2024
Case report: Novel variants cause developmental and epileptic encephalopathy in three unrelated families from Mali
Bamba S, Sidibé L, Diallo S, Cissé L, Dembélé K, Yalcouyé A, Ji W, Dembélé M, Diarra S, Maiga A, Traoré O, Diallo S, Mefoung S, Touré A, Koné A, Jeffries L, Guinto C, Mis E, Fischbeck K, Khokha M, Lakhani S, Landouré G. Case report: Novel variants cause developmental and epileptic encephalopathy in three unrelated families from Mali. Frontiers In Genetics 2024, 15: 1412442. DOI: 10.3389/fgene.2024.1412442.Peer-Reviewed Original ResearchWhole-exome sequencingGenetic basisIdentified rare variantsIn silico prediction analysisCompound heterozygous variantsPutative variantsIn silico toolsACMG criteriaExome sequencingProtein structureNovel variantsEpileptic encephalopathyAssess pathogenicityHeterozygous variantsRare variantsHomozygous variantSub-Saharan AfricaDisease mechanismsAssociated with earlier onsetRefractory to antiepileptic medicationsResistant to treatmentGroup of neurological disordersMalian familyEarly-onset seizuresPotential clinical implicationsGenetic profile of progressive myoclonic epilepsy in Mali reveals novel findings
Cissé L, Bamba S, Diallo S, Ji W, Dembélé M, Yalcouyé A, Coulibaly T, Traoré I, Jeffries L, Diarra S, Maiga A, Diallo S, Nimaga K, Touré A, Traoré O, Kotioumbé M, Mis E, Cissé C, Guinto C, Fischbeck K, Khokha M, Lakhani S, Landouré G. Genetic profile of progressive myoclonic epilepsy in Mali reveals novel findings. Frontiers In Neurology 2024, 15: 1455467. PMID: 39385815, PMCID: PMC11461190, DOI: 10.3389/fneur.2024.1455467.Peer-Reviewed Original ResearchWhole-exome sequencingACMG criteriaProgressive myoclonic epilepsyProtein 3D structuresHomozygous missense variantRecessive inheritance patternCADD scoresAutosomal recessive inheritance patternSequence variantsMissense variantsGenomic researchExome sequencingGenetic analysisGenetic studiesPathogenic variantsPedigree analysisGenetic epidemiologyGenetic researchGenetic profileHeterogeneous neurological disordersInheritance patternSporadic formsACMGGroup of neurological disordersMyoclonic epilepsyCC2D1A causes ciliopathy, intellectual disability, heterotaxy, renal dysplasia, and abnormal CSF flow
Kim A, Sakin I, Viviano S, Tuncel G, Aguilera S, Goles G, Jeffries L, Ji W, Lakhani S, Kose C, Silan F, Oner S, Kaplan O, Group M, Ergoren M, Mishra-Gorur K, Gunel M, Sag S, Temel S, Deniz E. CC2D1A causes ciliopathy, intellectual disability, heterotaxy, renal dysplasia, and abnormal CSF flow. Life Science Alliance 2024, 7: e202402708. PMID: 39168639, PMCID: PMC11339347, DOI: 10.26508/lsa.202402708.Peer-Reviewed Original ResearchConceptsDevelopmental disabilitiesIntellectual disabilityPatient-derived fibroblastsMidbrain regionsBrain developmentDefective ciliogenesisCSF circulationDisabilityCSF flowAbnormal CSF flowNervous system developmentMutant tadpolesCiliated tissuesMultiple model systemsVariant functionPronephric ductUnrelated familiesCC2D1AExpression patternsCiliogenesisRenal dysplasiaLeft-right organizerFunctional analysisDisease mechanismsBrainExome sequencing reveals genetic heterogeneity in consanguineous Pakistani families with neurodevelopmental and neuromuscular disorders
