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Agonists and Antagonists Acting at P2X7 Receptor

[ Vol. 4 , Issue. 16 ]


Pier Giovanni Baraldi, Francesco Di Virgilio and Romeo Romagnoli   Pages 1707 - 1717 ( 11 )


The P2X7 receptor is involved in several processes relevant to inflammation (cytokine release, NO generation, killing of intracellular pathogens, cytotoxicity), thus, it may be an appealing target for pharmacological intervention. The characterisation of native and recombinant P2X7 receptor continues to be hindered by the lack of specific and subtypeselective agonists and antagonists. BzATP is currently the most potent agonist known at the endogenous and recombinant P2X7 receptor A tyrosine derivative named KN-62 exhibits selective P2X7 receptor-blocking properties. In this review article we have reported novel series of KN-62-related compounds of the general structure R1-Tyr(OR2)-piperazinyl-R3, in which three positions (R1, R2 and R3) were systematically varied. Two recent articles published by AstraZeneca have reported that novel series of cyclic imides and adamantane amides are potent P2X7 receptor antagonists.


p2x7 purinoreceptor, atp-receptor, ionotropic receptor, agonist, antagonis


Dipartimento di Scienze Farmaceutiche, Universita di Ferrara, Via Fossato di Mortara 17-19, 44100-Ferrara, Italy.

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