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Variants in GNAI1 cause a syndrome associated with variable features including developmental delay, seizures, and hypotonia.
Muir AM, Gardner JF, van Jaarsveld RH, de Lange IM, van der Smagt JJ, Wilson GN, Dubbs H, Goldberg EM, Zitano L, Bupp C, Martinez J, Srour M, Accogli A, Alhakeem A, Meltzer M, Gropman A, Brewer C, Caswell RC, Montgomery T, McKenna C, McKee S, Powell C, Vasudevan PC, Brady AF, Joss S, Tysoe C, Noh G, Tarnopolsky M, Brady L, Zafar M, Schrier Vergano SA, Murray B, Sawyer L, Hainline BE, Sapp K, DeMarzo D, Huismann DJ, Wentzensen IM, Schnur RE, Monaghan KG, Juusola J, Rhodes L, Dobyns WB, Lecoquierre F, Goldenberg A, Polster T, Axer-Schaefer S, Platzer K, Klöckner C, Hoffman TL, MacArthur DG, O'Leary MC, VanNoy GE, England E, Varghese VC, Mefford HC. Muir AM, et al. Among authors: mefford hc. Genet Med. 2021 May;23(5):881-887. doi: 10.1038/s41436-020-01076-8. Epub 2021 Jan 20. Genet Med. 2021. PMID: 33473207 Free PMC article.
A recurrent 15q13.3 microdeletion syndrome associated with mental retardation and seizures.
Sharp AJ, Mefford HC, Li K, Baker C, Skinner C, Stevenson RE, Schroer RJ, Novara F, De Gregori M, Ciccone R, Broomer A, Casuga I, Wang Y, Xiao C, Barbacioru C, Gimelli G, Bernardina BD, Torniero C, Giorda R, Regan R, Murday V, Mansour S, Fichera M, Castiglia L, Failla P, Ventura M, Jiang Z, Cooper GM, Knight SJ, Romano C, Zuffardi O, Chen C, Schwartz CE, Eichler EE. Sharp AJ, et al. Among authors: mefford hc. Nat Genet. 2008 Mar;40(3):322-8. doi: 10.1038/ng.93. Epub 2008 Feb 17. Nat Genet. 2008. PMID: 18278044 Free PMC article.
Further delineation of the 15q13 microdeletion and duplication syndromes: a clinical spectrum varying from non-pathogenic to a severe outcome.
van Bon BW, Mefford HC, Menten B, Koolen DA, Sharp AJ, Nillesen WM, Innis JW, de Ravel TJ, Mercer CL, Fichera M, Stewart H, Connell LE, Ounap K, Lachlan K, Castle B, Van der Aa N, van Ravenswaaij C, Nobrega MA, Serra-Juhé C, Simonic I, de Leeuw N, Pfundt R, Bongers EM, Baker C, Finnemore P, Huang S, Maloney VK, Crolla JA, van Kalmthout M, Elia M, Vandeweyer G, Fryns JP, Janssens S, Foulds N, Reitano S, Smith K, Parkel S, Loeys B, Woods CG, Oostra A, Speleman F, Pereira AC, Kurg A, Willatt L, Knight SJ, Vermeesch JR, Romano C, Barber JC, Mortier G, Pérez-Jurado LA, Kooy F, Brunner HG, Eichler EE, Kleefstra T, de Vries BB. van Bon BW, et al. Among authors: mefford hc. J Med Genet. 2009 Aug;46(8):511-23. doi: 10.1136/jmg.2008.063412. Epub 2009 Apr 15. J Med Genet. 2009. PMID: 19372089 Free PMC article.
A recurrent 16p12.1 microdeletion supports a two-hit model for severe developmental delay.
Girirajan S, Rosenfeld JA, Cooper GM, Antonacci F, Siswara P, Itsara A, Vives L, Walsh T, McCarthy SE, Baker C, Mefford HC, Kidd JM, Browning SR, Browning BL, Dickel DE, Levy DL, Ballif BC, Platky K, Farber DM, Gowans GC, Wetherbee JJ, Asamoah A, Weaver DD, Mark PR, Dickerson J, Garg BP, Ellingwood SA, Smith R, Banks VC, Smith W, McDonald MT, Hoo JJ, French BN, Hudson C, Johnson JP, Ozmore JR, Moeschler JB, Surti U, Escobar LF, El-Khechen D, Gorski JL, Kussmann J, Salbert B, Lacassie Y, Biser A, McDonald-McGinn DM, Zackai EH, Deardorff MA, Shaikh TH, Haan E, Friend KL, Fichera M, Romano C, Gécz J, DeLisi LE, Sebat J, King MC, Shaffer LG, Eichler EE. Girirajan S, et al. Among authors: mefford hc. Nat Genet. 2010 Mar;42(3):203-9. doi: 10.1038/ng.534. Epub 2010 Feb 14. Nat Genet. 2010. PMID: 20154674 Free PMC article.