Bibi A, Ji W, Jeffries L, Zerillo C, Konstantino M, Mis E, Khursheed F, Khokha M, Lakhani S, Malik S. Exome sequencing reveals genetic heterogeneity in consanguineous Pakistani families with neurodevelopmental and neuromuscular disorders. American Journal Of Medical Genetics Part C Seminars In Medical Genetics 2024, e32103. PMID: 39152716, DOI: 10.1002/ajmg.c.32103.Peer-Reviewed Original ResearchExome sequencingConsanguineous Pakistani familyDisease-causing genesFamily segregation analysisAssociated with phenotypesAffected individualsAccurate molecular diagnosisACMG criteriaCandidate variantsGenomic studiesPakistani familyGenomic researchGenetic heterogeneityNovel variantsSegregation analysisConsanguineous familyGenetic variantsNeurodevelopmental disordersHomozygous variantNeuromuscular disordersMiddle-income countriesMolecular diagnosisExomeES dataClinical phenotypeUnraveling the genetic tapestry of pediatric sarcomeric cardiomyopathies and masquerading phenocopies in Jordan
Azab B, Aburizeg D, Shaaban S, Ji W, Mustafa L, Isbeih N, Al-Akily A, Mohammad H, Jeffries L, Khokha M, Lakhani S, Al-Ammouri I. Unraveling the genetic tapestry of pediatric sarcomeric cardiomyopathies and masquerading phenocopies in Jordan. Scientific Reports 2024, 14: 15141. PMID: 38956129, PMCID: PMC11219879, DOI: 10.1038/s41598-024-64921-9.Peer-Reviewed Original ResearchConceptsExome sequencingSarcomere-related genesMitochondrial-related diseasesAt-risk family membersGenetic architectureGenetic landscapePathogenic variantsGene panelPediatric cardiomyopathyMolecular underpinningsGenetic testingPhenocopiesSarcomeric cardiomyopathiesGenesSequenceStorage disorderFamily membersAt-riskVariantsEarly interventionExomeFamilyGlycogen storage disorderHypertrophic cardiomyopathyCardiomyopathyClinical and genetic investigation of 14 families with various forms of short stature syndromes
Khan F, Khan H, Ullah K, Nawaz S, Abdullah, Khan M, Ahmed S, Ilyas M, Ali A, Ullah I, Sohail A, Hussain S, Ahmad F, Faisal, Sufyan R, Hayat A, Hanif T, Bibi F, Hayat M, Ullah R, Khan I, Ali R, Hasni M, Ali H, Bilal M, Peralta S, Buchert R, Zehri Z, Hassan G, Liaqat K, Zahid M, Shah K, Mikitie O, Haack T, Ji W, Lakhani S, Ansar M, Ahmad W. Clinical and genetic investigation of 14 families with various forms of short stature syndromes. Clinical Genetics 2024, 106: 347-353. PMID: 38774940, DOI: 10.1111/cge.14550.Peer-Reviewed Original ResearchSyndromic forms of short statureFamilies of Pakistani originDisease-causing gene variantsSyndromic formsWhole-exome sequencingSequence variantsHomozygosity mappingIdentified genesExome sequencingAutosomal dominant mannerSanger sequencingXRCC4 geneMutation spectrumGenetic etiologyGenetic investigationsLethal defectShort statureGene variantsGenesDominant mannerReduced growthShort stature syndromeHeterogeneous group of disordersSequenceGroup of disorders
2023
SMC5 Plays Independent Roles in Congenital Heart Disease and Neurodevelopmental Disability
O'Brien M, Pryzhkova M, Lake E, Mandino F, Shen X, Karnik R, Atkins A, Xu M, Ji W, Konstantino M, Brueckner M, Ment L, Khokha M, Jordan P. SMC5 Plays Independent Roles in Congenital Heart Disease and Neurodevelopmental Disability. International Journal Of Molecular Sciences 2023, 25: 430. PMID: 38203602, PMCID: PMC10779392, DOI: 10.3390/ijms25010430.Peer-Reviewed Original ResearchSequence variants in DLX5, HOXD13 and 445 kb‐microduplication surrounding BTRC cause split‐hand/foot malformation in three different families
Abdullah, Hussain S, Ji W, Khan H, Mis E, Mushtaq R, Chodhary M, Raza M, Jan A, Ullah I, Khokha M, Lakhani S, Ahmad W. Sequence variants in DLX5, HOXD13 and 445 kb‐microduplication surrounding BTRC cause split‐hand/foot malformation in three different families. Clinical Genetics 2023, 105: 109-111. PMID: 37776184, DOI: 10.1111/cge.14430.Peer-Reviewed Original ResearchVariable CD18 expression in a 22‐year‐old female with leukocyte adhesion deficiency I: Clinical case and literature review
