL) testing to confirm low endotoxin limits critical for cell culture safety.
At PX1 Research, every batch of MOTS-c undergoes exhaustive analytical testing. Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) is used to verify peptide purity. The resulting chromatogram must demonstrate a sharp, symmetrical main peak representing a purity level of ≥98.0%, with minimal baseline drift or secondary peak integration.
Electrospray Ionization Mass Spectrometry (ESI-MS) confirms precise molecular weight and sequence identity. For MOTS-c, with a theoretical molecular weight of approximately 2174.6 Da (depending on counterion form), ESI-MS verifies that the synthesized sequence matches the exact mass profile without amino acid deletions, additions, or unexpected side-chain modifications.
Furthermore, because bacterial endotoxins (lipopolysaccharides) alter cell signaling, trigger inflammatory responses in vitro, and invalidate biological assays, PX1 Research enforces strict endotoxin screening. Our MOTS-c peptide lots are certified to contain <0.5 EU/mg of endotoxin, rendering them suitable for sensitive cell-based and preclinical research applications.
To maintain chemical stability and prevent enzymatic or hydrolytic degradation, proper handling protocols must be observed upon receipt of lyophilized MOTS-c peptide.
**Lyophilized Storage:** Store unopened vials of lyophilized MOTS-c at -20°C to -80°C in a desiccated environment. Protected from light and moisture, lyophilized peptides maintain structural stability for up to 24 months.
**Reconstitution Procedure:** Allow the peptide vial to equilibrate to room temperature before opening to prevent moisture condensation. Reconstitute using sterile bacteriostatic water, sterile water for injection, or phosphate-buffered saline (PBS, pH 7.4), depending on experimental cell culture requirements. Gently swirl the vial until the cake is fully dissolved; avoid vigorous vortexing, which can induce physical shear stress and peptide aggregation.
**Reconstituted Aliquoting:** Once in liquid solution, aliquot the peptide into single-use working volumes using low-binding polypropylene tubes to avoid surface adsorption losses. Store reconstituted aliquots at -80°C. Avoid repeated freeze-thaw cycles, which accelerate peptide cleavage and drop effective concentration.
PX1 Research serves as a trusted supplier of reference-grade peptides for research laboratories, academic institutions, and contract research organizations across the United States. We maintain complete supply chain transparency, backed by domestic manufacturing, rigorous quality control, and rapid fulfillment.
Orders placed Monday through Friday ship same-day from our dual logistics centers located in California and Arizona, ensuring minimal transit times and thermal stability. Laboratories requiring bulk quantities or recurring batch allocations can register through our dedicated wholesale peptide program to lock in batch consistency and volume pricing structure.
When purchasing MOTS-c peptide for sale from PX1 Research, investigators receive fully documented, analytical-grade material designed to deliver reliable, highly reproducible preclinical data.
Where can verified research labs buy MOTS-c peptide for sale?
Qualified laboratories can purchase analytical-grade MOTS-c peptide directly from PX1 Research. Every batch is manufactured in the USA under strict cGMP guidelines and is accompanied by a lot-specific Certificate of Analysis detailing HPLC purity, mass spectrometry identity, and endotoxin levels.
What purity level is required for MOTS-c in preclinical cell culture assays?
Preclinical cell culture and biochemical assays typically require a minimum peptide purity of ≥98.0%. Lower purity levels contain synthesis byproducts or truncated amino acid sequences that can introduce off-target cellular toxicity and confound metabolic data.
How does MOTS-c differ from nuclear-encoded peptides?
MOTS-c is encoded within the 12S rRNA region of mitochondrial DNA (mtDNA), whereas classic peptides are encoded by nuclear genes. MOTS-c acts as a retrograde signal, translocating from the mitochondrion to the cell nucleus under metabolic stress to regulate nuclear gene transcription.
What is the recommended reconstitution solvent for MOTS-c in laboratory work?
MOTS-c is typically reconstituted in sterile bacteriostatic water, sterile laboratory-grade water, or phosphate-buffered saline (PBS, pH 7.4). Solvents should be selected based on the specific requirements of the downstream in vitro or animal model protocol.
How should reconstituted MOTS-c peptide be stored?
After reconstitution, MOTS-c solution should be divided into single-use aliquots using low-protein-binding tubes and stored at -80°C. Repeated freeze-thaw cycles must be avoided to prevent peptide degradation and loss of biological activity.
Does PX1 Research provide endotoxin data for MOTS-c?
Yes. Every lot of MOTS-c supplied by PX1 Research undergoes quantitative LAL testing to confirm endotoxin content is strictly below 0.5 EU/mg, making it safe for sensitive in vitro and preclinical research applications.
What analytical techniques confirm the mass and sequence of MOTS-c?
Electrospray Ionization Mass Spectrometry (ESI-MS) confirms the exact molecular weight (2174.6 Da) and structural identity, while Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) assesses chemical purity percentage.
What primary metabolic pathways are investigated using MOTS-c in vitro?
Preclinical researchers investigate MOTS-c primarily for its role in activating AMP-activated protein kinase (AMPK), stimulating GLUT4 translocation for glucose uptake, regulating hepatic lipid oxidation, and modulating folate cycle metabolism.
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