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Page 1
De novo variants in SNAP25 cause an early-onset developmental and epileptic encephalopathy.
Klöckner C, Sticht H, Zacher P, Popp B, Babcock HE, Bakker DP, Barwick K, Bonfert MV, Bönnemann CG, Brilstra EH; Care4Rare Canada Consortium; Chung WK, Clarke AJ, Devine P, Donkervoort S, Fraser JL, Friedman J, Gates A, Ghoumid J, Hobson E, Horvath G, Keller-Ramey J, Keren B, Kurian MA, Lee V, Leppig KA, Lundgren J, McDonald MT, McLaughlin HM, McTague A, Mefford HC, Mignot C, Mikati MA, Nava C, Raymond FL, Sampson JR, Sanchis-Juan A, Shashi V, Shieh JTC, Shinawi M, Slavotinek A, Stödberg T, Stong N, Sullivan JA, Taylor AC, Toler TL, van den Boogaard MJ, van der Crabben SN, van Gassen KLI, van Jaarsveld RH, Van Ziffle J, Wadley AF, Wagner M, Wigby K, Wortmann SB, Zarate YA, Møller RS, Lemke JR, Platzer K. Klöckner C, et al. Among authors: mefford hc. Genet Med. 2021 Apr;23(4):653-660. doi: 10.1038/s41436-020-01020-w. Epub 2020 Dec 10. Genet Med. 2021. PMID: 33299146 Free article.
Recurrent reciprocal deletions and duplications of 16p13.11: the deletion is a risk factor for MR/MCA while the duplication may be a rare benign variant.
Hannes FD, Sharp AJ, Mefford HC, de Ravel T, Ruivenkamp CA, Breuning MH, Fryns JP, Devriendt K, Van Buggenhout G, Vogels A, Stewart H, Hennekam RC, Cooper GM, Regan R, Knight SJ, Eichler EE, Vermeesch JR. Hannes FD, et al. Among authors: mefford hc. J Med Genet. 2009 Apr;46(4):223-32. doi: 10.1136/jmg.2007.055202. Epub 2008 Jun 11. J Med Genet. 2009. PMID: 18550696 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.
Recurrent microdeletions at 15q11.2 and 16p13.11 predispose to idiopathic generalized epilepsies.
de Kovel CG, Trucks H, Helbig I, Mefford HC, Baker C, Leu C, Kluck C, Muhle H, von Spiczak S, Ostertag P, Obermeier T, Kleefuss-Lie AA, Hallmann K, Steffens M, Gaus V, Klein KM, Hamer HM, Rosenow F, Brilstra EH, Trenité DK, Swinkels ME, Weber YG, Unterberger I, Zimprich F, Urak L, Feucht M, Fuchs K, Møller RS, Hjalgrim H, De Jonghe P, Suls A, Rückert IM, Wichmann HE, Franke A, Schreiber S, Nürnberg P, Elger CE, Lerche H, Stephani U, Koeleman BP, Lindhout D, Eichler EE, Sander T. de Kovel CG, et al. Among authors: mefford hc. Brain. 2010 Jan;133(Pt 1):23-32. doi: 10.1093/brain/awp262. Epub 2009 Oct 20. Brain. 2010. PMID: 19843651 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.
Rare copy number variants are an important cause of epileptic encephalopathies.
Mefford HC, Yendle SC, Hsu C, Cook J, Geraghty E, McMahon JM, Eeg-Olofsson O, Sadleir LG, Gill D, Ben-Zeev B, Lerman-Sagie T, Mackay M, Freeman JL, Andermann E, Pelakanos JT, Andrews I, Wallace G, Eichler EE, Berkovic SF, Scheffer IE. Mefford HC, et al. Ann Neurol. 2011 Dec;70(6):974-85. doi: 10.1002/ana.22645. Ann Neurol. 2011. PMID: 22190369 Free PMC article.
272 results