Li Xin Zhang, Gabrielle Lemire, Claudia Gonzaga-Jauregui, Sirinart Molidperee, Carolina Galaz-Montoya, David S Liu, Alain Verloes, Amelle G Shillington, Kosuke Izumi, Alyssa L Ritter, Beth Keena, Elaine Zackai, Dong Li, Elizabeth Bhoj, Jennifer M Tarpinian, Emma Bedoukian, Mary K Kukolich, A Micheil Innes, Grace U Ediae, Sarah L Sawyer, Karippoth Mohandas Nair, Para Chottil Soumya, Kinattinkara R Subbaraman, Frank J Probst, Jennifer A Bassetti, Reid V Sutton, Richard A Gibbs, Chester Brown, Philip M Boone, Ingrid A Holm, Marco Tartaglia, Giovanni Battista Ferrero, Marcello Niceta, Maria Lisa Dentici, Francesca Clementina Radio, Boris Keren, Constance F Wells, Christine Coubes, Annie Laquerrière, Jacqueline Aziza, Charlotte Dubucs, Sheela Nampoothiri, David Mowat, Millan S Patel, Ana Bracho, Francisco Cammarata-Scalisi, Alper Gezdirici, Alberto Fernandez-Jaen, Natalie Hauser, Yuri A Zarate, Katherine A Bosanko, Klaus Dieterich, John C Carey, Jessica X Chong, Deborah A Nickerson, Michael J Bamshad, Brendan H Lee, Xiang-Jiao Yang, James R Lupski, Philippe M Campeau
PURPOSE: Genitopatellar syndrome and Say-Barber-Biesecker-Young-Simpson syndrome are caused by variants in the KAT6B gene and are part of a broad clinical spectrum called KAT6B disorders, whose variable expressivity is increasingly being recognized. METHODS: We herein present the phenotypes of 32 previously unreported individuals with a molecularly confirmed diagnosis of a KAT6B disorder, report 24 new pathogenic KAT6B variants, and review phenotypic information available on all published individuals with this condition...
May 19, 2020: Genetics in Medicine: Official Journal of the American College of Medical Genetics