For research use only. Not Intended for Therapeutic Use!
|IC50:||2.8 nM (Human recombinant PDE9)|
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PF-04447943 is a potent, selective brain penetrant PDE9 inhibitor (Ki of 2.8, 4.5 and 18 nM) for human, rhesus and rat recombinant PDE9 respectively and high selectivity for PDE9 versus PDEs1-8 and 10-11.
IC50 value: 2.8 nM (Human recombinant PDE9)
Target: PDE 9
PF-04447943 increased indicators of hippocampal synaptic plasticity and improved cognitive function in a variety of cognition models in both rats and mice. PF-04447943 was found to have high affinity (Ki of 2.8, 4.5 and 18 nM) for human, rhesus and rat recombinant PDE9 respectively and high selectivity for PDE9 versus PDEs1-8 and 10-11. Inhibition of phosphodiesterase 9 (PDE9) has been reported to enhance rodent cognitive function and may represent a potential novel approach to improving cognitive dysfunction in Alzheimer/'s disease.