Palmitoyl Tripeptide-1

Palmitoyl Tripeptide-1 (Pal-GHK; PubChem CID 10231864) is a palmitoylated peptide fragment designed to increase lipophilicity and membrane association in in-vitro systems. Research commonly evaluates its effects on extracellular-matrix (ECM) signaling and remodeling pathways.

• ECM Gene Expression: In cell culture models, Pal-Tripeptide-1 is studied for its ability to influence transcription of COL1A1/COL3A1, FN1 (fibronectin), and laminins, consistent with ECM maintenance hypotheses.
• Receptor/Pathway Crosstalk: Assays frequently track downstream mediators (e.g., ERK/CREB, SMAD-linked readouts) and the balance of proteases and inhibitors (MMP/TIMP) relevant to matrix turnover.
• Copper-Binding Motif Context: The G-H-K motif is studied for copper coordination in vitro; experiments sometimes profile oxidative-stress markers and antioxidant-response genes to characterize secondary effects.
• Barrier/Matrix Interface: In reconstructed epidermis/dermis models, endpoints often include cytokine panels, tight-junction proteins, and morphology scores to contextualize barrier-related changes.

All findings are model- and protocol-dependent and should be interpreted strictly within the limits of in-vitro research.

Typical study designs emphasize reproducible ECM-related endpoints and quantitative readouts:

• Gene/Protein Panels: qPCR or RNA-seq for ECM/adhesion genes; immunoblot/ELISA/IF for procollagens, fibronectin, integrins, and TIMP/MMP ratios.
• Functional Assays: Scratch/wound-closure and contraction assays in fibroblast-populated collagen gels; viability and cytotoxicity benchmarking across dose ranges.
• Dose–Response & Kinetics: Multi-point concentration curves (e.g., sub-µM to tens of µM) and time courses (e.g., 6–72 h) to establish effect windows without confounding toxicity.
• Model Diversity: Primary human dermal fibroblasts, keratinocyte co-cultures, and 3D reconstructed tissue to capture cell–matrix interactions.

Controls (vehicle, positive standards) and rigorous statistical treatment are recommended to ensure assay validity and comparability.

This material is for laboratory research use only. It is not for human or veterinary use, clinical applications, or diagnostics. Handle under institutional safety protocols using appropriate PPE.

• Stock Preparation: Reconstitute lyophilized powder with sterile, suitable solvent (e.g., water, PBS, or buffered media) according to your SOP. Filter-sterilize if required by protocol.
• Aliquoting: Prepare single-use aliquots immediately after reconstitution to avoid repeated freeze–thaw.
• Compatibility: Verify solvent, plasticware, and media compatibility to minimize adsorption or degradation.

• Lyophilized Powder: Store at −20 °C to −80 °C for long-term; 2–8 °C for short-term (up to a few weeks), protected from light and moisture.
• Reconstituted Solutions: Store at 2–8 °C and use promptly (typ. 24–72 h, method-dependent). Avoid repeated freeze–thaw by aliquoting.
• Stability: Empirically confirm stability under your specific buffer, temperature, and container conditions.
• Disposal: Dispose according to local and institutional hazardous-waste procedures.

For computed properties and identifiers, consult PubChem CID 10231864. For assay design and ECM-related endpoints, see vendor technical datasheets and peer-reviewed literature on palmitoylated tripeptides and extracellular matrix regulation.

• PubChem Compound Summary: Palmitoyl Tripeptide-1 (CID 10231864)
• Pickart L, Vasquez-Soto R. "Copper peptides and their role in tissue remodeling." Journal of Biomaterials Science. 2008;19(8):969-988.
• Schagen SK. "Topical Peptide Treatments with Effective Anti-Aging Results." Dermatology and Therapy. 2017;7(Suppl 1):31-42.
• Gorouhi F, Maibach HI. "Role of topical peptides in preventing or treating aged skin." International Journal of Cosmetic Science. 2009;31(5):327-345.
• Technical datasheets from raw-material suppliers (e.g., Pal-GHK / Palmitoyl Tripeptide-1 specification sheets).

Palmitoyl Tripeptide-1 is supplied exclusively for research and development. It is not a drug, food, or cosmetic, and has not been evaluated for safety or efficacy in humans or animals. By purchasing, the user agrees to comply with all applicable regulations and to restrict use to legitimate scientific research.