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MPEP

Cat. No. M20403
MPEP Structure
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Biological Activity

MPEP is a selective mGlu5 receptor antagonist with IC50 of 36 nM, exhibits no appreciable activity at mGlu1b/2/3/4a/7b/8a/6 receptors.

Chemical Information
Molecular Weight 193.24
Formula C14H11N
CAS Number 96206-92-7
Solubility (25°C) DMSO 39 mg/mL
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Conversion of different model animals based on BSA (PMID: 27057123)
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.

References

[1] Marc Morissette, et al. Cells. Prevention of L-Dopa-Induced Dyskinesias by MPEP Blockade of Metabotropic Glutamate Receptor 5 Is Associated with Reduced Inflammation in the Brain of Parkinsonian Monkeys

[2] Gan Huang, et al. Alcohol Clin Exp Res. MPEP Lowers Binge Drinking in Male and Female C57BL/6 Mice: Relationship with mGlu5/Homer2/Erk2 Signaling

[3] Alice L. Rodriguez, et al. Identification of a glycine sulfonamide based non-MPEP site positive allosteric potentiator (PAM) of mGlu5

[4] Paul M Lea 4th, et al. CNS Drug Rev. Metabotropic glutamate receptor subtype 5 antagonists MPEP and MTEP

[5] F Micheli. Curr Opin Investig Drugs. Methylphenylethynylpyridine (MPEP) Novartis

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