Pablo Fernandez Tussy
Associate Research ScientistCards
About
Research
Publications
2025
Hypercholesterolemia-induced LXR signaling in smooth muscle cells contributes to vascular lesion remodeling and visceral function
Zhang H, de Urturi D, Fernández-Tussy P, Huang Y, Jovin D, Zhang X, Huang S, Lek M, da Silva Catarino J, Sternak M, Citrin K, Swirski F, Gustafsson J, Greif D, Esplugues E, Biwer L, Suárez Y, Fernández-Hernando C. Hypercholesterolemia-induced LXR signaling in smooth muscle cells contributes to vascular lesion remodeling and visceral function. Proceedings Of The National Academy Of Sciences Of The United States Of America 2025, 122: e2417512122. PMID: 40035761, PMCID: PMC11912459, DOI: 10.1073/pnas.2417512122.Peer-Reviewed Original ResearchConceptsVascular smooth muscle cellsSmooth muscle cellsLiver X receptorLesion remodelingMuscle cellsVascular functionArterial media layerContribution of lipid metabolismPhenotypic switchingRegulate vascular toneMonocyte-derived macrophagesLipid metabolismPhenotypic switching of vascular smooth muscle cellsSwitching of vascular smooth muscle cellsNecrotic core areaRegulate vascular functionFoam cell populationVisceral myopathyBladder remodelingAortic atheromaFibrous cap thicknessRemodeling in vivoLipid malabsorptionVascular toneAbundant cell type
2024
Endothelial γ-protocadherins inhibit KLF2 and KLF4 to promote atherosclerosis
Joshi D, Coon B, Chakraborty R, Deng H, Yang Z, Babar M, Fernandez-Tussy P, Meredith E, Attanasio J, Joshi N, Traylor J, Orr A, Fernandez-Hernando C, Libreros S, Schwartz M. Endothelial γ-protocadherins inhibit KLF2 and KLF4 to promote atherosclerosis. Nature Cardiovascular Research 2024, 3: 1035-1048. PMID: 39232138, PMCID: PMC11399086, DOI: 10.1038/s44161-024-00522-z.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAtherosclerosisCadherin Related ProteinsCadherinsDisease Models, AnimalEndothelial CellsHuman Umbilical Vein Endothelial CellsHumansKruppel-Like Factor 4Kruppel-Like Transcription FactorsMaleMiceMice, Inbred C57BLMice, KnockoutPlaque, AtheroscleroticReceptors, NotchSignal TransductionConceptsAtherosclerotic cardiovascular diseaseIntracellular domainNotch intracellular domainTranscription factor KLF2Mechanisms of vascular inflammationAnti-inflammatory programVascular endothelial cellsHost defenseCleavage resultsAntibody blockadeGenetic deletionVascular inflammationViral infectionImmune systemEndothelial cellsCardiovascular diseasePromote atherosclerosisBlood flowKLF2KLF4Suppressive signalsEndotheliumMechanistic studiesmiR-33 deletion in hepatocytes attenuates NAFLD-NASH-HCC progression
https://insight.jci.org/articles/view/168476Peer-Reviewed Original Research In PressmiR-33 deletion in hepatocytes attenuates NAFLD-NASH-HCC progression
Fernández-Tussy P, Cardelo M, Zhang H, Sun J, Price N, Boutagy N, Goedeke L, Cadena-Sandoval M, Xirouchaki C, Brown W, Yang X, Pastor-Rojo O, Haeusler R, Bennett A, Tiganis T, Suárez Y, Fernández-Hernando C. miR-33 deletion in hepatocytes attenuates NAFLD-NASH-HCC progression. JCI Insight 2024, 9: e168476. PMID: 39190492, PMCID: PMC11466198, DOI: 10.1172/jci.insight.168476.Peer-Reviewed Original ResearchMiR-33Regulation of biological processesMitochondrial fatty acid oxidationRegulation of lipid metabolismNon-alcoholic fatty liver diseaseDevelopment of effective therapeuticsFatty acid oxidationLipid synthesisProgression of non-alcoholic fatty liver diseaseMitochondrial functionTarget genesBiological processesComplex diseasesNon-alcoholic steatohepatitisLipid accumulationDeletionDevelopment of non-alcoholic fatty liver diseasePathway activationLipid metabolismProgress to non-alcoholic steatohepatitisAcid oxidationHCC progressionEffective therapeuticsTherapeutic targetHepatocellular carcinomaAbstract 129: Hypercholesterolemia-induced Lxr Signaling In Smc Contributes To Atherosclerotic Lesion Remodeling And Regulates Vascular And Visceral Smc Function
Zhang H, Biwer L, de Urturi D, Fernandez-Tussy P, Jovin D, Huang Y, Zhang X, Esplugues E, Greif D, Suarez Y, Fernandez-Hernando C. Abstract 129: Hypercholesterolemia-induced Lxr Signaling In Smc Contributes To Atherosclerotic Lesion Remodeling And Regulates Vascular And Visceral Smc Function. Arteriosclerosis Thrombosis And Vascular Biology 2024, 44: a129-a129. DOI: 10.1161/atvb.44.suppl_1.129.Peer-Reviewed Original ResearchLiver X receptorTranscription factorsVascular smooth muscle cellsRegulation of lipid metabolismLXR signalingB geneScRNA-seqFate decisionsSignaling eventsSMC functionGene expressionActivation of liver X receptorCell statesLesion remodelingCharacterized miceLipid metabolismLineage tracingPhenotypic switchingX receptorReduced fibrous cap thicknessTranscriptionFeatures of plaque instabilitySmooth muscle cellsLipid absorptionProgression of atherosclerosisFatty acid binding protein 5 suppression attenuates obesity-induced hepatocellular carcinoma by promoting ferroptosis and intratumoral immune rewiring
