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 implicationsAP2A2 mutation and defective endocytosis in a Malian family with hereditary spastic paraplegia
Diarra S, Ghosh S, Cissé L, Coulibaly T, Yalcouyé A, Harmison G, Diallo S, Diallo S, Coulibaly O, Schindler A, Cissé C, Maiga A, Bamba S, Samassekou O, Khokha M, Mis E, Lakhani S, Donovan F, Jacobson S, Blackstone C, Guinto C, Landouré G, Bonifacino J, Fischbeck K, Grunseich C. AP2A2 mutation and defective endocytosis in a Malian family with hereditary spastic paraplegia. Neurobiology Of Disease 2024, 198: 106537. PMID: 38772452, PMCID: PMC11209852, DOI: 10.1016/j.nbd.2024.106537.Peer-Reviewed Original ResearchHereditary spastic paraplegiaPatient-derived neuronsAdaptor proteinEndocytosis of transferrin receptorsSpastic paraplegiaXenopus tropicalis tadpolesNeuronal cellsHomozygous missense variantWhole-exome sequencingMalian familyComplicated hereditary spastic paraplegiaMissense variantsExome sequencingAccessory proteinsGroup of neurogenetic disordersDefective endocytosisWestern blot analysisProgressive lower extremity spasticityGenetic diagnosisGenetic testingBlot analysisAP2A2Neurological evaluationFrog modelEndocytosis