Transcription Factor CHOPEndoplasmic ReticulumTranscription FactorsTranscription, GeneticUnfolded Protein ResponseRNA, MessengerCCAAT-Enhancer-Binding ProteinsEndoplasmic Reticulum StressPromoter Regions, GeneticGene Expression RegulationBase SequenceMolecular Sequence DataDNA-Binding ProteinsSp1 Transcription FactorCell LineBinding SitesTranscriptional ActivationNuclear ProteinsProtein BindingAmino Acid SequenceTrans-Activators