2021
Expansion of NEUROD2 phenotypes to include developmental delay without seizures
Mis EK, Sega AG, Signer RH, Cartwright T, Ji W, Martinez‐Agosto J, Nelson SF, Palmer CGS, Lee H, Mitzelfelt T, Konstantino M, Network U, Jeffries L, Khokha MK, Marco E, Martin MG, Lakhani SA. Expansion of NEUROD2 phenotypes to include developmental delay without seizures. American Journal Of Medical Genetics Part A 2021, 185: 1076-1080. PMID: 33438828, PMCID: PMC8212414, DOI: 10.1002/ajmg.a.62064.Peer-Reviewed Original ResearchConceptsDevelopmental delayEarly-onset seizuresDe novo heterozygous variantsNovo heterozygous variantsDifferentiation factor 2Xenopus laevis tadpolesHeterozygous variantsSeizuresNeuronal differentiationParental studiesFunctional testingMissense variantsPatient variantsFunctional evidenceFactor 2Vivo assaysLaevis tadpolesVariant pathogenicityFunction effectsAdolescentsVariants
2020
DLG5 variants are associated with multiple congenital anomalies including ciliopathy phenotypes
Marquez J, Mann N, Arana K, Deniz E, Ji W, Konstantino M, Mis EK, Deshpande C, Jeffries L, McGlynn J, Hugo H, Widmeier E, Konrad M, Tasic V, Morotti R, Baptista J, Ellard S, Lakhani SA, Hildebrandt F, Khokha MK. DLG5 variants are associated with multiple congenital anomalies including ciliopathy phenotypes. Journal Of Medical Genetics 2020, 58: 453-464. PMID: 32631816, PMCID: PMC7785698, DOI: 10.1136/jmedgenet-2019-106805.Peer-Reviewed Original ResearchConceptsLoss of ciliaPatient tissuesPatient variantsCongenital heart diseaseMultiple organ systemsMultiple congenital anomaliesDLG5 variantsVariety of pathologiesNephrotic syndromeHeart diseaseCongenital anomaliesRespiratory tractKidney tissueOrgan systemsCystic kidneysPatient phenotypesKidneyDiseaseLimb abnormalitiesUnrelated familiesRescue experimentsCraniofacial malformationsCilia dysfunctionTissue-specific manifestationsTissueNovel truncating mutations in CTNND1 cause a dominant craniofacial and cardiac syndrome
Alharatani R, Ververi A, Beleza-Meireles A, Ji W, Mis E, Patterson QT, Griffin JN, Bhujel N, Chang CA, Dixit A, Konstantino M, Healy C, Hannan S, Neo N, Cash A, Li D, Bhoj E, Zackai EH, Cleaver R, Baralle D, McEntagart M, Newbury-Ecob R, Scott R, Hurst JA, Au PYB, Hosey MT, Khokha M, Marciano DK, Lakhani SA, Liu KJ. Novel truncating mutations in CTNND1 cause a dominant craniofacial and cardiac syndrome. Human Molecular Genetics 2020, 29: 1900-1921. PMID: 32196547, PMCID: PMC7372553, DOI: 10.1093/hmg/ddaa050.Peer-Reviewed Original ResearchConceptsCell-cell junctionsNovel protein-truncating variantsP120-catenin proteinProtein-truncating variantsNext-generation sequencingTranscriptional signalingP120-cateninCRISPR/Epithelial-mesenchymal transitionSubset of phenotypesDevelopmental roleLimb dysmorphologiesAdditional phenotypesHuman diseasesCTNND1Conditional deletionDe novoTruncating mutationsBlepharocheilodontic syndromeEpithelial integrityNovel truncating mutationCraniofacial dysmorphismPhenotypeCleft palateNeurodevelopmental disordersDisrupted ER membrane protein complex-mediated topogenesis drives congenital neural crest defects
Marquez J, Criscione J, Charney RM, Prasad MS, Hwang WY, Mis EK, García-Castro MI, Khokha MK. Disrupted ER membrane protein complex-mediated topogenesis drives congenital neural crest defects. Journal Of Clinical Investigation 2020, 130: 813-826. PMID: 31904590, PMCID: PMC6994125, DOI: 10.1172/jci129308.Peer-Reviewed Original ResearchConceptsEndoplasmic reticulum (ER) membrane protein complexMultipass membrane proteinsNeural crest cellsMembrane proteinsHuman NCC developmentER membrane proteinsMembrane protein complexesCell-cell signalsMyriad of functionsNCC defectsNCC developmentProtein complexesUnbiased proteomicsXenopus modelTransmembrane proteinFunction allelesPatient phenotypesCrest cellsMolecular connectionNeural crestMolecular mechanismsBirth defectsPatient variantsEMC1Β-catenin