α-Melanocyte stimulating hormone is an anti-inflammatory agent stimulates melanocortin 1 receptor that results in the activation of adenylyl cyclase. α-Melanocyte-stimulating hormone (α-MSH) acts as an anti-inflammatory agent via down regulating the production and activity of the pro-inflammatory cytokines interleukin-1 (IL-1), tumor necrosis factor (TNF)-α and IL-6 expressed in various cells of the immune system. It also controls the nitric oxide production associated with inflammation. α-MSH inhibits nuclear factor-κB (NF-κB)-dependent gene transcription and NF-κB pathway induced by TNF and other inflammatory agents. This activity of α-MSH is mediated through the production of cyclic adenosine monophosphate (cAMP) and activation of protein kinase A (PKA) enzyme. α-MSH has an essential role to play in melanin production in animals. α-MSH regulates development of several skin diseases, including cutaneous inflammation and hyper-proliferative skin diseases.
Molecular Weight | 1664.88 |
Formula | C77H109N21O19S |
CAS Number | 581-05-5 |
Solubility (25°C) | Water ≥ 15 mg/mL |
Storage | -20°C, dry, protect from light, sealed |
Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
Related Melanocortin Receptor Products |
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Adrenocorticotropic Hormone (ACTH) (4-10), human
Adrenocorticotropic Hormone (ACTH) (4-10), human is a melanocortin 4 (MC4R) receptor agonist. |
γ1-MSH
γ1-MSH is a melanocortin MC3 receptor agonist, with a Ki of 34 nM for the rat MC3 receptor. |
γ-1-Melanocyte Stimulating Hormone (MSH), amide
γ-1-Melanocyte Stimulating Hormone (MSH), amide is a 11-amino acid peptide. |
JKC363
JKC363, a selective melanocortin MC4 receptor antagonist, has a 90-fold higher affinity at the MC4 receptor (IC50=0.5 nM) than at the MC3 receptor (44.9 nM). |
ACTH (11-24)
ACTH (11-24) is an adrenocorticotropic hormone (ACTH) receptor antagonist. |
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