Novel SUZ12 mutations in Weaver-like syndrome

Clinical Genetics
Eri ImagawaNaomichi Matsumoto

Abstract

SUZ12 is a core component of polycomb repressive complex 2 (PRC2) along with EZH2 and EED. Recently, germline mutations in the SUZ12, EZH2 and EED genes have been reported in Weaver syndrome (WS) or Weaver-like syndrome, suggesting a functional link between PRC2 deficits and WS. However, only one case of a SUZ12 mutation presenting with Weaver-like syndrome has been reported. Here, we report a missense and a frameshift mutation in SUZ12 (c.1797A>C; p.Gln599His and c.844_845del; p.Ala282Glnfs*7), both of which are novel, in two individuals. Their clinical features included postnatal overgrowth, increased bifrontal diameter, large ears, round face, horizontal chin crease and skeletal anomalies, but did not fulfill the WS diagnostic criteria. These data provide strong evidence that SUZ12 mutations cause Weaver-like syndrome.

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Citations

Nov 6, 2018·Current Pediatric Reviews·Beatriz CorredorMauro Bozzola
Oct 3, 2019·Development·Orla Deevy, Adrian P Bracken
Nov 15, 2019·American Journal of Medical Genetics. Part C, Seminars in Medical Genetics·Sharri CyrusWilliam T Gibson
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Sep 28, 2021·Frontiers in Cell and Developmental Biology·Yajing MengWei Jiang
Oct 6, 2021·Nature Reviews. Genetics·Sanne M Janssen, Matthew C Lorincz

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