2024
Cellular stiffness sensing through talin 1 in tissue mechanical homeostasis
Chanduri M, Kumar A, Weiss D, Emuna N, Barsukov I, Shi M, Tanaka K, Wang X, Datye A, Kanyo J, Collin F, Lam T, Schwarz U, Bai S, Nottoli T, Goult B, Humphrey J, Schwartz M. Cellular stiffness sensing through talin 1 in tissue mechanical homeostasis. Science Advances 2024, 10: eadi6286. PMID: 39167642, PMCID: PMC11338229, DOI: 10.1126/sciadv.adi6286.Peer-Reviewed Original ResearchConceptsTissue mechanical homeostasisStiffness sensingExtracellular matrixTalin-1Mechanical homeostasisExtracellular matrix mechanicsIncreased cell spreadingCell spreadingTalinMutationsCellular sensingFibrillar collagenReduced axial stiffnessTissue mechanical propertiesMechanical propertiesAxial stiffnessCompliant substratesHomeostasisRupture pressureArp2/3ARPC5LStiffnessHomeostasis hypothesisResident cellsTissue stiffnessCpG island turnover events predict evolutionary changes in enhancer activity
Kocher A, Dutrow E, Uebbing S, Yim K, Rosales Larios M, Baumgartner M, Nottoli T, Noonan J. CpG island turnover events predict evolutionary changes in enhancer activity. Genome Biology 2024, 25: 156. PMID: 38872220, PMCID: PMC11170920, DOI: 10.1186/s13059-024-03300-z.Peer-Reviewed Original ResearchConceptsHuman-gained enhancersCpG islandsFunction of transcriptional enhancersEvolution of biological diversityHuman CpG islandsGene regulatory changesInfluence enhancer activityCpG island contentHistone modification levelsEnhanced activitySpecies-specific activityTrait evolutionNucleotide substitutionsHistone modificationsTranscriptional enhancersMouse orthologEvolutionary changesTurnover eventsModification levelsMammalian speciesMultiple tissuesEmbryonic developmentMouse diencephalonHuman embryonic developmentSpecies
2023
Mutation of key signaling regulators of cerebrovascular development in vein of Galen malformations
Zhao S, Mekbib K, van der Ent M, Allington G, Prendergast A, Chau J, Smith H, Shohfi J, Ocken J, Duran D, Furey C, Hao L, Duy P, Reeves B, Zhang J, Nelson-Williams C, Chen D, Li B, Nottoli T, Bai S, Rolle M, Zeng X, Dong W, Fu P, Wang Y, Mane S, Piwowarczyk P, Fehnel K, See A, Iskandar B, Aagaard-Kienitz B, Moyer Q, Dennis E, Kiziltug E, Kundishora A, DeSpenza T, Greenberg A, Kidanemariam S, Hale A, Johnston J, Jackson E, Storm P, Lang S, Butler W, Carter B, Chapman P, Stapleton C, Patel A, Rodesch G, Smajda S, Berenstein A, Barak T, Erson-Omay E, Zhao H, Moreno-De-Luca A, Proctor M, Smith E, Orbach D, Alper S, Nicoli S, Boggon T, Lifton R, Gunel M, King P, Jin S, Kahle K. Mutation of key signaling regulators of cerebrovascular development in vein of Galen malformations. Nature Communications 2023, 14: 7452. PMID: 37978175, PMCID: PMC10656524, DOI: 10.1038/s41467-023-43062-z.Peer-Reviewed Original ResearchConceptsEphrin receptor B4Galen malformationBrain arteriovenous malformationsP120 RasGAPTransmitted variantsArteriovenous malformationsDe novo variantsSingle-cell transcriptomesSignificant burdenCerebrovascular developmentIntegrative genomic analysisEndothelial cellsVenous networkAdditional probandsMalformationsNovo variantsMissense variantsGenomic analysisDevelopmental angiogenesisVascular developmentDamaging variantsVeinRasGAPIntegrated analysisPatientsIsradipine therapy in Cacna1dIle772Met/+ mice ameliorates primary aldosteronism and neurologic abnormalities
