2021
Overlapping roles of JIP3 and JIP4 in promoting axonal transport of lysosomes in human iPSC-derived neurons
Gowrishankar S, Lyons L, Rafiq NM, Roczniak-Ferguson A, De Camilli P, Ferguson SM. Overlapping roles of JIP3 and JIP4 in promoting axonal transport of lysosomes in human iPSC-derived neurons. Molecular Biology Of The Cell 2021, 32: 1094-1103. PMID: 33788575, PMCID: PMC8351540, DOI: 10.1091/mbc.e20-06-0382.Peer-Reviewed Original ResearchConceptsAxonal transportAlzheimer's disease-related amyloid precursor proteinAmyloidogenic APP processingAmyloid precursor proteinDependence of neuronsHuman iPSCNeuronal cell biologyAPP processingAxonal lysosomesNeuronsLoss of JIP3Lysosome abundanceMovement of lysosomesPrecursor proteinCellular modelCritical regulatorStem cellsPluripotent stem cellsAβ42 peptideIPSCsLysosome transportLysosomesOverlapping rolePathology
2016
C9orf72 binds SMCR8, localizes to lysosomes, and regulates mTORC1 signaling
Amick J, Roczniak-Ferguson A, Ferguson SM. C9orf72 binds SMCR8, localizes to lysosomes, and regulates mTORC1 signaling. Molecular Biology Of The Cell 2016, 27: 3040-3051. PMID: 27559131, PMCID: PMC5063613, DOI: 10.1091/mbc.e16-01-0003.Peer-Reviewed Original ResearchConceptsAmino acid availabilityAcid availabilityGenome-editing strategiesKO cell linesProtein complexesSubcellular localizationKnockout phenotypesC9orf72 proteinLysosomal siteBioinformatics predictionSMCR8Tumor suppressorSwollen lysosomesFunctional interactionLysosomesC9orf72 geneCell linesStructural similarityNormal functionC9orf72PhenotypeAmyotrophic lateral sclerosisBirt-HoggIntronsMTORC1
2013
Recruitment of folliculin to lysosomes supports the amino acid–dependent activation of Rag GTPases
Petit CS, Roczniak-Ferguson A, Ferguson SM. Recruitment of folliculin to lysosomes supports the amino acid–dependent activation of Rag GTPases. Journal Of Cell Biology 2013, 202: 1107-1122. PMID: 24081491, PMCID: PMC3787382, DOI: 10.1083/jcb.201307084.Peer-Reviewed Original ResearchMeSH KeywordsAmino AcidsBasic Helix-Loop-Helix Leucine Zipper Transcription FactorsBlotting, WesternCarrier ProteinsCytoplasmFluorescent Antibody TechniqueHumansImmunoprecipitationLysosomesMechanistic Target of Rapamycin Complex 1Monomeric GTP-Binding ProteinsMultiprotein ComplexesProto-Oncogene ProteinsRecombinant ProteinsRNA, Small InterferingTOR Serine-Threonine KinasesTumor Suppressor ProteinsConceptsAmino acid-dependent activationAcid-dependent activationTranscription factor EBRag GTPasesSurface of lysosomesMTORC1-dependent phosphorylationAmino acid depletionLysosome recruitmentGTPase domainRAG interactionsCytoplasmic sequestrationLysosome functionGTPasesFLCNHuman diseasesFunction mutationsDevelopment of pneumothoraxProtein 1Direct interactionLysosomesCritical rolePulmonary cystsSite of actionAcid depletionFolliculin gene