2023
MicroRNA-1 protects the endothelium in acute lung injury
Korde A, Haslip M, Pednekar P, Khan A, Chioccioli M, Mehta S, Lopez-Giraldez F, Bermejo S, Rojas M, Dela Cruz C, Matthay M, Pober J, Pierce R, Takyar S. MicroRNA-1 protects the endothelium in acute lung injury. JCI Insight 2023, 8: e164816. PMID: 37737266, PMCID: PMC10561733, DOI: 10.1172/jci.insight.164816.Peer-Reviewed Original ResearchConceptsAcute respiratory distress syndromeAcute lung injuryVascular endothelial growth factorAngiopoietin-2Lung injuryAcute injuryMiR-1MicroRNA-1Endothelial cell-specific overexpressionSevere endothelial dysfunctionRespiratory distress syndromeSurvival of miceIntrinsic protective effectContext of injuryCell-specific overexpressionEndothelial growth factorFamily member 3Pneumonia cohortMiR-1 targetsEndothelial dysfunctionDistress syndromeBarrier dysfunctionCapillary leakProtective effectSevere form
2021
Cumulus cells of euploid versus whole chromosome 21 aneuploid embryos reveal differentially expressed genes
Tiegs AW, Titus S, Mehta S, Garcia-Milian R, Seli E, Scott RT. Cumulus cells of euploid versus whole chromosome 21 aneuploid embryos reveal differentially expressed genes. Reproductive BioMedicine Online 2021, 43: 614-626. PMID: 34417138, DOI: 10.1016/j.rbmo.2021.06.015.Peer-Reviewed Original ResearchConceptsSerum response factorCumulus cellsDifferential gene expressionRNA sequencing analysisGene expression analysisIngenuity Pathway AnalysisCellular communication network factor 1Embryo developmental competenceExpression analysisPreimplantation embryo qualityGene expressionPathway analysisSegment polarity protein 2Sequencing analysisGenesProtein 2Response factorTrisomy 21Factor 1Developmental competenceAneuploid embryosReal-time polymerase chain reaction assaysDevelopment of biomarkersEmbryosCells
2020
Single-cell transcriptional landscapes reveal HIV-1–driven aberrant host gene transcription as a potential therapeutic target
Liu R, Yeh YJ, Varabyou A, Collora JA, Sherrill-Mix S, Talbot CC, Mehta S, Albrecht K, Hao H, Zhang H, Pollack RA, Beg SA, Calvi RM, Hu J, Durand CM, Ambinder RF, Hoh R, Deeks SG, Chiarella J, Spudich S, Douek DC, Bushman FD, Pertea M, Ho YC. Single-cell transcriptional landscapes reveal HIV-1–driven aberrant host gene transcription as a potential therapeutic target. Science Translational Medicine 2020, 12 PMID: 32404504, PMCID: PMC7453882, DOI: 10.1126/scitranslmed.aaz0802.Peer-Reviewed Original ResearchConceptsHost gene transcriptionGene transcriptionLong terminal repeatHIV-1 reactivationCellular factorsIntegration sitesNonsense-mediated RNA decaySingle-cell transcriptional landscapePotential therapeutic targetSingle-cell transcriptome analysisHIV-1-host interactionsHIV-1HIV-1 promoterTherapeutic targetHIV-1 5' long terminal repeatRNA decayTranscriptional landscapeHIV-1-infected individualsHIV-1-infected cellsTranscriptome analysisAberrant transcriptionRNA transcriptionHost RNACellular survivalTranscription pathway
2019
Genomic sites hypersensitive to ultraviolet radiation
