Adenosine TriphosphateReceptors, Purinergic P2X7Receptors, Purinergic P2AdenosineReceptor, Adenosine A2A5'-NucleotidaseReceptor, Adenosine A1Receptors, Purinergic P1Adenosine DeaminaseAdenosine KinaseReceptor, Adenosine A2BApyraseAdenosine MonophosphateExtracellular SpaceAdenosine A2 Receptor AntagonistsXanthinesPurinergic P1 Receptor AntagonistsAdenosine A1 Receptor AntagonistsReceptors, Adenosine A2Receptor, Adenosine A3Adenine NucleotidesAdenosine A2 Receptor AgonistsDipyridamoleReceptors, PurinergicPurinergic P1 Receptor AgonistsThioinosineInosineTheophyllineAdenosine-5'-(N-ethylcarboxamide)Adenosine DiphosphateExtracellular FluidEquilibrative Nucleoside Transporter 1Tubercidin2-ChloroadenosinePurinergic AntagonistsNucleotidasesCyclic AMPEquilibrative-Nucleoside Transporter 2PhenethylaminesNucleoside Transport ProteinsEquilibrative Nucleoside Transport ProteinsAdenosylhomocysteinaseAdenosine Deaminase InhibitorsGuanosine TriphosphateAdenosine A1 Receptor AgonistsCells, CulturedPurinergic P2 Receptor AntagonistsKineticsAdenosine TriphosphatasesCalciumAdenineHypoxanthineAnoxiaPurine-Nucleoside PhosphorylaseDose-Response Relationship, DrugPurinergic P2 Receptor AgonistsSignal TransductionRats, Sprague-DawleyMice, Inbred C57BLPhosphatesMagnesiumNucleotidesMice, KnockoutUridine TriphosphateTime FactorsGuanosineSynaptic TransmissionPhosphocreatineRats, WistarPhosphorus IsotopesCell MembraneProsencephalonBiological TransportAdenosine A3 Receptor AntagonistsEnzyme InhibitorsEnergy MetabolismCoformycinAdenosine A3 Receptor AgonistsThiamine TriphosphateInosine NucleotidesAntigens, CDOxidative PhosphorylationGuanosine 5'-O-(3-Thiotriphosphate)PhenylisopropyladenosineUracil NucleotidesNucleosidesHydrogen-Ion ConcentrationHippocampusBrainRabbitsKidneyEthanolNeuronsMyocardiumLactatesReceptors, Purinergic P2XHydrolysisHypoxanthinesInosine TriphosphateDiphosphates