Receptor, Adenosine A2BReceptor, Adenosine A2AReceptors, Adenosine A2Receptor, Adenosine A3Receptor, Adenosine A1Adenosine A2 Receptor AgonistsMutant Chimeric ProteinsAdenosine-5'-(N-ethylcarboxamide)Enterochromaffin CellsAdenosineAdenosine A2 Receptor AntagonistsAminopyridinesCaffeine2-ChloroadenosineXanthinesThioinosineReceptors, Purinergic P1Sleep DeprivationPeriod Circadian ProteinsGTP-Binding Protein alpha Subunits, GsCell TransplantationArousalNucleosidesSpermatidsWakefulnessMice, KnockoutPolymorphism, Single NucleotideCentral Nervous System StimulantsSignal TransductionGenotypeMice, Inbred C57BLGenetic Predisposition to DiseasePsychomotor PerformanceNeutrophilsCells, Cultured