Retinol-Binding ProteinsRetinol-Binding Proteins, PlasmaRetinol-Binding Proteins, CellularVitamin APrealbuminVitamin A DeficiencyProtein BindingAcetylglucosaminidaseRetinoidsTretinoinMolecular Sequence DataReceptors, Retinoic AcidAmino Acid SequenceNutritional StatusProtein Interaction MappingBinding SitesCarrier ProteinsLiverBase SequenceTwo-Hybrid System TechniquesRNA, MessengerInsulin ResistanceBiological MarkersPregnancyProtein Structure, TertiaryModels, MolecularTranscription FactorsProtein ConformationRetinol O-Fatty-AcyltransferaseCell LinePoly(A)-Binding ProteinsBlood ProteinsSpectrometry, FluorescenceDNA-Binding Proteins