Premi S, Han L, Mehta S, Knight J, Zhao D, Palmatier MA, Kornacker K, Brash DE. Genomic sites hypersensitive to ultraviolet radiation. Proceedings Of The National Academy Of Sciences Of The United States Of America 2019, 116: 24196-24205. PMID: 31723047, PMCID: PMC6883822, DOI: 10.1073/pnas.1907860116.Peer-Reviewed Original ResearchMeSH Keywords5' Untranslated RegionsCells, CulturedDNA DamageFibroblastsGene Expression RegulationGenome, HumanHigh-Throughput Nucleotide SequencingHumansMelanocytesMelanomaMutationPromoter Regions, GeneticProtein BiosynthesisPyrimidine DimersPyrimidine NucleotidesSkin NeoplasmsTOR Serine-Threonine KinasesUltraviolet RaysConceptsCyclobutane pyrimidine dimersETS family transcription factorsIndividual gene promotersFamily transcription factorsRNA-binding proteinPrimary human melanocytesSingle-base resolutionEpigenetic marksGenomic averageTranslation regulationGenomic sitesMotif locationsTranscription factorsCell physiologyGene promoterCancer driversGenomeHuman melanocytesCell typesTumor evolutionCell pathwaysRare mutationsUV targetPyrimidine dimersApurinic sitesHistone H2B monoubiquitination regulates heart development via epigenetic control of cilia motility
Robson A, Makova SZ, Barish S, Zaidi S, Mehta S, Drozd J, Jin SC, Gelb BD, Seidman CE, Chung WK, Lifton RP, Khokha MK, Brueckner M. Histone H2B monoubiquitination regulates heart development via epigenetic control of cilia motility. Proceedings Of The National Academy Of Sciences Of The United States Of America 2019, 116: 14049-14054. PMID: 31235600, PMCID: PMC6628794, DOI: 10.1073/pnas.1808341116.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell MovementCell ProliferationChromatin Assembly and DisassemblyCiliaDisease Models, AnimalEpigenesis, GeneticGene Expression Regulation, NeoplasticHeartHeart Defects, CongenitalHistonesHumansLoss of Function MutationMiceRegulatory Factor X Transcription FactorsSignal TransductionUbiquitin-Conjugating EnzymesUbiquitin-Protein LigasesUbiquitinationXenopusConceptsHistone H2B monoubiquitinationCilia genesH2B monoubiquitinationCilia motilityFunctional gene ontologyHuman congenital heart diseaseUpstream transcriptional regulatorsTissue-specific expressionChromatin remodeling genesChromatin remodelingEpigenetic controlH2Bub1 levelsTranscriptional regulatorsChIP-seqDepletion phenotypeGene OntologyGenomic analysisTranscription factorsKnockdown resultsLeft-right asymmetryCilia functionHeart developmentH2Bub1RNF20Complex consistingTranscriptional down-regulation of ccr5 in a subset of HIV+ controllers and their family members
Gonzalo-Gil E, Rapuano PB, Ikediobi U, Leibowitz R, Mehta S, Coskun AK, Porterfield JZ, Lampkin TD, Marconi VC, Rimland D, Walker BD, Deeks S, Sutton RE. Transcriptional down-regulation of ccr5 in a subset of HIV+ controllers and their family members. ELife 2019, 8: e44360. PMID: 30964004, PMCID: PMC6456299, DOI: 10.7554/elife.44360.Peer-Reviewed Original ResearchConceptsAccessible chromatinActive transcriptionATAC-seqNearby genesCell surface expressionChromosome 3p21Genetic determinantsFamily membersT cell activationHost genetic determinantsResistance phenotypeChemokine receptor mRNACCR5 cell surface expressionRNA levelsCell activationPhenotypeT cellsCellsChromatinTranscriptionGenesKbMembersReceptor mRNAMRNA
2018
Single-cell RNA sequencing reveals microglia-like cells in cerebrospinal fluid during virologically suppressed HIV
