2021
Biallelic variants in HPDL cause pure and complicated hereditary spastic paraplegia
Wiessner M, Maroofian R, Ni MY, Pedroni A, Müller JS, Stucka R, Beetz C, Efthymiou S, Santorelli FM, Alfares AA, Zhu C, Meszarosova A, Alehabib E, Bakhtiari S, Janecke AR, Otero MG, Chen JYH, Peterson JT, Strom TM, De Jonghe P, Deconinck T, De Ridder W, De Winter J, Pasquariello R, Ricca I, Alfadhel M, van de Warrenburg BP, Portier R, Bergmann C, Firouzabadi S, Jin SC, Bilguvar K, Hamed S, Abdelhameed M, Haridy NA, Maqbool S, Rahman F, Anwar N, Carmichael J, Pagnamenta A, Wood NW, Mau-Them F, Haack T, Consortium P, Di Rocco M, Ceccherini I, Iacomino M, Zara F, Salpietro V, Scala M, Rusmini M, Xu Y, Wang Y, Suzuki Y, Koh K, Nan H, Ishiura H, Tsuji S, Lambert L, Schmitt E, Lacaze E, Küpper H, Dredge D, Skraban C, Goldstein A, Willis M, Grand K, Graham J, Lewis R, Millan F, Duman Ö, Dündar N, Uyanik G, Schöls L, Nürnberg P, Nürnberg G, Bordes A, Seeman P, Kuchar M, Darvish H, Rebelo A, Bouçanova F, Medard J, Chrast R, Auer-Grumbach M, Alkuraya F, Shamseldin H, Al Tala S, Varaghchi J, Najafi M, Deschner S, Gläser D, Hüttel W, Kruer M, Kamsteeg E, Takiyama Y, Züchner S, Baets J, Synofzik M, Schüle R, Horvath R, Houlden H, Bartesaghi L, Lee H, Ampatzis K, Pierson T, Senderek J. Biallelic variants in HPDL cause pure and complicated hereditary spastic paraplegia. Brain 2021, 144: 1422-1434. PMID: 33970200, PMCID: PMC8219359, DOI: 10.1093/brain/awab041.Peer-Reviewed Original ResearchConceptsHereditary spastic paraplegiaPure hereditary spastic paraplegiaGlobal developmental delaySpastic paraplegiaNervous systemNeurological diseasesComplicated hereditary spastic paraplegiaDevelopmental delayAbnormal motor behaviorRespiratory decompensationSpastic tetraplegiaNeurological manifestationsTruncating changesMissense substitutionsBiallelic variantsParaplegiaMotor behaviorDiseaseNeural differentiationUnknown specificityHuman diseasesMitochondrial diseaseDecompensationSpasticityTetraplegia
2016
Loss-of-Function Mutations in FRRS1L Lead to an Epileptic-Dyskinetic Encephalopathy
Madeo M, Stewart M, Sun Y, Sahir N, Wiethoff S, Chandrasekar I, Yarrow A, Rosenfeld JA, Yang Y, Cordeiro D, McCormick EM, Muraresku CC, Jepperson TN, McBeth LJ, Seidahmed MZ, Khashab H, Hamad M, Azzedine H, Clark K, Corrochano S, Wells S, Elting MW, Weiss MM, Burn S, Myers A, Landsverk M, Crotwell PL, Waisfisz Q, Wolf NI, Nolan PM, Padilla-Lopez S, Houlden H, Lifton R, Mane S, Singh BB, Falk MJ, Mercimek-Mahmutoglu S, Bilguvar K, Salih MA, Acevedo-Arozena A, Kruer MC. Loss-of-Function Mutations in FRRS1L Lead to an Epileptic-Dyskinetic Encephalopathy. American Journal Of Human Genetics 2016, 98: 1249-1255. PMID: 27236917, PMCID: PMC4908178, DOI: 10.1016/j.ajhg.2016.04.008.Peer-Reviewed Original ResearchConceptsGlutamatergic neurotransmissionMovement disordersAbnormalities of glutamateEpileptic-dyskinetic encephalopathyHyperkinetic movement disordersChildhood movement disordersBiallelic pathogenic variantsChronic abnormalitiesNeurological diseasesNeurological disordersMammalian brainPathogenic variantsEpilepsyDisordersFunction mutationsNeurotransmissionAbnormalitiesMonogenic neurological diseasesOuter core proteinFRRS1LEncephalopathyEtiologyChoreoathetosisAMPAExcitatory