2022
The microRNA processor DROSHA is a candidate gene for a severe progressive neurological disorder
Barish S, Senturk M, Schoch K, Minogue AL, Lopergolo D, Fallerini C, Harland J, Seemann JH, Stong N, Kranz PG, Kansagra S, Mikati MA, Jasien J, El-Dairi M, Galluzzi P, Acosta M, Adam M, Adams D, Agrawal P, Alejandro M, Alvey J, Amendola L, Andrews A, Ashley E, Azamian M, Bacino C, Bademci G, Baker E, Balasubramanyam A, Baldridge D, Bale J, Bamshad M, Barbouth D, Bayrak-Toydemir P, Beck A, Beggs A, Behrens E, Bejerano G, Bennet J, Berg-Rood B, Bernstein J, Berry G, Bican A, Bivona S, Blue E, Bohnsack J, Bonnenmann C, Bonner D, Botto L, Boyd B, Briere L, Brokamp E, Brown G, Burke E, Burrage L, Butte M, Byers P, Byrd W, Carey J, Carrasquillo O, Chang T, Chanprasert S, Chao H, Clark G, Coakley T, Cobban L, Cogan J, Coggins M, Cole F, Colley H, Cooper C, Cope H, Craigen W, Crouse A, Cunningham M, D'Souza P, Dai H, Dasari S, Davids M, Dayal J, Deardorff M, Dell'Angelica E, Dhar S, Dipple K, Doherty D, Dorrani N, Douine E, Draper D, Duncan L, Earl D, Eckstein D, Emrick L, Eng C, Esteves C, Estwick T, Falk M, Fernandez L, Ferreira C, Fieg E, Findley L, Fisher P, Fogel B, Forghani I, Fresard L, GahlIan-Glass W, Godfrey R, Golden-Grant K, Goldman A, Goldstein D, Grajewski A, Groden C, Gropman A, Gutierrez I, Hahn S, Hamid R, Hanchard N, Hassey K, Hayes N, High F, Hing A, Hisama F, Holm I, Hom J, Horike-Pyne M, Huang A, Huang Y, Isasi R, Jamal F, Jarvik G, Jarvik J, Jayadev S, Johnston J, Karaviti L, Kelley E, Kennedy J, Kiley D, Kohane I, Kohler J, Krakow D, Krasnewich D, Kravets E, Korrick S, Koziura M, Krier J, Lalani S, Lam B, Lam C, Lanpher B, Lanza I, Lau C, LeBlanc K, Lee B, Lee H, Levitt R, Lewis R, Lincoln S, Liu P, Liu X, Longo N, Loo S, Loscalzo J, Maas R, Macnamara E, MacRae C, Maduro V, Majcherska M, Mak B, Malicdan M, Mamounas L, Manolio T, Mao R, Maravilla K, Markello T, Marom R, Marth G, Martin B, Martin M, Martínez-Agosto J, Marwaha S, McCauley J, McConkie-Rosell A, McCormack C, McCray A, McGee E, Mefford H, Merritt J, Might M, Mirzaa G, Morava E, Moretti P, Morimoto M, Mulvihill J, Murdock D, Nakano-Okuno M, Nath A, Nelson S, Newman J, Nicholas S, Nickerson D, Nieves-Rodriguez S, Novacic D, Oglesbee D, Orengo J, Pace L, Pak S, Pallais J, Palmer C, Papp J, Parker N, Phillips III J, Posey J, Potocki L, Pusey B, Quinlan A, Raskind W, Raja A, Rao D, Renteria G, Reuter C, Rives L, Robertson A, Rodan L, Rosenfeld J, Rosenwasser N, Ruzhnikov M, Sacco R, Sampson J, Samson S, Saporta M, Scott C, Schaechter J, Schedl T, Schoch K, Scott D, Sharma P, Shashi V, Shin J, Signer R, Sillari C, Silverman E, Sinsheimer J, Sisco K, Smith E, Smith K, Solem E, Solnica-Krezel L, Spillmann R, Stoler J, StongJ N, Sullivan E, Sullivan K, Sun A, Sutton S, Sweetser D, Sybert V, Tabor H, Tamburro C, K-GTan Q, Tekin M, Telischi F, Thorson W, Tifft C, Toro C, Tran A, Tucker B, Urv T, Vanderver A, Velinder M, Viskochil D, Vogel T, Wahl C, Wallace S, Walley N, Walsh C, Walker M, Wambach J, Wan J, Wang L, Wangler M, Ward P, Wegner D, Wener M, Wenger T, Perry K, Westerfield M, Wheeler M, Whitlock J, Wolfe L, Woods J, Yamamoto S, Yang J, Yu G, Zastrow D, Zhao C, Zuchner S, Ariani F, Renieri A, Mari F, Wangler M, Arur S, Jiang Y, Yamamoto S, Shashi V, Bellen H. The microRNA processor DROSHA is a candidate gene for a severe progressive neurological disorder. Human Molecular Genetics 2022, 31: 2934-2950. PMID: 35405010, PMCID: PMC9433733, DOI: 10.1093/hmg/ddac085.Peer-Reviewed Original ResearchConceptsWhite matter atrophyProgressive neurological disorderDe novo heterozygous variantsNovo heterozygous variantsProfound intellectual disabilityMatter atrophyNervous systemNeurological disordersHeterozygous variantsDysmorphic featuresMissense variantsSevere phenotypeIntellectual disabilityPhenotype characteristicLoss of DroshaLoss of miRNAMiRNA expressionBrain sizeSevere reductionSevere progressive neurological disorderFunctional studiesCauses lossAtrophyEpilepsyCandidate genes
