2020
Novel role of dynamin‐related‐protein 1 in dynamics of ER‐lipid droplets in adipose tissue
Li X, Yang L, Mao Z, Pan X, Zhao Y, Gu X, Eckel‐Mahan K, Zuo Z, Tong Q, Hartig S, Cheng X, Du G, Moore D, Bellen H, Sesaki H, Sun K. Novel role of dynamin‐related‐protein 1 in dynamics of ER‐lipid droplets in adipose tissue. The FASEB Journal 2020, 34: 8265-8282. PMID: 32294302, PMCID: PMC7336545, DOI: 10.1096/fj.201903100rr.Peer-Reviewed Original ResearchConceptsEndoplasmic reticulumFlx/Function of Drp1Multicellular organismsPeroxisomal fissionDrp1 ablationER retentionLD dynamicsAutophagy functionER functionNovel roleDrp1LD morphologyKnockout modelsProtein 1Unilocular morphologyAdipose tissueLipid metabolismDynaminOrganellesCold exposureTissueOrganismsLarge sizeMultilocular structure
2019
Ubiquilins regulate autophagic flux through mTOR signalling and lysosomal acidification
Şentürk M, Lin G, Zuo Z, Mao D, Watson E, Mikos A, Bellen H. Ubiquilins regulate autophagic flux through mTOR signalling and lysosomal acidification. Nature Cell Biology 2019, 21: 384-396. PMID: 30804504, PMCID: PMC6534127, DOI: 10.1038/s41556-019-0281-x.Peer-Reviewed Original ResearchMeSH KeywordsAmyotrophic Lateral SclerosisAnimalsAnimals, Genetically ModifiedAutophagyCarrier ProteinsCell Cycle ProteinsDrosophila melanogasterDrosophila ProteinsGene Expression Regulation, DevelopmentalHEK293 CellsHumansHydrogen-Ion ConcentrationLysosomesMutationNervous SystemSignal TransductionTOR Serine-Threonine KinasesConceptsAutophagic fluxDefective autophagic fluxEndoplasmic reticulum stressReticulum stressRegulator of autophagyConserved roleAmyotrophic lateral sclerosisMammalian cellsProteasomal degradationImpaired proteostasisDemise of neuronsUbiquilinLysosome acidificationFamilial amyotrophic lateral sclerosisLysosomal acidificationATPase activityMTORMutantsAutophagyDrosophilaProteostasisAcidificationCommon featureGenesLateral sclerosisVAMP associated proteins are required for autophagic and lysosomal degradation by promoting a PtdIns4P-mediated endosomal pathway
Mao D, Lin G, Tepe B, Zuo Z, Tan K, Senturk M, Zhang S, Arenkiel B, Sardiello M, Bellen H. VAMP associated proteins are required for autophagic and lysosomal degradation by promoting a PtdIns4P-mediated endosomal pathway. Autophagy 2019, 15: 1214-1233. PMID: 30741620, PMCID: PMC6613884, DOI: 10.1080/15548627.2019.1580103.Peer-Reviewed Original ResearchAnimalsAutophagosomesAutophagyCarrier ProteinsDrosophilaDrosophila ProteinsEIF-2 KinaseEndoplasmic ReticulumEndosomesGolgi ApparatusHEK293 CellsHeLa CellsHumansLysosomal-Associated Membrane Protein 2LysosomesMembrane ProteinsMiceMice, Inbred C57BLMutationPhosphatidylinositol PhosphatesR-SNARE ProteinsRab GTP-Binding ProteinsRab7 GTP-Binding ProteinsVesicular Transport Proteins