Bondarenko A, Boyarchuk O, Sakovich I, Polyakova E, Migas A, Kupchinskaya A, Opalinska A, Reich A, Volianska L, Hilfanova A, Lapiy F, Chernyshova L, Volokha A, Zabara D, Belevtsev M, Shman T, Kukharenko L, Goltsev M, Dubouskaya T, Hancharou A, Ji W, Lakhani S, Lucas C, Aleinikova O, Sharapova S. Variable CD18 expression in a 22‐year‐old female with leukocyte adhesion deficiency I: Clinical case and literature review. Clinical Case Reports 2023, 11: e7791. PMID: 37601427, PMCID: PMC10432584, DOI: 10.1002/ccr3.7791.Peer-Reviewed Original ResearchCD18 expressionLAD-1Effector cytotoxic T cellsPyoderma gangrenosum-like lesionsHematopoietic stem cell transplantationGangrenosum-like lesionsRespiratory tract infectionsStem cell transplantationInflammatory skin diseaseCytotoxic T cellsImmune system imbalanceType 1 deficiencyYears of ageLeukocyte adhesion deficiency (LAD) IWhole-exome sequencingAutosomal recessive disorderAutoinflammatory complicationsInfectious manifestationsTract infectionsCell transplantationRare conditionT cellsOral cavitySkin diseasesClinical casesIntegrated exome sequencing and microarray analyses detected genetic defects and underlying pathways of hepatocellular carcinoma
Chong M, Knight J, Peng G, Ji W, Chai H, Lu Y, Wu S, Li P, Hu Q. Integrated exome sequencing and microarray analyses detected genetic defects and underlying pathways of hepatocellular carcinoma. Cancer Genetics 2023, 276: 30-35. PMID: 37418972, DOI: 10.1016/j.cancergen.2023.06.002.Peer-Reviewed Original ResearchConceptsTumor mutation burdenWhole-exome sequencingGrade IIIHepatocellular carcinomaCNA burdenCase seriesBarcelona Clinic Liver Cancer stageExome sequencingBCLC stage CLiver Cancer stageEdmondson-Steiner gradingLarge case seriesGenetic defectsHigher CNA burdenAdjacent nontumor tissuesΒ-catenin pathwayBetter prognosisClinicopathologic findingsPoor prognosisClinicopathologic classificationCancer stageSurvival statusMutation burdenStage CPrognostic predictionCFAP45, a heterotaxy and congenital heart disease gene, affects cilia stability
Deniz E, Pasha M, Guerra M, Viviano S, Ji W, Konstantino M, Jeffries L, Lakhani S, Medne L, Skraban C, Krantz I, Khokha M. CFAP45, a heterotaxy and congenital heart disease gene, affects cilia stability. Developmental Biology 2023, 499: 75-88. PMID: 37172641, PMCID: PMC10373286, DOI: 10.1016/j.ydbio.2023.04.006.Peer-Reviewed Original ResearchConceptsLeft-right organizerCilia stabilityLeft-right patterningCongenital heart disease genesApical surfaceCell apical surfaceLive confocal imagingLeftward fluid flowHeart disease genesRecessive missense mutationLethal birth defectMotile monociliaProtein familyEarly embryogenesisMulticiliated cellsCiliary axonemeDisease genesFrog embryosGenetic underpinningsWhole-exome sequencingMissense mutationsConfocal imagingEmbryosCiliaCongenital heart disease
2022
Fetal akinesia deformation sequence syndrome associated with recessive TTN variants
Alkhunaizi E, Martin N, Jelin A, Rosner M, Bailey D, Steiner L, Lakhani S, Ji W, Katzman P, Forster K, Jarinova O, Shannon P, Chitayat D, Consortium C. Fetal akinesia deformation sequence syndrome associated with recessive TTN variants. American Journal Of Medical Genetics Part A 2022, 191: 760-769. PMID: 36495114, PMCID: PMC9928776, DOI: 10.1002/ajmg.a.63071.Peer-Reviewed Original ResearchConceptsArthrogryposis multiplex congenitaPathogenic variantsCompound heterozygous pathogenic variantsNext-generation gene sequencingHeterozygous pathogenic variantsSkeletal muscle abnormalitiesVariety of disordersFetal exposureClinical manifestationsPeripheral nervesSpinal cordLive birthsMultiplex congenitaHigh incidenceMuscle abnormalitiesRecurrence riskNeuromuscular junctionPhenotypic presentationSingle gene disordersTTN variantsConnective tissueRecessive variantsRecessive inheritanceObligate carriersMolecular diagnosisA retrospective cohort analysis of the Yale pediatric genomics discovery program
