2019
MitoMatters Targeted next generation sequencing identifies novel pathogenic variants and provides molecular diagnoses in a cohort of pediatric and adult patients with unexplained mitochondrial dysfunction
Nogueira C, Silva L, Pereira C, Vieira L, Leão Teles E, Rodrigues E, Campos T, Janeiro P, Gaspar A, Dupont J, Bandeira A, Martins E, Magalhães M, Sequeira S, Vieira JP, Santos H, Vilarinho S, Vilarinho L. MitoMatters Targeted next generation sequencing identifies novel pathogenic variants and provides molecular diagnoses in a cohort of pediatric and adult patients with unexplained mitochondrial dysfunction. Mitochondrion 2019, 47: 309-317. PMID: 30831263, DOI: 10.1016/j.mito.2019.02.006.Peer-Reviewed Original ResearchConceptsMitochondrial diseaseWhole mitochondrial genomeNext-generation sequencing strategyMitochondrial genomePathogenic variantsCustom gene panelSequencing strategyMitochondrial dysfunctionMolecular analysisMutational landscapeNGS strategyNovel pathogenic variantsPhenotypic heterogeneityEffective therapeutic optionHigh diagnostic yieldGene panelMolecular diagnosisVariantsAdult patientsGenomeTherapeutic optionsUnknown significanceDiagnostic yield
2016
ACOX2 deficiency: A disorder of bile acid synthesis with transaminase elevation, liver fibrosis, ataxia, and cognitive impairment
Vilarinho S, Sari S, Mazzacuva F, Bilgüvar K, Esendagli-Yilmaz G, Jain D, Akyol G, Dalgiç B, Günel M, Clayton PT, Lifton RP. ACOX2 deficiency: A disorder of bile acid synthesis with transaminase elevation, liver fibrosis, ataxia, and cognitive impairment. Proceedings Of The National Academy Of Sciences Of The United States Of America 2016, 113: 11289-11293. PMID: 27647924, PMCID: PMC5056113, DOI: 10.1073/pnas.1613228113.Peer-Reviewed Original ResearchConceptsAcyl-CoA oxidase 2Liver fibrosisCognitive impairmentElevated transaminase levelsTreatable inborn errorsBile acid synthesisBile acid intermediatesBile acid biosynthesisTransaminase elevationTransaminase levelsMarked elevationMild ataxiaBile acidsPatient's liverOxidase 2Acyl-CoA oxidaseOld maleBranched chain acyl-CoA oxidaseInborn errorsExome sequencingPremature termination mutationsBranched-chain fatty acidsFibrosisAtaxiaLiverRecurrent recessive mutation in deoxyguanosine kinase causes idiopathic noncirrhotic portal hypertension
Vilarinho S, Sari S, Yilmaz G, Stiegler AL, Boggon TJ, Jain D, Akyol G, Dalgic B, Günel M, Lifton RP. Recurrent recessive mutation in deoxyguanosine kinase causes idiopathic noncirrhotic portal hypertension. Hepatology 2016, 63: 1977-1986. PMID: 26874653, PMCID: PMC4874872, DOI: 10.1002/hep.28499.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAmino Acid SequenceAnimalsCattleChildChild, PreschoolDNA Mutational AnalysisDogsFemaleGenes, RecessiveHomozygoteHumansHypertension, PortalInfantLiver FailureMaleMolecular Sequence DataPedigreePhosphotransferases (Alcohol Group Acceptor)Principal Component AnalysisRatsYoung AdultConceptsIdiopathic noncirrhotic portal hypertensionNoncirrhotic portal hypertensionPortal hypertensionHuman immunodeficiency viral infectionNoncirrhotic liver diseaseStable portal hypertensionSubset of patientsTreatment of patientsNucleoside analog didanosineLiver failureIndeterminate etiologyLiver diseaseHypertensionKinase levelsNew genetic testsViral infectionMechanisms mediatingDGUOK deficiencyPhenotypic spectrumSpecific causesDeoxyguanosine kinaseExome sequencingPatientsConsanguineous familyFunction mutations
2014
Paediatric hepatocellular carcinoma due to somatic CTNNB1 and NFE2L2 mutations in the setting of inherited bi-allelic ABCB11 mutations
Vilarinho S, Erson-Omay EZ, Harmanci AS, Morotti R, Carrion-Grant G, Baranoski J, Knisely AS, Ekong U, Emre S, Yasuno K, Bilguvar K, Günel M. Paediatric hepatocellular carcinoma due to somatic CTNNB1 and NFE2L2 mutations in the setting of inherited bi-allelic ABCB11 mutations. Journal Of Hepatology 2014, 61: 1178-1183. PMID: 25016225, DOI: 10.1016/j.jhep.2014.07.003.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceATP Binding Cassette Transporter, Subfamily B, Member 11ATP-Binding Cassette TransportersBase SequenceBeta CateninCarcinoma, HepatocellularCholestasis, IntrahepaticDNA, NeoplasmFemaleGerm-Line MutationHumansInfantLiver NeoplasmsMolecular Sequence DataMutationMutation, MissenseNF-E2-Related Factor 2Sequence Homology, Amino AcidConceptsBile salt export pumpWhole-exome sequencingHepatocellular carcinomaMonths of ageNFE2L2 mutationsABCB11 mutationsSomatic CTNNB1Background liver parenchymaPediatric hepatocellular carcinomaNew onsetSomatic driver mutationsBSEP expressionLiver parenchymaHCC tissuesHepatocellular carcinogenesisWES analysisExport pumpDriver mutationsCTNNB1 mutationsExome sequencingChild's diagnosisClonality analysisGermline DNAPossible genetic basisEarly childhood
2010
Neonatal cholestasis: an uncommon presentation of hyperargininemia
Martins E, Silva E, Vilarinho S, Saudubray JM, Vilarinho L. Neonatal cholestasis: an uncommon presentation of hyperargininemia. Journal Of Inherited Metabolic Disease 2010, 33: 503-506. PMID: 21229317, DOI: 10.1007/s10545-010-9263-7.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acids, EssentialArginaseArginineBiomarkersChildChild DevelopmentChild, PreschoolCholestasisDiet, Protein-RestrictedDisease ProgressionEnd Stage Liver DiseaseFemaleGenetic Predisposition to DiseaseHumansHyperargininemiaHypertension, PortalInfantInfant, NewbornLiver Cirrhosis, BiliaryLiver TransplantationNeonatal ScreeningPhenotypeTreatment OutcomeConceptsNeonatal cholestasisLiver diseaseSuccessful orthotopic liver transplantEnd-stage liver diseaseFurther evaluationProgressive biliary cirrhosisInitial clinical presentationOrthotopic liver transplantProgressive spastic paraparesisCholestatic liver diseaseYears of ageMonths of ageRare inborn errorLiver transplantPortal hypertensionBiliary cirrhosisNeurological examinationClinical presentationUncommon presentationInjury patternsSpastic paraparesisUnexplained cholestasisNeonatal presentationDifferential diagnosisFirst presentation