Sun J, Esplugues E, Bort A, Cardelo M, Ruz-Maldonado I, Fernández-Tussy P, Wong C, Wang H, Ojima I, Kaczocha M, Perry R, Suárez Y, Fernández-Hernando C. Fatty acid binding protein 5 suppression attenuates obesity-induced hepatocellular carcinoma by promoting ferroptosis and intratumoral immune rewiring. Nature Metabolism 2024, 6: 741-763. PMID: 38664583, PMCID: PMC12355809, DOI: 10.1038/s42255-024-01019-6.Peer-Reviewed Original ResearchConceptsFatty acid binding protein 5Tumor-associated macrophagesHepatocellular carcinomaImmunosuppressive phenotype of tumor-associated macrophagesIncreased CD8+ T cell activationCD8+ T cell activationPhenotype of tumor-associated macrophagesPro-inflammatory tumor microenvironmentCo-stimulatory molecules CD80T cell activationHepatocellular carcinoma burdenTransformation of hepatocytesBinding protein 5Potential therapeutic approachImmunosuppressive phenotypeTumor microenvironmentFerroptosis-induced cell deathMale miceEnhanced ferroptosisTherapeutic approachesPharmacological inhibitionGenetic ablationIncreased expressionSingle-cell atlasAnalysis of transformed cellsmicroRNA-33 controls hunger signaling in hypothalamic AgRP neurons
Price N, Fernández-Tussy P, Varela L, Cardelo M, Shanabrough M, Aryal B, de Cabo R, Suárez Y, Horvath T, Fernández-Hernando C. microRNA-33 controls hunger signaling in hypothalamic AgRP neurons. Nature Communications 2024, 15: 2131. PMID: 38459068, PMCID: PMC10923783, DOI: 10.1038/s41467-024-46427-0.Peer-Reviewed Original ResearchConceptsAgRP neuronsFeeding behaviorFatty acid metabolismNon-coding RNAsMitochondrial biogenesisRegulatory pathwaysTarget genesHypothalamic AgRP neuronsExcessive nutrient intakeCentral regulatorBioenergetic processesAcid metabolismActivation of AgRP neuronsModulate feeding behaviorCentral regulation of feeding behaviorRegulation of feeding behaviorMiR-33Hunger signalsMicroRNA-33Metabolic diseasesAlternative therapeutic approachLoss of miR-33Mouse modelMetabolic dysfunctionRegulation
2022
Fibronectin-Integrin α5 Signaling in Vascular Complications of Type 1 Diabetes.
Chen M, Hu R, Cavinato C, Zhuang ZW, Zhang J, Yun S, Fernandez Tussy P, Singh A, Murtada SI, Tanaka K, Liu M, Fernández-Hernando C, Humphrey JD, Schwartz MA. Fibronectin-Integrin α5 Signaling in Vascular Complications of Type 1 Diabetes. Diabetes 2022, 71: 2020-2033. PMID: 35771994, PMCID: PMC9450851, DOI: 10.2337/db21-0958.Peer-Reviewed Original ResearchConceptsVascular complicationsInjection of streptozotocinBlood flow recoveryHigh-fat dietType 1 diabetesInflammatory cell invasionIntegrin α5T1D miceVascular basement membraneVascular diseaseCarotid arteryHindlimb ischemiaMetalloproteinase expressionMain receptorType 1Plaque sizeBeneficial effectsEndothelial cellsMajor causeCell invasionExtracellular matrix proteinsHyperlipidemiaComplicationsBasement membraneT1DMethionine Cycle Rewiring by Targeting miR-873-5p Modulates Ammonia Metabolism to Protect the Liver from Acetaminophen
Rodríguez-Agudo R, Goikoetxea-Usandizaga N, Serrano-Maciá M, Fernández-Tussy P, Fernández-Ramos D, Lachiondo-Ortega S, González-Recio I, Gil-Pitarch C, Mercado-Gómez M, Morán L, Bizkarguenaga M, Lopitz-Otsoa F, Petrov P, Bravo M, Van Liempd S, Falcon-Perez J, Zabala-Letona A, Carracedo A, Castell J, Jover R, Martínez-Cruz L, Delgado T, Cubero F, Lucena M, Andrade R, Mabe J, Simón J, Martínez-Chantar M. Methionine Cycle Rewiring by Targeting miR-873-5p Modulates Ammonia Metabolism to Protect the Liver from Acetaminophen. Antioxidants 2022, 11: 897. PMID: 35624761, PMCID: PMC9137496, DOI: 10.3390/antiox11050897.Peer-Reviewed Original Research
2021
Astrocytic lipid metabolism determines susceptibility to diet-induced obesity
Varela L, Kim JG, Fernández-Tussy P, Aryal B, Liu ZW, Fernández-Hernando C, Horvath TL. Astrocytic lipid metabolism determines susceptibility to diet-induced obesity. Science Advances 2021, 7: eabj2814. PMID: 34890239, PMCID: PMC11323787, DOI: 10.1126/sciadv.abj2814.Peer-Reviewed Original ResearchDiet-induced obesityHypothalamic astrocytesPeroxisome proliferator-activated receptor gammaHypothalamic neuronal circuitsProliferator-activated receptor gammaControl of feedingFatty acid homeostasisSystemic glucoseMetabolic milieuGlucose homeostasisBody weightReceptor gammaSynaptic plasticityNeuronal circuitsNutrient sensingLipid metabolismCellular adaptationObesityAstrocytesAcid homeostasisUnidentified roleFA metabolismEnergy metabolismElevated susceptibilityAvailability of FA
Academic Achievements & Community Involvement
Get In Touch
Contacts
Locations
Amistad Street Building
Lab
10 Amistad Street, Fl 4th, Rm 414
New Haven, CT 06519