Recurrent 200-kb deletions of 16p11.2 that include the SH2B1 gene are associated with developmental delay and obesity.
Bachmann-Gagescu R, Mefford HC, Cowan C, Glew GM, Hing AV, Wallace S, Bader PI, Hamati A, Reitnauer PJ, Smith R, Stockton DW, Muhle H, Helbig I, Eichler EE, Ballif BC, Rosenfeld J, Tsuchiya KD. Bachmann-Gagescu R, et al. Among authors: mefford hc. Genet Med. 2010 Oct;12(10):641-7. doi: 10.1097/GIM.0b013e3181ef4286. Genet Med. 2010. PMID: 20808231 Free article.
Further clinical and molecular delineation of the 15q24 microdeletion syndrome.
Mefford HC, Rosenfeld JA, Shur N, Slavotinek AM, Cox VA, Hennekam RC, Firth HV, Willatt L, Wheeler P, Morrow EM, Cook J, Sullivan R, Oh A, McDonald MT, Zonana J, Keller K, Hannibal MC, Ball S, Kussmann J, Gorski J, Zelewski S, Banks V, Smith W, Smith R, Paull L, Rosenbaum KN, Amor DJ, Silva J, Lamb A, Eichler EE. Mefford HC, et al. J Med Genet. 2012 Feb;49(2):110-8. doi: 10.1136/jmedgenet-2011-100499. Epub 2011 Dec 17. J Med Genet. 2012. PMID: 22180641 Free PMC article.
Genotype-phenotype correlation in CC2D2A-related Joubert syndrome reveals an association with ventriculomegaly and seizures.
Bachmann-Gagescu R, Ishak GE, Dempsey JC, Adkins J, O'Day D, Phelps IG, Gunay-Aygun M, Kline AD, Szczaluba K, Martorell L, Alswaid A, Alrasheed S, Pai S, Izatt L, Ronan A, Parisi MA, Mefford H, Glass I, Doherty D. Bachmann-Gagescu R, et al. J Med Genet. 2012 Feb;49(2):126-37. doi: 10.1136/jmedgenet-2011-100552. J Med Genet. 2012. PMID: 22241855
GRIN2A mutations cause epilepsy-aphasia spectrum disorders.
Carvill GL, Regan BM, Yendle SC, O'Roak BJ, Lozovaya N, Bruneau N, Burnashev N, Khan A, Cook J, Geraghty E, Sadleir LG, Turner SJ, Tsai MH, Webster R, Ouvrier R, Damiano JA, Berkovic SF, Shendure J, Hildebrand MS, Szepetowski P, Scheffer IE, Mefford HC. Carvill GL, et al. Among authors: mefford hc. Nat Genet. 2013 Sep;45(9):1073-6. doi: 10.1038/ng.2727. Epub 2013 Aug 11. Nat Genet. 2013. PMID: 23933818 Free PMC article.
Refining analyses of copy number variation identifies specific genes associated with developmental delay.
Coe BP, Witherspoon K, Rosenfeld JA, van Bon BW, Vulto-van Silfhout AT, Bosco P, Friend KL, Baker C, Buono S, Vissers LE, Schuurs-Hoeijmakers JH, Hoischen A, Pfundt R, Krumm N, Carvill GL, Li D, Amaral D, Brown N, Lockhart PJ, Scheffer IE, Alberti A, Shaw M, Pettinato R, Tervo R, de Leeuw N, Reijnders MR, Torchia BS, Peeters H, O'Roak BJ, Fichera M, Hehir-Kwa JY, Shendure J, Mefford HC, Haan E, Gécz J, de Vries BB, Romano C, Eichler EE. Coe BP, et al. Among authors: mefford hc. Nat Genet. 2014 Oct;46(10):1063-71. doi: 10.1038/ng.3092. Epub 2014 Sep 14. Nat Genet. 2014. PMID: 25217958 Free PMC article.
271 results