Stölting G, Dinh H, Volkert M, Hellmig N, Schewe J, Hennicke L, Seidel E, Oberacher H, Zhang J, Lifton R, Urban I, Long M, Rivalan M, Nottoli T, Scholl U. Isradipine therapy in Cacna1dIle772Met/+ mice ameliorates primary aldosteronism and neurologic abnormalities. JCI Insight 2023, 8: e162468. PMID: 37698934, PMCID: PMC10619505, DOI: 10.1172/jci.insight.162468.Peer-Reviewed Original ResearchConceptsPrimary aldosteronismNeurologic abnormalitiesZona glomerulosaIntracellular calciumElevated aldosterone/renin ratioCalcium channel blocker isradipineAldosterone/renin ratioL-type calcium channel Cav1.3Aldosterone-producing lesionsAdrenal aldosterone-producing adenomaHigh-salt dietTonic-clonic seizuresChannel blocker isradipineReduced body weightAldosterone-producing adenomaTherapy of patientsElevated intracellular calciumFunction mutationsDe novo germline mutationsDays of ageIsradipine therapyAldosterone levelsRenin ratioSerum aldosteroneRotarod test
2022
Modeling uniquely human gene regulatory function via targeted humanization of the mouse genome
Dutrow EV, Emera D, Yim K, Uebbing S, Kocher AA, Krenzer M, Nottoli T, Burkhardt DB, Krishnaswamy S, Louvi A, Noonan JP. Modeling uniquely human gene regulatory function via targeted humanization of the mouse genome. Nature Communications 2022, 13: 304. PMID: 35027568, PMCID: PMC8758698, DOI: 10.1038/s41467-021-27899-w.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceCell DifferentiationChondrocytesChondrogenesisEmbryo, MammalianEnhancer Elements, GeneticEpigenesis, GeneticExtremitiesGene Expression ProfilingGene Expression RegulationGene Knock-In TechniquesGenomeHomeodomain ProteinsHomozygoteHumansMesodermMice, Inbred C57BLModels, GeneticPan troglodytesPromoter Regions, GeneticTime FactorsConceptsHuman Accelerated RegionsGene expressionHuman-specific sequence changesDevelopmental gene regulationSingle-cell RNA sequencingGene regulatory functionsHuman evolutionEndogenous gene expressionAlters gene expressionSkeletal patterningMolecular functionsGene regulationChondrogenic mesenchymeMouse genomeRegulatory modificationHomozygous embryosLimb developmentTranscriptional enhancersTranscription factorsRNA sequencingEnhancer activityMouse embryosRegulatory functionsAccelerated regionSequence changes
2021
Rho-GTPase Activating Protein myosin MYO9A identified as a novel candidate gene for monogenic focal segmental glomerulosclerosis
Li Q, Gulati A, Lemaire M, Nottoli T, Bale A, Tufro A. Rho-GTPase Activating Protein myosin MYO9A identified as a novel candidate gene for monogenic focal segmental glomerulosclerosis. Kidney International 2021, 99: 1102-1117. PMID: 33412162, PMCID: PMC8076076, DOI: 10.1016/j.kint.2020.12.022.Peer-Reviewed Original ResearchConceptsRhoA activityRho-GAP domainActin stress fiber formationCell junction assemblySmall GTPase proteinsNovel candidate genesStress fiber formationBundles actinCytoskeleton regulationGTPase proteinsActomyosin contractilityJunction assemblyMYO9AAutosomal dominant focal segmental glomerulosclerosisCandidate genesGene contributionCytoskeletal apparatusUnconventional myosinNovel componentRhoA geneWhole-exome sequencingGene editingFSGS phenotypeMolecular causesCalmodulin interaction
