2024
Clinical spectrum of Transthyretin amyloidogenic mutations among diverse population origins
De Lillo A, Pathak G, Low A, De Angelis F, Abou Alaiwi S, Miller E, Fuciarelli M, Polimanti R. Clinical spectrum of Transthyretin amyloidogenic mutations among diverse population origins. Human Genomics 2024, 18: 31. PMID: 38523305, PMCID: PMC10962184, DOI: 10.1186/s40246-024-00596-7.Peer-Reviewed Original ResearchConceptsCardiac congenital anomaliesAmyloidogenic mutationsCross-ancestry meta-analysisCongenital anomaliesComplex genotype-phenotype correlationsVal122Ile mutationGenotype-phenotype correlationPeripheral nerve disordersHereditary form of amyloidosisAncestry-specificCross-ancestryEuropean-descent individualsEast AsiansTTR-related amyloidosisIndividuals of African descentPopulation originClinical presentationAtrioventricular blockClinical spectrumDelayed diagnosisTTR mutationsAfrican descentNerve disordersTransthyretin mutationMutations
2022
Investigation on the high recurrence of the ATTRv-causing transthyretin variant Val142Ile in central Italy
Mazzarotto F, Argirò A, Zampieri M, Magri C, Giotti I, Boschi B, Frusconi S, Gennarelli M, Buxbaum J, Polimanti R, Olivotto I, Perfetto F, Cappelli F. Investigation on the high recurrence of the ATTRv-causing transthyretin variant Val142Ile in central Italy. European Journal Of Human Genetics 2022, 31: 541-547. PMID: 36380086, PMCID: PMC10172197, DOI: 10.1038/s41431-022-01235-2.Peer-Reviewed Original Research
2021
The integration of genetically-regulated transcriptomics and electronic health records highlights a pattern of medical outcomes related to increased hepatic transthyretin expression
Pathak GA, De Lillo A, Wendt FR, De Angelis F, Koller D, Mendoza B, Jacoby D, Miller EJ, Buxbaum JN, Polimanti R. The integration of genetically-regulated transcriptomics and electronic health records highlights a pattern of medical outcomes related to increased hepatic transthyretin expression. Amyloid 2021, 29: 110-119. PMID: 34935565, PMCID: PMC9213571, DOI: 10.1080/13506129.2021.2018678.Peer-Reviewed Original ResearchMeSH KeywordsAmyloid Neuropathies, FamilialElectronic Health RecordsFractures, BoneHumansPrealbuminTranscriptomeConceptsGenotype-Tissue Expression (GTEx) projectMulti-tissue analysisElectronic health recordsTTR amyloid formationGenetic regulationExpression projectRNA interferenceTranscriptomic profilesGene expressionExpression informationHepatic expressionHealth outcomesPhenotypic informationAmyloid formationHealth recordsCarpal tunnel syndromeTranscriptionTransthyretin expressionSystemic amyloidosesHepatic transcriptionPathological processesExpressionTunnel syndromeGastrointestinal diseasesSurgical proceduresEpigenomic Profiles of African-American Transthyretin Val122Ile Carriers Reveals Putatively Dysregulated Amyloid Mechanisms
Pathak GA, Wendt FR, De Lillo A, Nunez YZ, Goswami A, De Angelis F, Fuciarelli M, Kranzler HR, Gelernter J, Polimanti R. Epigenomic Profiles of African-American Transthyretin Val122Ile Carriers Reveals Putatively Dysregulated Amyloid Mechanisms. Circulation Genomic And Precision Medicine 2021, 14: e003011. PMID: 33428857, PMCID: PMC7887108, DOI: 10.1161/circgen.120.003011.Peer-Reviewed Original ResearchAmyloidosisATP Binding Cassette Transporter 1Black or African AmericanDNA MethylationEpigenomicsGene Regulatory NetworksGenome-Wide Association StudyHeart DiseasesHumansKv1.6 Potassium ChannelPhosphoproteinsPolymorphism, Single NucleotidePrealbuminQuantitative Trait LociUbiquitin-Conjugating Enzymes
2020
Epigenetic profiling of Italian patients identified methylation sites associated with hereditary transthyretin amyloidosis
De Lillo A, Pathak GA, De Angelis F, Di Girolamo M, Luigetti M, Sabatelli M, Perfetto F, Frusconi S, Manfellotto D, Fuciarelli M, Polimanti R. Epigenetic profiling of Italian patients identified methylation sites associated with hereditary transthyretin amyloidosis. Clinical Epigenetics 2020, 12: 176. PMID: 33203445, PMCID: PMC7672937, DOI: 10.1186/s13148-020-00967-6.Peer-Reviewed Original ResearchConceptsEpigenome-wide association studiesMethylation sitesEpigenetic differencesSignificant epigenetic differencesProtein interaction networksSignificant methylation changesAmyloidogenic mutationsDisease-causing mutationsProtein interactorsEpigenetic regulationHigh phenotypic variabilityEpigenetic profilingMethylation changesInteraction networksGene regionBiological processesMolecular mechanismsAssociation studiesMolecular pathwaysCoding mutationsPhenotypic variabilityNovel insightsGenesFiber formationMutations
2019
