mc3r

Dersimelagon (MT-7117) is an orally active, selective melanocortin 1 receptor (MC1R) agonist with EC50 values ​​of 8.16, 3.91, 1.14, and 0.251 nM for human (h), cynomolgus monkey (cm), mouse (m), and rat (r) MC1R, respectively. Dersimelagon exhibits good affinity for hMC1R and hMC4R, with Ki values ​​of 2.26 and 32.9 nM, respectively. Dersimelagon can be used in the study of skin pigmentation[1].

PG 106 acetate is an effective and selective antagonist of the human melanocortin 3 (hMC3) receptor with an IC50 of 210 nM. PG 106 acetate has no activity with the hMC5 receptor and hMC4 receptors with an EC50 of 9900 nM.

Bremelanotide is a synthetic peptide analog of alpha-MSH and is an agonist at melanocortin receptors including the MC3R and MC4R.

Melanocortin (MC) 3-MSH (Melanocyte-Stimulating Hormone) is believed to signal through the MC 3 receptor. It induces a sustained increase in intracellular free calcium levels ([Ca2+]i) in a subpopulation of pituitary cells. Most of the cells responding to

α-Melanocyte-stimulating hormone (α-MSH) is a 13-amino acid peptide hormone produced by post-translational processing of proopiomelanocortin (POMC) in the pituitary gland, as well as in keratinocytes, astrocytes, monocytes, and gastrointestinal cells.1It is an agonist of melanocortin receptor 3 (MC3R) and MC4R that induces cAMP production in Hepa cells expressing the human receptors (EC50s = 0.16 and 56 nM, respectively).2α-MSH (100 pM) reducesS. aureuscolony formation andC. albicansgerm tube formationin vitro.3It inhibits endotoxin-, ceramide-, TNF-α-, or okadaic acid-induced activation of NF-κB in U937 cells.1α-MSH reduces IL-6- or TNF-α-induced ear edema in mice.4It also prevents the development of adjuvant-induced arthritis in rats and increases survival in a mouse model of septic shock. Increased plasma levels of α-MSH are positively correlated with delayed disease progression and reduced death in patients with HIV.1 1.Catania, A., Airaghi, L., Colombo, G., et al.α-melanocyte-stimulating hormone in normal human physiology and disease statesTrends Endocrinol. Metab.11(8)304-308(2000) 2.Miwa, H., Gantz, I., Konda, Y., et al.Structural determinants of the melanocortin peptides required for activation of melanocortin-3 and melanocortin-4 receptorsJ. Pharmacol. Exp. Ther.273(1)367-372(1995) 3.Cutuli, M., Cristiani, S., Lipton, J.M., et al.Antimicrobial effects of a-MSH peptidesJ. Leukoc. Biol.67(2)233-239(2000) 4.Lipton, J.M., Ceriani, G., Macaluso, A., et al.Antiiinflammatory effect of the neuropeptide a-MSH in acute, chronic, and systemic inflammationAnn. N.Y. Acad. Sci.25(741)137-148(1994)

Setmelanotide (BIM-22493) is a selective agonist of melanocortin 4 receptor (MC4R)(human and rat MC4R with EC50s of 0.27 nM and 0.28 nM, respectively).

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

Setmelanotide Acetate(920014-72-8 free base) (RM-493 Acetate) is a selective agonist of melanocortin 4 receptor (MC4R)(human and rat MC4R with EC50s of 0.27 nM and 0.28 nM, respectively).

RO27-3225 TFA is a potent and selective agonist of melanocortin 4 receptor (MC4R; EC50: 1 nM and 8 nM for MC4R and MC1R) with neuroprotective and anti-inflammatory effects. RO27-3225 TFA shows ~30-fold selectivity for MC4R over MC3R.

SHU 9119 is an effective human melanocortin 3 and 4 receptors (MC3 4R) antagonist and a partial MC5R agonist (IC50: 0.23, 0.06, and 0.09 nM for human MC3R, MC4R and MC5R, respectively).

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].

Melanotan II acetate is an agonist of melanocortin receptor 1 (MC1R), MC3R, MC4R, and MC5R. It has been shown to improve recovery of sciatic nerve function after mechanical injury and increase cisplatin-induced decreases in sensory nerve conduction velocity. Melanotan II acetate increases oxygen consumption and protein levels of uncoupling protein 1 (UCP1) in brown adipose tissue homogenates and decreases food intake, body weight, and serum levels of leptin, glucose, insulin, and cholesterol.

Bremelanotide Acetate (PT-141 Acetate) is an agonist of melanocortin receptor (MCR) .

SHU 9119 acetate is a well-known antagonist of human melanocortin 3 and 4 (hMC3R, hMC4R) receptors and a partial hMC5R agonist. The IC50 values of human MC3R, MC4R and MC5R is 0.23, 0.06, and 0.09 nM respectively.