Sourcing high-purity Humanin online for laboratory investigation requires strict supplier evaluation, verifiable analytical documentation, and consistent lot-to-lot purity. PX1 Research provides USA-manufactured, research-grade Humanin designed exclusively for in vitro and preclinical experimentation, backed by third-party HPLC/MS verification and full endotoxin testing.
Sourcing high-purity Humanin online for laboratory investigation requires strict supplier evaluation, verifiable analytical documentation, and consistent lot-to-lot purity. PX1 Research provides USA-manufactured, research-grade Humanin designed exclusively for in vitro and preclinical experimentation, backed by third-party HPLC/MS verification and full endotoxin testing.
When purchasing Humanin online for academic or commercial research, principal investigators must prioritize documented purity, USA-based synthesis, and rigorous third-party analytical verification. High-purity Humanin (a 24-amino acid mitochondrial-derived peptide) must be supplied with lot-specific Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) and Mass Spectrometry (MS) documentation to ensure experimental reproducibility in cell culture and preclinical models.
PX1 Research simplifies the process of acquiring premium research peptides online by maintaining transparent quality control protocols. Every lot of Humanin manufactured for our catalog undergoes independent laboratory validation to confirm structural identity, amino acid sequence integrity, and ultra-low endotoxin levels suitable for delicate cellular assays.
Humanin is a naturally occurring peptide encoded within the 16S ribosomal RNA gene of the mitochondrial genome. Composed of 24 amino acids with the sequence Met-Ala-Pro-Arg-Gly-Phe-Ser-Cys-Leu-Leu-Leu-Leu-Thr-Ser-Glu-Ile-Asp-Leu-Pro-Val-Lys-Arg-Arg-Ala (MAPRGFSCLLLLTSEIDLPVKRRA), Humanin represents the founding member of the mitochondrial-derived peptides (MDP) family.
The chemical structure contains both hydrophobic core regions and polar terminal residues, which govern its solubility, tertiary structure, and receptor-binding dynamics. In laboratory environments, maintaining the precise structural integrity of the single cysteine residue (Cys8) is critical, as oxidation or improper formulation can induce intermolecular disulfide dimer formation, altering its bioactivity in culture models.
Researchers evaluating Humanin peptide for molecular biology applications rely on exact molecular weight confirmation (2687.2 Da) via electrospray ionization mass spectrometry (ESI-MS). Synthetic fidelity ensures that the peptide mimics endogenous mitochondrial signaling without contaminants arising from incomplete solid-phase peptide synthesis (SPPS).
In vitro and animal studies indicate that Humanin acts as an endogenous cytoprotective factor operating through dual intracellular and extracellular pathways. Extracellularly, Humanin engages cell-surface receptors, primarily binding to the Formyl Peptide Receptor-Like 1 (FPRL1) and a heterotrimeric receptor complex consisting of gp130, WSX-1, and CNTFR. Interaction with these receptor complexes initiates downstream signaling cascades, including the STAT3 (Signal Transducer and Activator of Transcription 3) and ERK1/2 pathways.
Intracellularly, preclinical models suggest Humanin directly interacts with pro-apoptotic proteins such as Bax, Bid, and Bim. By binding to Bax in the cytosol, Humanin prevents Bax translocation to the outer mitochondrial membrane, preserving mitochondrial membrane potential (ΔΨm) and suppressing the release of cytochrome c. This anti-apoptotic cascade makes Humanin a primary target of investigation in cellular stress response, ischemia-reperfusion models, and neuroprotection studies.
Furthermore, literature indexed in our PX1 Research Library shows that Humanin modulates reactive oxygen species (ROS) accumulation and enhances ATP production in cultured primary neurons, cardiomyocytes, and endothelial cells subjected to hypoxic or metabolic insult.
When designing protocols targeting mitochondrial efficiency and cellular survival, researchers frequently contrast Humanin with other peptides operating within similar metabolic pathways. The primary comparison involves other mitochondrial-derived peptides and targeted antioxidant molecules.
While Humanin functions predominantly through receptor-mediated survival pathways and cytosolic Bax sequestration, MOTS-c (a 16-amino acid MDP encoded in the 12S rRNA region) targets nuclear gene expression to regulate systemic insulin sensitivity and metabolic homeostasis. In contrast, target-specific synthetic compounds like SS-31 (Elamipretide) act directly on cardiolipin within the inner mitochondrial membrane to optimize electron transport chain kinetics rather than utilizing cell-surface signaling complexes. Additional mitochondrial research often includes small humanin-like peptides (SHLPs), which possess distinct organ-specific expression profiles and variable potency across cytoprotective bioassays.
Academic and biopharmaceutical investigators utilize Humanin across several established preclinical research domains. Because mitochondrial dysfunction underlies numerous pathological processes, research-grade Humanin is routinely incorporated into standard laboratory protocols:
1. Neuroprotection Studies: Preclinical neuronal cell lines (such as PC12, SH-SY5Y, and primary cortical neurons) exposed to amyloid-beta oligomers, excitotoxic glutamate, or oxidative stressors are evaluated for survival rates following Humanin co-incubation.