2015
Impaired LRP6-TCF7L2 Activity Enhances Smooth Muscle Cell Plasticity and Causes Coronary Artery Disease
Srivastava R, Zhang J, Go GW, Narayanan A, Nottoli TP, Mani A. Impaired LRP6-TCF7L2 Activity Enhances Smooth Muscle Cell Plasticity and Causes Coronary Artery Disease. Cell Reports 2015, 13: 746-759. PMID: 26489464, PMCID: PMC4626307, DOI: 10.1016/j.celrep.2015.09.028.Peer-Reviewed Original ResearchConceptsCoronary artery diseaseLRP6 activityArtery diseaseObstructive coronary artery diseaseHigh-fat dietVascular smooth muscle cell differentiationMuscle cell plasticitySmooth muscle cell differentiationAtherosclerotic burdenMedial hyperplasiaCarotid injuryArterial diseaseVascular obstructionNeointima formationTherapeutic targetWnt3a administrationIntact WntVSMC differentiationKnockout backgroundDiseaseMiceVessel wallNon-canonical WntCoreceptor LRP6Cell plasticity
2010
Glucocerebrosidase gene-deficient mouse recapitulates Gaucher disease displaying cellular and molecular dysregulation beyond the macrophage
Mistry PK, Liu J, Yang M, Nottoli T, McGrath J, Jain D, Zhang K, Keutzer J, Chuang WL, Mehal WZ, Zhao H, Lin A, Mane S, Liu X, Peng YZ, Li JH, Agrawal M, Zhu LL, Blair HC, Robinson LJ, Iqbal J, Sun L, Zaidi M. Glucocerebrosidase gene-deficient mouse recapitulates Gaucher disease displaying cellular and molecular dysregulation beyond the macrophage. Proceedings Of The National Academy Of Sciences Of The United States Of America 2010, 107: 19473-19478. PMID: 20962279, PMCID: PMC2984187, DOI: 10.1073/pnas.1003308107.Peer-Reviewed Original ResearchConceptsType 1 Gaucher diseaseThymic T cellsGene-deficient miceOsteoblastic bone formationWorthwhile therapeutic targetDendritic cellsSevere osteoporosisAutoimmune diseasesWidespread dysfunctionCytokine measurementsT cellsCell lineagesParkinson's diseaseTherapeutic targetGBA1 geneMononuclear phagocytesGaucher diseaseGlucocerebrosidase deficiencyMolecular dysregulationDiseaseInhibitory effectBone formationMultiple cell lineagesMesenchymal cell lineagesMacrophages
2002
Transcription factor AP-2gamma is essential in the extra-embryonic lineages for early postimplantation development.
Auman HJ, Nottoli T, Lakiza O, Winger Q, Donaldson S, Williams T. Transcription factor AP-2gamma is essential in the extra-embryonic lineages for early postimplantation development. Development 2002, 129: 2733-47. PMID: 12015300, DOI: 10.1242/dev.129.11.2733.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlastocystBreast NeoplasmsDNA-Binding ProteinsEmbryo ImplantationEmbryonic and Fetal DevelopmentFemaleGene Expression Regulation, DevelopmentalGenotypeHumansMiceMice, KnockoutMorphogenesisPlacentaPolymerase Chain ReactionPregnancyRestriction MappingTranscription Factor AP-2Transcription FactorsConceptsExtra-embryonic lineagesAP-2gammaAnterior-posterior patterningStem cell maintenanceEarly postimplantation developmentExtra-embryonic tissuesAcid-responsive genesAP-2 familyRetinoic acid-responsive geneTrophoblast-specific expressionMaternal-embryonic interfaceMammalian developmentDays post coitumExtra-embryonic membranesCell maintenanceTranscription factorsEmbryonic developmentGene disruptionBiological functionsMouse embryosPostimplantation developmentPreimplantation embryosMutantsMolecular analysisNormal development