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 SubunitDose-Response Relationship, DrugNicotinic AgonistsAdrenergic alpha-2 Receptor AgonistsAdrenergic alpha-AgonistsPurinergic P1 Receptor AgonistsMuscarinic Agonists