2013
SEC24A deficiency lowers plasma cholesterol through reduced PCSK9 secretion
Chen X, Wang H, Bajaj K, Zhang P, Meng Z, Ma D, Bai Y, Liu H, Adams E, Baines A, Yu G, Sartor M, Zhang B, Yi Z, Lin J, Young S, Schekman R, Ginsburg D. SEC24A deficiency lowers plasma cholesterol through reduced PCSK9 secretion. ELife 2013, 2: e00444. PMID: 23580231, PMCID: PMC3622177, DOI: 10.7554/elife.00444.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApolipoproteins ECell Line, TumorCholesterolCOP-Coated VesiclesDown-RegulationDyslipidemiasEndoplasmic ReticulumEpistasis, GeneticGenotypeHEK293 CellsHumansLiverMice, 129 StrainMice, Inbred C57BLMice, KnockoutMutationPhenotypeProprotein Convertase 9Proprotein ConvertasesProtein TransportReceptors, LDLSerine EndopeptidasesTransfectionVesicular Transport ProteinsConceptsEndoplasmic reticulumCOPII vesicle formationCargo recruitmentCOPII vesiclesCargo proteinsEukaryotic cellsCargo selectivitySecretory pathwaySEC24AEfficient exitUnappreciated heterogeneityNegative regulatorSecretory proteinsVesicle formationPCSK9 secretionComplete genetic deficiencyGenetic deficiencyLDLR levelsProteinVesiclesFundamental roleNormal survivalPartial overlapRecruitmentSEC24B
2012
SEC23B is required for the maintenance of murine professional secretory tissues
Tao J, Zhu M, Wang H, Afelik S, Vasievich M, Chen X, Zhu G, Jensen J, Ginsburg D, Zhang B. SEC23B is required for the maintenance of murine professional secretory tissues. Proceedings Of The National Academy Of Sciences Of The United States Of America 2012, 109: e2001-e2009. PMID: 22745161, PMCID: PMC3406820, DOI: 10.1073/pnas.1209207109.Peer-Reviewed Original ResearchMeSH KeywordsAlcian BlueAnimalsAnthraquinonesApoptosisEndoplasmic ReticulumFluorescent Antibody TechniqueHumansIn Situ Nick-End LabelingMiceMice, Inbred C57BLMice, TransgenicMicroscopy, ImmunoelectronMutationPancreasReal-Time Polymerase Chain ReactionSecretory PathwaySpecies SpecificityVesicular Transport ProteinsConceptsEndoplasmic reticulumSecretory tissueSpecies-specific shiftsGTPase-activating proteinsUnfolded protein responseAccumulation of proteinsSimilar ultrastructural alterationsAbundant cargoCargo recognitionEukaryotic cellsSar1 GTPaseER exitER lumenSecretory pathwayTissue-specific dependenceProtein responseHypomorphic mutationsSecretory proteinsSEC23BDisparate phenotypesCOPIICongenital dyserythropoietic anemia type IIEmbryonic pancreasAnemia phenotypeProapoptotic pathways