2023
PRSS8, encoding prostasin, is mutated in patients with autosomal recessive ichthyosis
Shamseldin H, Derar N, Alzaidan H, AlHathal N, Alfalah A, Abdulwahab F, Alzaid T, Alkeraye S, Alobaida S, Alkuraya F. PRSS8, encoding prostasin, is mutated in patients with autosomal recessive ichthyosis. Human Genetics 2023, 142: 477-482. PMID: 36715754, DOI: 10.1007/s00439-023-02527-3.Peer-Reviewed Original ResearchConceptsCanonical splice sitesAssociated with reduced abundanceDeleterious variantsLinkage locusSplice siteNormal transcriptionMissense variantsExome sequencingConsanguineous familyAutosomal recessive ichthyosisRecessive ichthyosisPRSS8VariantsKnockout miceCongenital ichthyosisExomeProstasinSkin histopathologyHuman patientsMissenseScaly skinLociIchthyosisTranscriptionFamily
2021
Prenatal exome sequencing and chromosomal microarray analysis in fetal structural anomalies in a highly consanguineous population reveals a propensity of ciliopathy genes causing multisystem phenotypes
Al-Hamed M, Kurdi W, Khan R, Tulbah M, AlNemer M, AlSahan N, AlMugbel M, Rafiullah R, Assoum M, Monies D, Shah Z, Rahbeeni Z, Derar N, Hakami F, Almutairi G, AlOtaibi A, Ali W, AlShammasi A, AlMubarak W, AlDawoud S, AlAmri S, Saeed B, Bukhari H, Ali M, Akili R, Alquayt L, Hagos S, Elbardisy H, Akilan A, Almuhana N, AlKhalifah A, Abouelhoda M, Ramzan K, Sayer J, Imtiaz F. Prenatal exome sequencing and chromosomal microarray analysis in fetal structural anomalies in a highly consanguineous population reveals a propensity of ciliopathy genes causing multisystem phenotypes. Human Genetics 2021, 141: 101-126. PMID: 34853893, DOI: 10.1007/s00439-021-02406-9.Peer-Reviewed Original ResearchConceptsChromosomal microarray analysisExome sequencingConsanguineous populationsFetal anomaliesMicroarray analysisHeterozygous de novo pathogenic variantLoss of function variantsFetal phenotypeParental DNA samplesFetal abnormalitiesDiagnostic yieldMolecular genetic defectMolecular genetic diagnosticsHistory of congenital anomaliesPrenatal exome sequencingVariable diagnostic yieldCiliopathy genesFetal structural anomaliesMolecular genetic abnormalitiesStructural anomaliesCiliopathy disordersCiliopathy syndromesFunctional variantsNovel variantsGenetic diagnostics
2018
De novo truncating variants in WHSC1 recapitulate the Wolf–Hirschhorn (4p16.3 microdeletion) syndrome phenotype
Derar N, Al-Hassnan Z, Al-Owain M, Monies D, Abouelhoda M, Meyer B, Moghrabi N, Alkuraya F. De novo truncating variants in WHSC1 recapitulate the Wolf–Hirschhorn (4p16.3 microdeletion) syndrome phenotype. Genetics In Medicine 2018, 21: 185-188. PMID: 29892088, DOI: 10.1038/s41436-018-0014-8.Peer-Reviewed Original ResearchConceptsDe novo truncating variantsHaploinsufficiency of multiple genesSingle-gene levelMicrodeletion syndromeDisease genesGenomic disordersExome sequencingMultiple genesSingle-geneWHSC1Syndrome phenotypeCore phenotypePhenotypePhenotypic expressionLociWolf-HirschhornGenesPhenotypic componentsMicrodeletionHaploinsufficiencyVariantsMilder variantsHemizygosityConclusionOur studySequence