2. Cardiovascular Research: Isolated cardiomyocyte assays and rodent ischemia-reperfusion models utilize Humanin to assess reduction in infarct size, suppression of apoptosis, and maintenance of vascular endothelial function.
3. Metabolic & Endocrine Assays: Preclinical data indicate Humanin influences peripheral insulin signaling, pancreatic beta-cell survival under glucolipotoxic conditions, and age-related decline in cellular respiration.
4. Reproductive Biology: Experimental models investigate Humanin expression in testicular and ovarian tissues to analyze its protective role against chemotherapy-induced germ cell apoptosis.
Sourcing raw materials online presents analytical challenges, as low-purity peptides or unverified lyophilized powders can introduce significant confounding variables into experimental assays. Principal investigators evaluating online vendors should mandate strict quality control benchmarks prior to procurement.
PX1 Research sets the industry standard for research supplier transparency. When ordering from our USA inventory, researchers receive comprehensive batch documentation including:
RP-HPLC Purity Verification: Every lot must demonstrate ≥98% purity, confirming the absence of truncated sequences, deletion peptides, or synthesis reagents.
Mass Spectrometry (MS) Analysis: Validates exact monoisotopic mass and molecular structure, ensuring identity matches theoretical chemical parameters.
Endotoxin Testing (LAL Assay): Quantitative Limulus Amebocyte Lysate testing guarantees endotoxin levels below strict thresholds (<0.01 EU/μg), protecting sensitive cell cultures from lipopolysaccharide-induced inflammatory artifacts.
ISO 17025 Laboratory Auditing: All Certificate of Analysis (COA) documents originate from independent, accredited USA analytical facilities.
To maintain the biological activity of lyophilized Humanin in a laboratory setting, proper handling and reconstitution protocols must be followed. Humanin is provided as a sterile, lyophilized cake intended strictly for laboratory research.
Lyophilized Storage: Upon receipt, the sealed vial should be stored at -20°C for short-term stability or -80°C for extended storage. Avoid ambient temperature exposure and keep protected from light.
Reconstitution Protocol: Centrifuge the vial briefly prior to opening to consolidate lyophilized powder at the bottom. Reconstitute using sterile, endotoxin-free water or phosphate-buffered saline (PBS, pH 7.4). For assays requiring high peptide concentration, initial solubilization in a minimal volume of sterile water followed by buffer expansion is recommended to prevent salt-induced aggregation.
Aliquoting and Solution Storage: Once reconstituted, working solutions should be aliquoted into sterile microcentrifuge tubes to prevent repeated freeze-thaw cycles. Reconstituted Humanin stored at 4°C should be utilized within 24–48 hours; frozen aliquots at -80°C remain stable for several months.
PX1 Research operates as a dedicated partner for university research groups, biotechnology firms, and contract research organizations (CROs). We understand that reproducible data requires uncompromised material quality.
All products in our catalog are synthesized in GMP-compliant facilities within the USA. Orders ship directly from our fulfillment centers located in California and Arizona, offering same-day dispatch Monday through Friday. Institutional buyers seeking volume procurement can establish bulk institutional accounts for streamlined supply logistics, customized lot reservation, and dedicated account support.
What is Humanin, and what is its primary use in research?
Humanin is a 24-amino acid mitochondrial-derived peptide encoded by the 16S rRNA gene. In laboratory research, it is studied for its anti-apoptotic, neuroprotective, and cytoprotective mechanisms across cell culture and animal models. It is supplied exclusively for in vitro and preclinical research use.
How is the purity of Humanin verified when ordering online from PX1 Research?
Every lot of Humanin supplied by PX1 Research undergoes third-party analytical testing at an accredited ISO 17025 laboratory. Purity (≥98%) is confirmed via Reverse-Phase HPLC, molecular identity is verified via Mass Spectrometry, and endotoxin levels are measured using standard LAL assays.
What solvent is recommended for reconstituting Humanin in the lab?
For most cell culture and biochemical assays, Humanin reconstitutes readily in sterile endotoxin-free water or standard phosphate-buffered saline (PBS, pH 7.4). Brief vortexing or gentle sonication may be applied if necessary.
How should reconstituted Humanin be stored to prevent degradation?
Reconstituted solution should be divided into single-use aliquots and stored at -80°C to avoid degradation and eliminate repeated freeze-thaw cycles. Avoid storing working solutions at 4°C for more than 48 hours.
Can PX1 Research provide custom documentation or lot reservations for institutional studies?
Yes. Through our wholesale and institutional research program, PX1 Research provides dedicated lot reservations, full analytical documentation packages, and bulk procurement options for academic labs and CROs.
What is the difference between Humanin and MOTS-c?
Both are mitochondrial-derived peptides, but Humanin is a 24-amino acid peptide derived from 16S rRNA focused primarily on anti-apoptotic signaling (Bax binding) and cytoprotection. MOTS-c is a 16-amino acid peptide derived from 12S rRNA that primarily regulates metabolic homeostasis and nuclear gene expression.
Where does PX1 Research manufacture and ship its peptides?
PX1 Research peptides are manufactured in GMP-compliant facilities located in the United States. Orders are fulfilled directly from our facilities in California and Arizona with same-day shipping available Monday through Friday.
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.