Wakefulness-Promoting AgentsReceptors, Adrenergic, alpha-2FenofibratePPAR alphaBezafibrateReceptors, Cytoplasmic and NuclearHypolipidemic AgentsPeroxisome ProliferatorsPropionatesPyrimidinesTranscription FactorsLiverRNA, MessengerCells, CulturedDopamine Agonistsalpha 1-AntitrypsinReceptors, Adrenergic, alphaGABA AgonistsHypoxia-Inducible Factor 1, alpha SubunitNicotinic AgonistsAdrenergic alpha-2 Receptor AgonistsAdrenergic alpha-AgonistsDose-Response Relationship, DrugPurinergic P1 Receptor AgonistsMuscarinic Agonists