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PHA-543613

Cat. No. M8055
PHA-543613 Structure
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Biological Activity

PHA-543613 is a potent selective α7 nAChR agonist. Nicotinic acetylcholine receptors are ligand-gated ion channels activated by nicotine, expressed in multiple tissues, with high functional expression in brain. The homomeric subtype α7 is a potential therapeutic target for cognitive deficits in schizophrenia and Alzheimer′s disease. PHA-543613 is active in both in vitro (binding, calcium flux, patch-clamp) and in vivo (auditory gating, novel object recognition) assays.

Chemical Information
Molecular Weight 271.31
Formula C15H17N3O2
CAS Number 478149-53-0
Solubility (25°C) DMSO: ≥20 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] Nra Bruszt, et al. Potentiation of cognitive enhancer effects of Alzheimer's disease medication memantine by alpha7 nicotinic acetylcholine receptor agonist PHA-543613 in the Morris water maze task

[2] Agatha Stegemann, et al. Expression of the α7 Nicotinic Acetylcholine Receptor Is Critically Required for the Antifibrotic Effect of PHA-543613 on Skin Fibrosis

[3] Qiao-Qiao Han, et al. Cynandione A and PHA-543613 inhibit inflammation and stimulate macrophageal IL-10 expression following α7 nAChR activation

[4] Rong Xue, et al. Nicotinic Mitigation of Neuroinflammation and Oxidative Stress After Chronic Sleep Deprivation

[5] Paul R Krafft, et al. PHA-543613 preserves blood-brain barrier integrity after intracerebral hemorrhage in mice

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