melanocytes

Nonapeptide-1 (Melanostatine™ 5) can inhibit the synthesis of melanin, which makes it of interest for treating certain skin conditions.

Gp100 (25-33) corresponds to residues 25 to 33 of the mouse self/tumor antigen glycoprotein (mgp100), which is an enzyme responsible for pigment synthesis. This epitope fragment is found in both normal melanocytes and melanoma cells.

Decapeptide-12, a competitive inhibitor of mushroom tyrosinase with an IC50 of 40 µM and a Kd of 61.1 μM for the C-terminal residue of tyrosinase, is a small oligopeptide that reduces melanin content in melanocytes by interacting with tyrosinase and increasing transcription of SIRT. It is utilized in researching melanogenesis, senescence, and inflammation [1] [2] [3].

Nonapeptide-1 (Melanostatine-5) acetate salt is a peptide hormone that functions as a selective and competitive antagonist of the melanocortin 1 receptor (MC1R) with a binding affinity (K i) of 40 nM. It effectively inhibits α-MSH-induced increases in intracellular cyclic AMP (cAMP) and melanosome dispersion in melanocytes, with inhibitory concentrations (IC 50) of 2.5 nM and 11 nM, respectively. By inhibiting melanin synthesis, Nonapeptide-1 acetate salt is used in research related to skin pigmentation, adrenal gland steroid production regulation, and skin cancer [1] [2] [3].

Palmitoyl Tetrapeptide-20 (PTP20) is a bioactive peptide known to preserve the function of follicular melanocytes and is reported to be used as an ingredient in cosmetics [1].

Gp100 (25-33), human is the amino acids 25-33 fragment of the human melanoma antigen. It is a 9-amino acid (AA) epitope restricted by H-2Db and recognized by the T cells.This is amino acids 25 to 33 fragment of human melanoma antigen gp100. This H-2Db res

Melanostatin, frog TFA is a highly efficient α-melanocyte-stimulating hormone (α-MSH) release inhibitor, a 36-amino acid peptide isolated from the frog brain, which modulates the electrophysiological activity of frog melanocytes by regulating K+, Na+, and Ca2+ currents.