Peptides

Thymosin Beta-4 (TB-4) is a naturally occurring 43-amino-acid peptide found across many tissues, central to the body’s cell-migration and tissue-repair signaling. It is the parent molecule behind the widely studied research peptide TB-500 — understanding TB-4 clarifies what TB-500 research is actually modeling. TB-4 vs. TB-500 TB-500 is a synthetic fragment derived from the active…

PTD-DBM is a synthetic peptide combining a protein transduction domain (PTD) — which enhances cell-membrane penetration — with a bone-morphogenetic-protein-derived motif. It is studied for its role in osteoblast differentiation and tissue-regeneration models. What is PTD-DBM? The peptide is designed to mimic bone morphogenetic protein (BMP) signaling while the PTD portion improves intracellular delivery across…

GCP-2 (Granulocyte Chemotactic Peptide-2) is a small signaling peptide of the CXC chemokine family, studied primarily for its role in directing neutrophil migration to sites of inflammation or injury — a focal point of immune-trafficking and tissue-repair research. What is GCP-2? GCP-2 belongs to the CXC chemokine class of signaling proteins that govern immune-cell trafficking….

ACE-031 is a synthetic activin receptor type IIB (ActRIIB) ligand trap — a soluble decoy receptor studied for its ability to bind myostatin and related ligands before they can signal, effectively removing a key biological brake on muscle growth in research models. What is ACE-031? ACE-031 is a soluble form of the ActRIIB receptor. It…

HGH Fragment 176-191 is a modified peptide corresponding to amino acids 176–191 at the C-terminus of the human growth-hormone molecule. It is studied for its selective effect on fat metabolism — stimulating lipolysis while inhibiting lipogenesis — largely independent of the broader growth-promoting effects of full-length GH. What is HGH Fragment 176-191? The fragment isolates…

Sermorelin is a synthetic growth hormone-releasing hormone (GHRH) analogue. Rather than introducing growth hormone directly, it is studied for its ability to stimulate the pituitary gland to release endogenous growth hormone — a mechanism of significant interest in growth-hormone-axis research. What is Sermorelin? Sermorelin corresponds to the biologically active fragment of GHRH. In research models…

Tirzepatide is a synthetic peptide notable for its dual mechanism — it activates both the GIP (glucose-dependent insulinotropic polypeptide) and GLP-1 receptors. This dual-agonist profile distinguishes it from single-receptor GLP-1 compounds and makes it a focal point of metabolic research. What is Tirzepatide? Tirzepatide mimics two incretin hormones — GIP and GLP-1 — both central…

Semaglutide is a synthetic GLP-1 (glucagon-like peptide-1) receptor agonist that has drawn major attention across metabolic research. This guide outlines its mechanism, primary investigative areas, and sourcing considerations for Canadian research laboratories. What is Semaglutide? Semaglutide mimics GLP-1, a naturally occurring incretin hormone. GLP-1 helps regulate blood glucose by stimulating insulin release and suppressing glucagon,…

In peptide research, the solvent matters as much as the peptide. Bacteriostatic water (“BAC water”) is the industry standard for reconstituting lyophilized (freeze-dried) peptides. This protocol guide covers its composition and correct handling for Canadian research laboratories. What is bacteriostatic water? Bacteriostatic water is sterile, non-pyrogenic water containing 0.9% benzyl alcohol (9 mg/mL). The benzyl…

Melanotan II is a synthetic analogue of alpha-melanocyte-stimulating hormone (α-MSH), studied for its role in melanogenesis — the process by which melanocytes produce melanin. This research guide covers its mechanism, primary investigative areas, and laboratory handling for researchers in Canada. What is Melanotan II? Melanotan II is a cyclic synthetic heptapeptide analogue of α-MSH. It…