CAS No. : 1394033-54-5
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|Cat. No. :||CS-0039866|
|CAS No. :||1394033-54-5|
|M. Wt. :||414.39|
|Solubility:||DMSO: 50 mg/mL (Need ultrasonic)|
PF-05180999 is a phosphodiesterase 2A (PDE2A) inhibitor, with an IC50 of 1.6 nM. IC50 & Target: IC50: 1.6 nM (PDE2A) In Vitro: PF-05180999 is a phosphodiesterase 2A (PDE2A) inhibitor, with an IC50 of 1.6 nM. PF-05180999 binds to the rat, dog and monkey PDE2A, with Kis of 4.2, 8.4, and 5.5 nM and IC50s of 2.6, 5.2, and 3.4 nM, respectively. PF-05180999 shows weak activity against PDE, with IC50s of 2.03 μM (PDE10A1), 26.969 μM (PDE7B), 50.09 μM (PDE11A4), and >56.25 μM (PDE1B1, PDE3A1, PDE4D3, PDE5A1, PDE6 (bovine), PDE8B, PDE9A1), respectively. PF-05180999 is also a weak inducer of CYP3A4, and with no direct inhibition of human recombinant cytochrome P450 (CYP) enzymes (1A2, 2B6, 2C8, 2C9, 2C19, 2D6, and 3A) and no induction of CYP1A2. In Vivo: PF-05180999 (Compound 30; 0.032-0.32 mg/kg mg/kg, s.c.) dramatically reduces the working memory errors produced by ketamine in a working memory radial arm maze (RAM) model in rats. PF-05180999 causes acute and exposure-dependent elevation in the accumulation of cGMP bulk levels in the cortex, striatum, and hippocampus, but with no changes in cAMP and the associated downstream phospho-cAMP response element-binding protein (p-CREB) in mice.
Protocol:Animal Administration: Rats
Male Sprague-Dawley rats (weighing 250-320 g) under urethane anesthesia at 1.5 g/kg intraperitoneal (ip) are placed in a stereotaxic frame, where craniotomies are performed above the region of the medial prefrontal cortex (mPFC) and ipsilateral (CA)1/subiculum. Body temperature of the rat is maintained at 37°C with an electrical heating pad. The femoral vein is cannulated for administration of test drugs (PF-05180999, etc.). After the conclusion of the experiments animals are euthanized with an iv bolus of urethane.
Helal CJ, et al. Identification of a Potent, Highly Selective, and Brain Penetrant Phosphodiesterase 2A Inhibitor Clinical Candidate. J Med Chem. 2018 Feb 8;61(3):1001-1018.
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