Farhadian SF, Mehta SS, Zografou C, Robertson K, Price RW, Pappalardo J, Chiarella J, Hafler DA, Spudich SS. Single-cell RNA sequencing reveals microglia-like cells in cerebrospinal fluid during virologically suppressed HIV. JCI Insight 2018, 3: e121718. PMID: 30232286, PMCID: PMC6237230, DOI: 10.1172/jci.insight.121718.Peer-Reviewed Original ResearchConceptsCerebrospinal fluidHIV infectionImmune activationAntiretroviral therapyNeuronal injuryCentral nervous system immune activationLong-term suppressive antiretroviral therapySingle-cell RNA sequencingCNS immune activationDisease-associated microgliaSuppressive antiretroviral therapyImmune cell subsetsMicroglia-like cellsGene expression signaturesNeuronal damageNeuroinflammatory diseasesRNA sequencingCell subsetsCNS cellsNeurological conditionsRare subsetNeurocognitive impairmentMyeloid cellsCellular subsetsInfectionDppa2/4 Facilitate Epigenetic Remodeling during Reprogramming to Pluripotency
Hernandez C, Wang Z, Ramazanov B, Tang Y, Mehta S, Dambrot C, Lee YW, Tessema K, Kumar I, Astudillo M, Neubert TA, Guo S, Ivanova NB. Dppa2/4 Facilitate Epigenetic Remodeling during Reprogramming to Pluripotency. Cell Stem Cell 2018, 23: 396-411.e8. PMID: 30146411, PMCID: PMC6128737, DOI: 10.1016/j.stem.2018.08.001.Peer-Reviewed Original ResearchConceptsInduced pluripotent stem cellsDNA damage response pathwayAcquisition of pluripotencyDamage response pathwayDNA methylation patternsStem cellsEmbryonic stem cellsESC enhancersPluripotent stem cellsMyc factorsPluripotent stateSomatic genesChromatin decompactionMolecular machineryEpigenetic remodelingEfficient reprogrammingResponse pathwaysSomatic cellsMethylation patternsPluripotencyHuman cellsEpigenomeEnhancerCellsKey roleTranslocation of a gut pathobiont drives autoimmunity in mice and humans
Vieira S, Hiltensperger M, Kumar V, Zegarra-Ruiz D, Dehner C, Khan N, Costa FRC, Tiniakou E, Greiling T, Ruff W, Barbieri A, Kriegel C, Mehta SS, Knight JR, Jain D, Goodman AL, Kriegel MA. Translocation of a gut pathobiont drives autoimmunity in mice and humans. Science 2018, 359: 1156-1161. PMID: 29590047, PMCID: PMC5959731, DOI: 10.1126/science.aar7201.Peer-Reviewed Original ResearchConceptsGut pathobiontAutoimmune-prone miceMurine findingsIntramuscular vaccinePathogenic autoantibodiesLiver biopsyAutoimmune responseAutoimmune patientsAntibiotic treatmentT cellsImmune diseasesAutoimmunitySusceptible humansPathobiontsSystemic tissuesHuman hepatocytesAutoantibodiesMortalityMiceCocultureHepatocytesGenetic backgroundTissueBiopsyPatientsLvr, a Signaling System That Controls Global Gene Regulation and Virulence in Pathogenic Leptospira
Adhikarla H, Wunder EA, Mechaly AE, Mehta S, Wang Z, Santos L, Bisht V, Diggle P, Murray G, Adler B, Lopez F, Townsend JP, Groisman E, Picardeau M, Buschiazzo A, Ko AI. Lvr, a Signaling System That Controls Global Gene Regulation and Virulence in Pathogenic Leptospira. Frontiers In Cellular And Infection Microbiology 2018, 8: 45. PMID: 29600195, PMCID: PMC5863495, DOI: 10.3389/fcimb.2018.00045.Peer-Reviewed Original ResearchConceptsResponse regulatorTwo-component system proteinsDNA-binding response regulatorGlobal transcriptional regulationHybrid histidine kinaseGlobal gene regulationNovel signal pathwayComprehensive genomic analysisPhosphotransfer assaysTCS genesHistidine kinaseGene duplicationTranscriptional regulationGene regulationCorresponding genesPhylogenetic analysisGenomic analysisMolecular basisMutant strainSystem proteinsSignaling systemInfection processGenesBranched pathwayVirulence