Title : P2X(7) receptors on microglial cells mediate injury to cortical neurons in vitro.

Pub. Date : 2006 Aug 15

PMID : 16817206






3 Functional Relationships(s)
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1 Using cocultures of rat cortical neurons and microglia, we show that ATP and the more potent P2X(7) agonist benzoylbenzoyl-ATP (BzATP) cause neuronal cell injury. 3'-O-(4-benzoyl)benzoyladenosine 5'-triphosphate purinergic receptor P2X, ligand-gated ion channel, 7 Mus musculus
2 Using cocultures of rat cortical neurons and microglia, we show that ATP and the more potent P2X(7) agonist benzoylbenzoyl-ATP (BzATP) cause neuronal cell injury. 3'-O-(4-benzoyl)benzoyladenosine 5'-triphosphate purinergic receptor P2X, ligand-gated ion channel, 7 Mus musculus
3 The deleterious effects of BzATP-treated microglia were prevented by nonselective P2X antagonists (PPADS and oxidized ATP) and by the more selective P2X(7) antagonist Brilliant Blue G. Similar concentrations of BzATP caused release of superoxide and nitric oxide from isolated microglia, and neuronal cell injury was attenuated by a superoxide dismutase mimetic and by a peroxynitrite decomposition catalyst, suggesting a role for reactive oxide species. 3'-O-(4-benzoyl)benzoyladenosine 5'-triphosphate purinergic receptor P2X, ligand-gated ion channel, 7 Mus musculus