Overview
GLOW is a co-packaged research set that groups three peptides supplied together: the copper tripeptide GHK-Cu (glycyl-L-histidyl-L-lysine complexed with copper(II)), the synthetic pentadecapeptide BPC-157, and TB-500, a synthetic fragment reproducing the actin-binding region of thymosin beta-4. The set brings together reference compounds that the literature associates with extracellular-matrix, angiogenic, and cytoskeletal endpoints. Each is produced synthetically for laboratory research use and is characterized individually in the literature.
Mechanism as studied
The research literature attributes distinct, complementary activities to each component. GHK-Cu is characterized as a copper-transporting ligand that modulates collagen- and matrix-gene expression in fibroblast culture and influences metalloproteinase activity. BPC-157 is described through the VEGFR2–Akt–eNOS axis associated with endothelial proliferation and angiogenic tube formation, while TB-500 is characterized as a sequestering agent for monomeric G-actin that governs cytoskeletal assembly and cell migration. The set is studied for these parallel in-vitro endpoints rather than a single unified target.
Research context
Contexts in which this compound appears in the in-vitro and preclinical research literature:
- Fibroblast cultures: collagen- and matrix-gene expression and metalloproteinase modulation attributed to GHK-Cu.
- Endothelial angiogenesis assays (tube-formation, migration) associated with BPC-157 signaling.
- Actin-polymerization and cell-migration assays characterizing TB-500 G-actin sequestration.
- Combined connective-tissue and wound-model systems examining the components in parallel.
- Comparative studies against the individual single-peptide reference materials.
Handling & storage
Each component is supplied lyophilized and is reconstituted separately in the laboratory, typically with bacteriostatic water, to the working concentration required for its assay. Add diluent slowly down the vial wall and swirl gently to dissolve rather than vortexing; do not combine components until the protocol requires it. Aliquot each reconstituted peptide to minimize freeze–thaw exposure.
Store the sealed lyophilized vials at −20 °C protected from light, where they are stable long-term. Reconstituted material should be refrigerated at 2–8 °C and protected from repeated freeze–thaw.
Certificates of analysis
Independent and in-house certificates published for this compound. Each reports identity and HPLC purity for the tested lot.
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Lot-traceable, certificate-backed, and shipped cold-chain from the US.
For research use only
This guide is reference material for qualified researchers. The compound is an analytical-grade reference material supplied strictly for in-vitro laboratory research and development — not a drug, supplement, or medical device, and not for human or animal consumption or any therapeutic, clinical, or diagnostic use. No medical claims are made or implied.