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CTEP (RO4956371)

Cat No.
CEI-1295
Description
CTEP (RO4956371) is a novel, long-acting, orally bioavailable allosteric antagonist of mGlu5 receptor with IC50 of 2.2 nM.
Product Overview
CTEP is a potent, long-acting, and orally bioavailable inhibitor of metabotropic glutamate receptor 5 (mGlu5) with IC50 value of 11.4nM. CTEP is a negative allosteric modulator of mGlu5 and has inverse agonist activity. In the in vitro binding assay, CTEP binds to human, mouse and rat mGlu5 with Kd values of 1.7nM, 1.8nM and 1.5 nM, respectively. In HEK293 cells expressing mGlu5, CTEP inhibits quisqualate-induced Ca2+ mobilization and inositol phosphate accumulation with IC50 value of 11.4nM and 6.4nM, respectively. In addition, it shows an IC50 value of 40.1nM in the IP accumulation assay, demonstrating its inverse agonist activity. CTEP is proved to be a highly selective inhibitor of mGlu5.It shows no significant activity against mGlu1, mGlu2, mGlu3, mGlu4, mGlu6, mGlu7 or mGlu8 at concentration up to 10μM. In the in vivo Vogel conflict drinking test, CTEP markedly increases drinking time at doses of 0.3mg/kg. In adult C57BL/6 mice brain, CTEP displaces the mGlu5 antagonist ABP688 in the regions expressing mGlu5 by 50% at dose of 77.5 ng/g.
CAS No.
871362-31-1
Molecular Weight
391.77
Purity
0.9908
Storage
Store at-20°C
Targets
MGlu5
IC50
2.2 nM
Molecular Formula
C19H13ClF3N3O
Chemical Name
2-chloro-4-[2-[2,5-dimethyl-1-[4-(trifluoromethoxy)phenyl]imidazol-4-yl]ethynyl]pyridine
Solubility
Soluble in DMSO > 10 mM
Shipping Conditions
Evaluation sample solution: ship with blue ice. All other available size: ship with RT, or blue ice upon request
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