SOX11 variants cause a neurodevelopmental disorder with infrequent ocular malformations and hypogonadotropic hypogonadism and with distinct DNA methylation profile

Reem Al-Jawahiri, Aidin Foroutan, Jennifer Kerkhof, Haley McConkey, Michael Levy, Sadegheh Haghshenas, Kathleen Rooney, Jasmin Turner, Debbie Shears, Muriel Holder, Henrietta Lefroy, Bruce Castle, Linda M. Reis, Elena V. Semina, University of Washington Centre for Mendelian Genomics (UW-CMG), Deborah Nickerson, Michael Bamshad, Suzanne Leal, Katherine Lachlan, Kate ChandlerThomas Wright, Jill Clayton-Smith, Franziska Phan Hug, Nelly Pitteloud, Lucia Bartoloni, Sabine Hoffjan, Soo Mi Park, Ajay Thankamony, Melissa Lees, Emma Wakeling, Swati Naik, Britta Hanker, Katta M. Girisha, Emanuele Agolini, Zampino Giuseppe, Ziegler Alban, Marine Tessarech, Boris Keren, Alexandra Afenjar, Christiane Zweier, Andre Reis, Thomas Smol, Yoshinori Tsurusaki, Okamoto Nobuhiko, Futoshi Sekiguchi, Naomi Tsuchida, Naomichi Matsumoto, Ikuyo Kou, Yoshiro Yonezawa, Shiro Ikegawa, Bert Callewaert, Megan Freeth, Genomics England Research Consortium, Lotte Kleinendorst, Alan Donaldson, Marielle Alders, Anne De Paepe, Bekim Sadikovic*, Alisdair McNeill*

*Corresponding author for this work

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Abstract

Purpose: This study aimed to undertake a multidisciplinary characterization of the phenotype associated with SOX11 variants. Methods: Individuals with protein altering variants in SOX11 were identified through exome and genome sequencing and international data sharing. Deep clinical phenotyping was undertaken by referring clinicians. Blood DNA methylation was assessed using Infinium MethylationEPIC array. The expression pattern of SOX11 in developing human brain was defined using RNAscope. Results: We reported 38 new patients with SOX11 variants. Idiopathic hypogonadotropic hypogonadism was confirmed as a feature of SOX11 syndrome. A distinctive pattern of blood DNA methylation was identified in SOX11 syndrome, separating SOX11 syndrome from other BAFopathies. Conclusion: SOX11 syndrome is a distinct clinical entity with characteristic clinical features and episignature differentiating it from BAFopathies.

Original languageEnglish
Pages (from-to)1261-1273
Number of pages13
JournalGenetics in Medicine
Volume24
Issue number6
Early online date24 Mar 2022
DOIs
Publication statusPublished - 1 Jun 2022
Externally publishedYes

Keywords

  • Exome
  • Genome sequencing
  • Hypogonadism
  • Methylation
  • Neurodevelopmental disorder
  • SOX11

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