Receptors, Retinoic AcidRetinoidsTretinoinRetinoid X ReceptorsRNA, MessengerLeukemia, Promyelocytic, AcuteTetrahydronaphthalenesBenzoatesKeratolytic AgentsIsotretinoinTranscription FactorsVitamin ACell DifferentiationReceptors, Thyroid HormoneMolecular Sequence DataRetinol-Binding Proteins, CellularTumor Cells, CulturedTranscriptional ActivationBase SequenceRetinal DehydrogenaseReceptors, Amino AcidRetinoid X Receptor alphaRetinol-Binding ProteinsTranscription, GeneticCarrier ProteinsReceptors, Cytoplasmic and NuclearPromoter Regions, GeneticDibenzazepines