A selective

KMN-80 – 100 µg

Brand:
Cayman
CAS:
1628759-75-0
Storage:
-20
UN-No:
De Minimis - 1170 / 3

The prostaglandin E receptor 4 (EP4) is one of four G protein-coupled receptors that mediate the actions of prostaglandin E2 (PGE2; Item No. 14010). Binding of PGE2 to the EP4 receptor causes an increase in intracellular cyclic AMP, which plays important roles in bone formation and resorption, cancer, and atherosclerosis.{16772,16773,16619,24126} KMN-80 is a substituted γ-lactam (pyrrolidinone) derivative of PGE1 (Item No. 13010) that acts as a selective and potent agonist of EP4 with an IC50 value of 3 nM (IC50 = 1.4 μM for EP3 and > 10 μM for all other prostanoid receptors).{25026} In functional assays it has been shown to stimulate secreted alkaline phosphatase gene reporter activity in EP4-transfected HEK293 cells with an EC50 value of 0.19 nM, demonstrating >5,000 and 50,000-fold selectivity against EP2 and TP, respectively.{25026} KMN-80 can induce the differentiation of bone marrow stem cells from both young and aged rats into osteoblasts in vitro (EC50s = 20 and 153 nM, respectively) and exhibits favorable tolerability up to at least 10 μM, whereas the EP4 agonist L-902,688 (Item No. 10007712) is highly cytotoxic at similar concentrations in these cells.{25027} KMN-80 has been used to repair calvarial defects in an in vivo rat craniomaxillofacial reconstruction model (rate of reduction in defect size equivalent to BMP-2 treated rats) and to promote bone formation in a rat incisor tooth socket model.{25027}  

 

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Description

A selective, potent agonist of EP4 with an IC50 value of 3 nM (versus 1.4 μM for EP3 and > 10 μM for all other prostanoid receptors) and an EC50 value of 0.19 nM in functional assays; induces the differentiation of bone marrow stem cells from both young and aged rats into osteoblasts in vitro (EC50s = 20 and 153 nM, respectively); repairs calvarial defects in an in vivo rat craniomaxillofacial reconstruction model and promotes bone formation in a rat incisor tooth socket model

Formal name: 7-((R)-2-((3S,4S,E)-3-hydroxy-4-methylnon-1-en-6-yn-1-yl)-5-oxopyrrolidin-1-yl)heptanoic acid

Synonyms: 

Molecular weight: 363.5

CAS: 1628759-75-0

Purity: ≥98%

Formulation: A solution in ethanol

Product Type|Biochemicals|Receptor Pharmacology|Agonists||Research Area|Endocrinology & Metabolism|Bone Growth & Remodeling||Research Area|Lipid Biochemistry|Cyclooxygenase Pathway

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