Al‐Ali S, Jeffries L, Faustino EVS, Ji W, Mis E, Konstantino M, Zerillo C, Jiang Y, Spencer‐Manzon M, Bale A, Zhang H, McGlynn J, McGrath JM, Tremblay T, Brodsky NN, Lucas CL, Pierce R, Deniz E, Khokha MK, Lakhani SA. A retrospective cohort analysis of the Yale pediatric genomics discovery program. American Journal Of Medical Genetics Part A 2022, 188: 2869-2878. PMID: 35899841, PMCID: PMC9474639, DOI: 10.1002/ajmg.a.62918.Peer-Reviewed Original ResearchConceptsRetrospective cohort analysisNext-generation sequencingCohort analysisSystem abnormalitiesImmune system abnormalitiesCardiovascular system abnormalitiesFunctional molecular analysesNovel genesPrecise molecular diagnosisClinical characteristicsFurther genetic evaluationDiscovery programsComplex patientsMultisystem diseaseDisease genesPediatric providersRare genetic diseaseNew diagnosisPhenotype relationshipsPatientsGenetic diseasesMolecular analysisDiagnosisParticipant demographicsNGS resultsTBX5 variant with the novel phenotype of mixed-type total anomalous pulmonary venous return in Holt-Oram Syndrome and variable intrafamilial heart defects
Azab B, Aburizeg D, Ji W, Jeffries L, Isbeih NJ, Al-Akily AS, Mohammad H, Abu Osba Y, Shahin MA, Dardas Z, Hatmal MM, Al-Ammouri I, Lakhani S. TBX5 variant with the novel phenotype of mixed-type total anomalous pulmonary venous return in Holt-Oram Syndrome and variable intrafamilial heart defects. Molecular Medicine Reports 2022, 25: 210. PMID: 35514310, PMCID: PMC9133962, DOI: 10.3892/mmr.2022.12726.Peer-Reviewed Original ResearchConceptsHolt-Oram syndromeMolecular etiologyT-box domainWild-type proteinT-box transcription factorGenetic investigationsTrio-based whole-exome sequencingNonsense variantTranscription factorsIntrafamilial levelTBX5 proteinNovel phenotypesProtein's abilityFirst genetic investigationMutant dimersNon-syndromic presentationsProtein modelingWhole-exome sequencingComplete phenotypingSubsequent genetic investigationsTbx5Novel associationsPowerful approachWide phenotypic spectrumNon-covalent bonds
2020
Ring chromosome formation by intra‐strand repairing of subtelomeric double stand breaks and clinico‐cytogenomic correlations for ring chromosome 9
Chai H, Ji W, Wen J, DiAdamo A, Grommisch B, Hu Q, Szekely AM, Li P. Ring chromosome formation by intra‐strand repairing of subtelomeric double stand breaks and clinico‐cytogenomic correlations for ring chromosome 9. American Journal Of Medical Genetics Part A 2020, 182: 3023-3028. PMID: 32978894, DOI: 10.1002/ajmg.a.61890.Peer-Reviewed Original ResearchThe latest FADS: Functional analysis of GLDN patient variants and classification of GLDN‐associated AMC as a type of viable fetal akinesia deformation sequence
Mis EK, Al‐Ali S, Ji W, Spencer‐Manzon M, Konstantino M, Khokha MK, Jeffries L, Lakhani SA. The latest FADS: Functional analysis of GLDN patient variants and classification of GLDN‐associated AMC as a type of viable fetal akinesia deformation sequence. American Journal Of Medical Genetics Part A 2020, 182: 2291-2296. PMID: 32812332, DOI: 10.1002/ajmg.a.61783.Peer-Reviewed Original ResearchConceptsFetal akinesia deformation sequenceArthrogryposis multiplex congenitaCohort of patientsScope of illnessPulmonary hypoplasiaAdditional patientsClinical featuresNeonatal supportNervous system developmentMultiplex congenitaCongenital contracturesPatientsHeterogenous conditionRecessive variantsPatient variantsFunctional evidenceCohortNovel variantsContractureFunctional dataSyndromeHypoplasiaIllnessVariantsFindingsDYNC1H1‐related disorders: A description of four new unrelated patients and a comprehensive review of previously reported variants
