Active site-targeting, potent and subtype-selective G protein-coupled receptor kinase GRK2/3 inhibitor with no inhibitory potency against GRK1/5.
CMPD101 is an active site-targeting, potent and subtype-selective G protein-coupled receptor kinase GRK2 & GRK3 inhibitor (human GRK2/3 IC50 = 54/32 nM with 3 μM ATP and tubulin dimer as substrate; bovine GRK2 IC50 = 290 nM with 0.5 mM ATP and bROS as substrate; no GRK1/5 inhibition at 125 μM). CMPD101 selectively inhibits GPR39 agonist-induced β-arrestin recruitment (by 94% at 10 μM against 30 μM GPR39-C3/50 μM ZnCl2), but not cAMP pathway desensitization in cultures and prevents β-arrestin2-biased D2R ligand UNC9994(1 μg/side bilateral local injection) from blocking NMDAR antagonist PCP (6 mg/kg i.p.)-induced locomotion (60%/12% blockage without/with 0.5 μg CMPD101 co-injection) in mice in vivo.
Codice della classe di stoccaggio
11 - Combustible Solids
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
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Agonists of the nociceptin/orphanin FQ opioid peptide (NOP) receptor, a member of the opioid receptor family, are under active investigation as novel analgesics, but their modes of signaling are less well characterized than those of other members of the opioid
GPR39, a G-protein-coupled receptor activated by zinc, reportedly activates multiple intracellular signaling pathways via Gs, Gq, G12/13, and β-arrestin, but little is known about downregulation of the receptor upon its activation. To our knowledge, this is the first report on
The Journal of general physiology, 147(3), 255-271 (2016-03-02)
Activated Gq protein-coupled receptors (GqPCRs) can be desensitized by phosphorylation and β-arrestin binding. The kinetics and individual contributions of these two mechanisms to receptor desensitization have not been fully distinguished. Here, we describe the shut off of protease-activated receptor 2
Frontiers in molecular neuroscience, 12, 104-104 (2019-05-24)
Differential regulation of the μ-opioid receptor (MOP) has been linked to the development of opioid tolerance and dependence which both limit the clinical use of opioid analgesics. At a cellular level, MOP regulation occurs via receptor phosphorylation, desensitization, plasma membrane
G protein-coupled receptors (GPCRs) are key regulators of cell physiology and control processes ranging from glucose homeostasis to contractility of the heart. A major mechanism for the desensitization of activated GPCRs is their phosphorylation by GPCR kinases (GRKs). Overexpression of
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