Peptide YY for sale listings appear across research supplier catalogs, niche peptide marketplaces, and chemical vendor databases. This guide clarifies what YYP represents, how it functions in satiety signaling, and what to verify before sourcing any material labeled for sale.
Below is a structured reference table that outlines key aspects relevant to buyers and researchers evaluating peptide YY for sale opportunities.
| Product Name | Source Species | Purity Method | Typical Format |
|---|---|---|---|
| Human PYY 3-36 | Human | HPLC | Lyophilized powder |
| Human PYY 1-36 | Human | HPLC, Mass Spec | Lyophilized powder |
| Mouse PYY | Mouse | HPLC | Lyophilized powder |
| Rat PYY | Rat | HPLC, Mass Spec | Lyophilized powder |
Targeted product sourcing for peptide YY for sale
When searching peptide YY for sale, prioritize catalog entries that specify truncation version, organism origin, and analytical purity. Many suppliers offer human PYY fragments such as PYY 3-36 and the full-length sequence PYY 1-36, each with distinct receptor binding profiles. Confirm that the product data sheet includes reversed-phase HPLC trace, mass verification, and endotoxin limits relevant to your assay sensitivity.
Analytical specifications and quality indicators
Reliable peptide YY for sale listings provide detailed specifications that support reproducibility. Concentration accuracy, sterility assurance, and storage stability data help you compare offers objectively. Use the specification table to shortlist vendors that meet your methodological requirements for labeling, batch traceability, and documentation standards.
Physiological role and mechanism of action
Peptide YY is an ileal and colonic hormone released after eating, primarily acting through Y2 receptors to reduce food intake and slow gastric motility. As an anorexigenic signal, YYP modulates appetite pathways in the hypothalamus and integrates gastrointestinal feedback to the brain. Understanding this physiology is essential when interpreting assay results derived from peptide YY experiments.
Research applications and assay compatibility
In vitro and in vivo studies use peptide YY to explore satiety circuits, energy balance, and gut-brain axis communication. Researchers often test receptor binding kinetics, signaling cascades, and downstream metabolic effects when validating peptide YY for sale against project objectives. Ensure the product format aligns with your detection method, whether for cell culture supplementation, animal dosing, or biochemical quantification.
Vendor selection and procurement considerations
Choosing a supplier for peptide YY involves evaluating regulatory compliance, material provenance, and logistical reliability. Verify that the vendor provides certificates of analysis, complies with institutional guidelines, and offers suitable shipping conditions to preserve peptide integrity. Balance catalog breadth against quality controls, technical support, and transparent pricing when finalizing a source.
Key takeaways for sourcing peptide YY
- Confirm truncation version and organism source to match your experimental model.
- Verify analytical purity by HPLC and mass spec before use in quantitative assays.
- Review certificates of analysis for endotoxin, sterility, and batch-to-batch consistency.
- Plan storage and handling protocols that preserve peptide stability across repeated use.
- Select vendors with transparent pricing and technical support for regulatory-compliant research.
FAQ
Reader questions
What truncation of peptide YY is best for studying satiety in rodents?
Human PYY 3-36 is widely used in rodent models because it retains high affinity for Y2 receptors and effectively reduces food intake, making it ideal for appetite regulation studies.
How should I store peptide YY to maintain activity across multiple experiments?
Lyophilized peptide YY should be stored at -20°C or below under desiccation, and reconstituted aliquots should be kept frozen to minimize repeated freeze-thaw cycles that can degrade activity.
Can peptide YY be used directly in cell culture without additional purification steps? Yes, material supplied as sterile, endotoxin-tested lyophilized powder can be reconstroduced in buffered saline and used directly in cell culture, provided endotoxin levels are appropriate for your cell type. What is the difference between PYY 1-36 and PYY 3-36 in receptor binding?
While both forms bind Y2 receptors, PYY 3-36 exhibits higher potency and selectivity for Y2, whereas PYY 1-36 has broader receptor activity across Y1–Y5, influencing experimental readouts in signaling studies.