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Journal of Third Military Medical University ; (24)2003.
Artigo em Chinês | WPRIM | ID: wpr-557157

RESUMO

Objective To investigate the effects of ATP, suramin, ivermectin (IVM) and low pH value on pyramidal cells of rat hippocampus. Methods Pyramidal cells were rapidly dissociated from the hippocampus of 7-day postnatal rats by mechanical and enzymatic methods. Effects of ATP, suramin, IVM and low pH value on P2X receptor of neurons were studied by the technique of whole cell patch clamp. Results The transmembrane current was affected by ATP and suramin. There were different effects of IVM and low pH value on ATP induced current on different neurons. Conclusion There is extensive expression of P2X receptor on hippocampus pyramidal cells of rats. The expression of P2X receptors subunits are different among neurons.

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