2021
MMAB promotes negative feedback control of cholesterol homeostasis
Goedeke L, Canfrán-Duque A, Rotllan N, Chaube B, Thompson BM, Lee RG, Cline GW, McDonald JG, Shulman GI, Lasunción MA, Suárez Y, Fernández-Hernando C. MMAB promotes negative feedback control of cholesterol homeostasis. Nature Communications 2021, 12: 6448. PMID: 34750386, PMCID: PMC8575900, DOI: 10.1038/s41467-021-26787-7.Peer-Reviewed Original ResearchMeSH KeywordsAlkyl and Aryl TransferasesAnimalsCell Line, TumorCholesterolCholesterol, LDLFeedback, PhysiologicalGene Expression ProfilingHeLa CellsHep G2 CellsHomeostasisHumansHydroxymethylglutaryl CoA ReductasesLiverMice, Inbred C57BLMice, KnockoutPromoter Regions, GeneticReceptors, LDLRNA InterferenceSterol Regulatory Element Binding Protein 2ConceptsCholesterol biosynthesisCholesterol homeostasisMouse hepatic cell lineIntegrative genomic strategyIntricate regulatory networkMaster transcriptional regulatorCellular cholesterol levelsHMGCR activityLDL-cholesterol uptakeCholesterol levelsHuman hepatic cellsSterol contentGenomic strategiesTranscriptional regulatorsRegulatory networksIntracellular cholesterol levelsGene expressionUnexpected roleHepatic cell linesBiosynthesisMMABIntracellular levelsCell linesHomeostasisExpression of SREBP2
2015
The miR-199–dynamin regulatory axis controls receptor-mediated endocytosis
Aranda JF, Canfrán-Duque A, Goedeke L, Suárez Y, Fernández-Hernando C. The miR-199–dynamin regulatory axis controls receptor-mediated endocytosis. Journal Of Cell Science 2015, 128: 3197-3209. PMID: 26163491, PMCID: PMC4582188, DOI: 10.1242/jcs.165233.Peer-Reviewed Original ResearchConceptsClathrin heavy chainReceptor-mediated endocytosisIntracellular traffickingLow-density lipoprotein receptorGene expressionMiR-199aSmall non-coding RNAsNon-coding RNAsTarget gene expressionDynamin genesEukaryotic cellsHuman cell linesEndocytic transportGTPase familyCav-1 expressionUnexpected layerCaveolin-1Intronic sequencesIntracellular transportPhysiological processesEndocytosisImportant regulatorMiR-199bCell linesGenes
2012
Mir-33 regulates cell proliferation and cell cycle progression
Cirera-Salinas D, Pauta M, Allen RM, Salerno AG, Ramírez CM, Chamorro-Jorganes A, Wanschel AC, Lasuncion MA, Morales-Ruiz M, Suarez Y, Baldan A, Esplugues E, Fernández-Hernando C. Mir-33 regulates cell proliferation and cell cycle progression. Cell Cycle 2012, 11: 922-933. PMID: 22333591, PMCID: PMC3323796, DOI: 10.4161/cc.11.5.19421.Peer-Reviewed Original ResearchConceptsCell cycle progressionCyclin-dependent kinase 6Cycle progressionCell proliferationCell cycle regulationMiR-33Expression of genesCyclin D1Cell cycle arrestSREBP genesCycle regulationFatty acid metabolismHost genesPosttranscriptional levelGene expressionIntronic sequencesKinase 6Cellular growthCritical regulatorCycle arrestCellular levelLiver regenerationGenesMiR-33 expressionAcid metabolism
2007
Proteomic Analysis of the Resistance to Aplidin in Human Cancer Cells
González-Santiago L, Alfonso P, Suárez Y, Núñez A, García-Fernández LF, Alvarez E, Muñoz A, Casal JI. Proteomic Analysis of the Resistance to Aplidin in Human Cancer Cells. Journal Of Proteome Research 2007, 6: 1286-1294. PMID: 17338558, DOI: 10.1021/pr060430+.Peer-Reviewed Original ResearchConceptsProtein disulfide isomeraseRole of PDINumber of proteinsRab geranylgeranyltransferaseInduction of apoptosisHuman cancer cellsDisulfide isomeraseProteomic approachMembrane proteinsProteomic analysisMALDI-TOF mass spectrometryApoptosis pathwayDatabase interrogationHeLa cellsCyclophilin AProteinCancer cellsAplidinApoptosisCystathionine gamma lyaseCellsMass spectrometryGeranylgeranyltransferaseEzrinIsomerase
2006
Plitidepsin Cellular Binding and Rac1/JNK Pathway Activation Depend on Membrane Cholesterol Content
Suárez Y, González-Santiago L, Zarich N, Dávalos A, Aranda JF, Alonso MA, Lasunción MA, Rojas JM, Muñoz A. Plitidepsin Cellular Binding and Rac1/JNK Pathway Activation Depend on Membrane Cholesterol Content. Molecular Pharmacology 2006, 70: 1654-1663. PMID: 16928956, DOI: 10.1124/mol.106.025569.Peer-Reviewed Original ResearchConceptsJun N-terminal kinaseMembrane cholesterol contentRac1-JNK pathwayHeLa cellsWild-type HeLa cellsMembrane-bound Rac1Plasma membrane cholesterolRac1 small GTPaseN-terminal kinaseMKP-1 phosphataseJNK pathway activationCellular bindingMDA-MB-231 breast cancer cellsInduction of apoptosisSmall GTPaseMarine cyclic depsipeptidePlasma membraneJNK activationRac1 activationMembrane cholesterolCell deathSubcellular fractioningBreast cancer cellsSustained activationRac1Aplidin® induces JNK-dependent apoptosis in human breast cancer cells via alteration of glutathione homeostasis, Rac1 GTPase activation, and MKP-1 phosphatase downregulation
González-Santiago L, Suárez Y, Zarich N, Muñoz-Alonso M, Cuadrado A, Martínez T, Goya L, Iradi A, Sáez-Tormo G, Maier J, Moorthy A, Cato A, Rojas J, Muñoz A. Aplidin® induces JNK-dependent apoptosis in human breast cancer cells via alteration of glutathione homeostasis, Rac1 GTPase activation, and MKP-1 phosphatase downregulation. Cell Death & Differentiation 2006, 13: 1968-1981. PMID: 16543941, DOI: 10.1038/sj.cdd.4401898.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntineoplastic AgentsApoptosisBreast NeoplasmsCalciumCell Cycle ProteinsCopperDepsipeptidesDown-RegulationDual Specificity Phosphatase 1Enzyme ActivationGlutathione DisulfideGlutathione PeroxidaseGlutathione ReductaseHeLa CellsHomeostasisHumansImmediate-Early ProteinsJNK Mitogen-Activated Protein KinasesMembrane PotentialsMiceMitochondrial MembranesOxidative StressPeptides, CyclicPhosphoprotein PhosphatasesProtein Phosphatase 1Protein Tyrosine PhosphatasesRac1 GTP-Binding ProteinReactive Oxygen SpeciesConceptsJun N-terminal kinaseJNK activationRac1 activationGlutathione homeostasisRac1 small GTPaseJNK-dependent apoptosisRac1 GTPase activationMitochondrial membrane potentialN-terminal kinaseMKP-1 phosphataseSmall GTPaseGTPase activationReactive oxygen speciesHuman breast cancer cellsGSSG/GSH ratioCell deathBreast cancer cellsRapid activationExogenous GSHRNA duplexesSustained activationGSH synthesisSpecific Rac1 inhibitorAplidinDownregulation of Rac1