2019
Potassium channel dysfunction in human neuronal models of Angelman syndrome
Sun A, Yuan Q, Fukuda M, Yu W, Yan H, Lim G, Nai M, D'Agostino G, Tran H, Itahana Y, Wang D, Lokman H, Itahana K, Lim S, Tang J, Chang Y, Zhang M, Cook S, Rackham O, Lim C, Tan E, Ng H, Lim K, Jiang Y, Je H. Potassium channel dysfunction in human neuronal models of Angelman syndrome. Science 2019, 366: 1486-1492. PMID: 31857479, PMCID: PMC7735558, DOI: 10.1126/science.aav5386.Peer-Reviewed Original ResearchConceptsAngelman syndromePotassium channel dysfunctionAS mouse modelUbiquitin protein ligase E3A (UBE3A) geneHuman neuronal modelNeuronal hyperexcitabilityNetwork hyperactivityAS patientsSeizure susceptibilitySynaptic dysfunctionModel miceIntrinsic excitabilityNeuronal excitabilityMouse modelBig potassium channelsHuman neuronsChannel dysfunctionEpilepsy susceptibilityBK channelopathyMouse neuronsPotassium channelsIndividual neuronsBrain organoidsNeuronsDysfunction
2017
Lovastatin suppresses hyperexcitability and seizure in Angelman syndrome model
Chung L, Bey AL, Towers AJ, Cao X, Kim IH, Jiang YH. Lovastatin suppresses hyperexcitability and seizure in Angelman syndrome model. Neurobiology Of Disease 2017, 110: 12-19. PMID: 29097328, PMCID: PMC5903876, DOI: 10.1016/j.nbd.2017.10.016.Peer-Reviewed Original ResearchConceptsEpileptiform activityMouse modelAngelman syndrome modelFragile X syndrome mouse modelLower seizure thresholdSyndrome mouse modelNeural mechanismsAngelman syndromeSeizure thresholdSynaptic dysfunctionAudiogenic seizuresExcitatory neurotransmissionLocal circuitsSyndrome modelSeizuresUBE3ADrug screeningFXS modelsHyperexcitabilitySupDysfunctionEpilepsyNeurotransmissionSyndromeDissectionNovel clinical manifestations in patients with KCNA2 mutations
Sachdev M, Gaínza-Lein M, Tchapyjnikov D, Jiang YH, Loddenkemper T, Mikati MA. Novel clinical manifestations in patients with KCNA2 mutations. Seizure 2017, 51: 74-76. PMID: 28806589, DOI: 10.1016/j.seizure.2017.07.018.Peer-Reviewed Original ResearchMeSH KeywordsChildChild, PreschoolEpilepsyFemaleHumansKv1.2 Potassium ChannelMaleMutationYoung AdultConceptsGeneralized tonic-clonic seizuresTonic-clonic seizuresElectrical status epilepticusNovel clinical manifestationYear old maleStatus epilepticusKCNA2 mutationsClonic seizuresClinical manifestationsMyoclonic-astatic seizuresStatus epilepticus episodesYear old femaleYears of ageAstatic seizuresSeizure typesEpileptic manifestationsFocal seizuresPatient 1Patient 2Patient 3Clinical criteriaSevere manifestationsEpileptic encephalopathyBlood samplesPatientsGenetic Variants Identified from Epilepsy of Unknown Etiology in Chinese Children by Targeted Exome Sequencing
Wang Y, Du X, Bin R, Yu S, Xia Z, Zheng G, Zhong J, Zhang Y, Jiang YH, Wang Y. Genetic Variants Identified from Epilepsy of Unknown Etiology in Chinese Children by Targeted Exome Sequencing. Scientific Reports 2017, 7: 40319. PMID: 28074849, PMCID: PMC5225856, DOI: 10.1038/srep40319.Peer-Reviewed Original ResearchConceptsNGS panelCaucasian childrenEtiology of epilepsyLikely pathogenic variantsTargeted exome sequencingGenetic variantsSingle nucleotide variantsUnknown etiologyEpilepsy patientsSpecific treatmentEpilepsyEpilepsy disordersPathogenic variantsPathologic variantsGenetic susceptibilityEpilepsy genesExome sequencingEtiologyGenetic factorsEpilepsy familiesChinese childrenCandidate genesClinicNovel candidate genesChildren