Amabile S, Jeffries L, McGrath JM, Ji W, Spencer‐Manzon M, Zhang H, Lakhani SA. DYNC1H1‐related disorders: A description of four new unrelated patients and a comprehensive review of previously reported variants. American Journal Of Medical Genetics Part A 2020, 182: 2049-2057. PMID: 32656949, DOI: 10.1002/ajmg.a.61729.Peer-Reviewed Original ResearchConceptsSpinal muscular atrophyIntellectual disabilityUnrelated patientsSingle-center experienceNew unrelated patientsCenter experienceDYNC1H1 geneCNS disordersCombined disordersCortical developmentDisease-causing variantsVariable syndromeNeuromuscular diseaseNeuromuscular phenotypePatientsMuscular atrophyHeterozygous variantsDYNC1H1Medical literatureCharcot-MarieDisordersType 20Novel variantsPhenotypeReportNovel compound heterozygous variants in NHLRC2 in a patient with FINCA syndrome
Brodsky NN, Boyarchuk O, Kovalchuk T, Hariyan T, Rice A, Ji W, Khokha M, Lakhani S, Lucas CL. Novel compound heterozygous variants in NHLRC2 in a patient with FINCA syndrome. Journal Of Human Genetics 2020, 65: 911-915. PMID: 32435055, DOI: 10.1038/s10038-020-0776-0.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAngiomatosisBrain NeoplasmsCardiomegalyChild, PreschoolExome SequencingFibrosisHeterozygoteHumansIntracellular Signaling Peptides and ProteinsLung DiseasesMaleModels, MolecularNeurodegenerative DiseasesPedigreePoint MutationProtein ConformationProtein DomainsSequence AlignmentSequence Homology, Amino AcidSyndromeConceptsWhole-exome sequencingNovel compound heterozygous variantsCompound heterozygous variantsUkrainian patientsClinical featuresNovel variantsNew patientsHealthy humansCompound heterozygous combinationPatientsHeterozygous variantsSyndromeFinnish childrenNHLRC2Sanger sequencingFibrosisDiseaseGnomAD databaseN-terminal thioredoxinCentral regulatorVariantsNeurodegenerationDe novo damaging variants associated with congenital heart diseases contribute to the connectome
Ji W, Ferdman D, Copel J, Scheinost D, Shabanova V, Brueckner M, Khokha MK, Ment LR. De novo damaging variants associated with congenital heart diseases contribute to the connectome. Scientific Reports 2020, 10: 7046. PMID: 32341405, PMCID: PMC7184603, DOI: 10.1038/s41598-020-63928-2.Peer-Reviewed Original ResearchMeSH KeywordsConnectomeDNA HelicasesDNA-Binding ProteinsExomeFemaleHeart Defects, CongenitalHistone-Lysine N-MethyltransferaseHomeodomain ProteinsHumansMaleMi-2 Nucleosome Remodeling and Deacetylase ComplexMutationMutation, MissenseMyeloid-Lymphoid Leukemia ProteinNerve Tissue ProteinsProtein Tyrosine Phosphatase, Non-Receptor Type 11Receptor, Notch1ConceptsDe novo variantsNDD genesCardiac patterningDe novo damaging variantsDamaging de novo variantsCHD genesDamaging variantsGenesProtein truncatingGenetic originNovo variantsGene mutationsPatterningRecent studiesDendritic developmentVariantsMutationsNeurogenesisSynaptogenesisBonferroni correctionA novel variant in MAP3K7 associated with an expanded cardiospondylocarpofacial syndrome phenotype
AbuBakr F, Jeffries L, Ji W, McGrath JM, Lakhani SA. A novel variant in MAP3K7 associated with an expanded cardiospondylocarpofacial syndrome phenotype. Molecular Case Studies 2020, 6: mcs.a005207. PMID: 32299812, PMCID: PMC7304360, DOI: 10.1101/mcs.a005207.Peer-Reviewed Original ResearchConceptsCardiospondylocarpofacial syndromePathogenic variantsValvular heart diseaseDistinctive cutaneous findingsLikely pathogenic variantsCutaneous findingsFlexion contractureHeart diseaseSecond toePatientsShort statureGrowth factorProtein kinase kinase kinase 7Facial dysmorphismSyndrome phenotypeMissense variantsSyndromeKinase 7Kinase 1Novel variantsSixth variantSplice variantsPhenotypeFrame deletionInflammation