Phenome-wide association study of TTR and RBP4 genes in 361,194 individuals reveals novel insights in the genetics of hereditary and wildtype transthyretin amyloidoses
De Lillo A, De Angelis F, Di Girolamo M, Luigetti M, Frusconi S, Manfellotto D, Fuciarelli M, Polimanti R. Phenome-wide association study of TTR and RBP4 genes in 361,194 individuals reveals novel insights in the genetics of hereditary and wildtype transthyretin amyloidoses. Human Genetics 2019, 138: 1331-1340. PMID: 31659433, DOI: 10.1007/s00439-019-02078-6.Peer-Reviewed Original ResearchConceptsNon-coding variantsPhenome-wide association studyAssociation studiesNovel insightsPhenotypic traitsMolecular basisPossible modifier genesRBP4 geneModifier genesRelevant phenotypesTTR locusGenesTTR functionTransthyretin amyloidosesMultiple testing correctionGene variationRBP4 variantsGeneticsPhenotypeTransthyretin geneTTR geneConvergent associationsHereditary formsClinical phenotypeVariants
2017
Non-coding variants contribute to the clinical heterogeneity of TTR amyloidosis
Iorio A, De Lillo A, De Angelis F, Di Girolamo M, Luigetti M, Sabatelli M, Pradotto L, Mauro A, Mazzeo A, Stancanelli C, Perfetto F, Frusconi S, My F, Manfellotto D, Fuciarelli M, Polimanti R. Non-coding variants contribute to the clinical heterogeneity of TTR amyloidosis. European Journal Of Human Genetics 2017, 25: 1055-1060. PMID: 28635949, PMCID: PMC5558178, DOI: 10.1038/ejhg.2017.95.Peer-Reviewed Original ResearchPopulation diversity of the genetically determined TTR expression in human tissues and its implications in TTR amyloidosis
Iorio A, De Angelis F, Di Girolamo M, Luigetti M, Pradotto LG, Mazzeo A, Frusconi S, My F, Manfellotto D, Fuciarelli M, Polimanti R. Population diversity of the genetically determined TTR expression in human tissues and its implications in TTR amyloidosis. BMC Genomics 2017, 18: 254. PMID: 28335735, PMCID: PMC5364715, DOI: 10.1186/s12864-017-3646-1.Peer-Reviewed Original ResearchConceptsGenotype-phenotype correlationHuman populationComplex genotype-phenotype correlationsFamilial amyloidotic cardiomyopathyTTR expressionTTR amyloidosisGTEx projectGenome ProjectSkeletal muscle tissueAncestral groupsAncestry diversityRelevant tissuesScandinavian populationsAmyloidotic cardiomyopathyPopulation diversityAncestry groupsExpressionHuman tissuesDiversityMuscle tissueHereditary diseasePolygenic scoresTissueClinical variabilityLesser extent
2014
Most recent common ancestor of TTR Val30Met mutation in Italian population and its potential role in genotype-phenotype correlation
Iorio A, De Angelis F, Di Girolamo M, Luigetti M, Pradotto L, Mauro A, Manfellotto D, Fuciarelli M, Polimanti R. Most recent common ancestor of TTR Val30Met mutation in Italian population and its potential role in genotype-phenotype correlation. Amyloid 2014, 22: 73-78. PMID: 25510352, DOI: 10.3109/13506129.2014.994597.Peer-Reviewed Original ResearchConceptsMost recent common ancestorNon-coding regionsRecent common ancestorAge of originPhenotypic heterogeneityGenetic diversityCommon ancestorPhenotypic variationIndependent originsGenetic evidenceMultiple founder mutationsMicrosatellite markersGenetic analysisGenetic relationshipsGenotype-phenotype correlationAmyloidogenic TTR mutationsPhenotypic variabilityMutationsHuman populationWorldwide distributionPotential roleTTR geneAutosomal transmissionFounder mutationDifferent originsIn silico analysis of TTR gene (coding and non-coding regions, and interactive network) and its implications in transthyretin-related amyloidosis
Polimanti R, Di Girolamo M, Manfellotto D, Fuciarelli M. In silico analysis of TTR gene (coding and non-coding regions, and interactive network) and its implications in transthyretin-related amyloidosis. Amyloid 2014, 21: 154-162. PMID: 24779883, DOI: 10.3109/13506129.2014.900487.Peer-Reviewed Original Research
2013
Functional variation of the transthyretin gene among human populations and its correlation with amyloidosis phenotypes
Polimanti R, Di Girolamo M, Manfellotto D, Fuciarelli M. Functional variation of the transthyretin gene among human populations and its correlation with amyloidosis phenotypes. Amyloid 2013, 20: 256-262. PMID: 24111657, DOI: 10.3109/13506129.2013.844689.Peer-Reviewed Original ResearchConceptsHuman populationTTR-related amyloidosisCis-regulatory variantsGenetic variantsNon-coding variantsGenomes Project databaseAdditional genetic variantsDisease-causing mutationsGene functionTranscription factorsKb regionCardiac developmentSilico analysisFunctional variationTTR geneRegulatory functionsGenotype-phenotype correlationGenesFunctional impactDisease phenotypeNon-African individualsSignificant diversityMutationsPhenotypeTransthyretin gene