Frontiers in Genetics (May 2023)

A syndrome featuring developmental disorder of the nervous system induced by a novel mutation in the TCF20 gene, rarely concurrent immune disorders: a case report

  • Si Huang,
  • Si Huang,
  • Si Huang,
  • Si Huang,
  • Jiaxin Xu,
  • Yiyang Li,
  • Wenhui Mo,
  • Xiuwen Lin,
  • Yajun Wang,
  • Yajun Wang,
  • Yajun Wang,
  • Fujian Liang,
  • Yan Bai,
  • Guochun Huang,
  • Jing Chen,
  • Jing Xin,
  • Guoda Ma,
  • Guoda Ma,
  • Guoda Ma

DOI
https://doi.org/10.3389/fgene.2023.1192668
Journal volume & issue
Vol. 14

Abstract

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Background: The expression of TCF20 is the most widespread in brain tissue. TCF20 depletion or mutation can affect the proliferation and differentiation of embryonic neurons, leading to developmental disorder of the central nervous system and subsequent rare syndrome featuring.Case presentation: Here, we report a 3-year-old boy carrying a novel frameshift mutation in TCF20, c.1839_1872del (p.Met613IlefsTer159), resulting in multisystem disease. In addition to symptoms of neurodevelopmental disorder, a large head circumference, special appearance, overgrowth, abnormal testicular descent. Remarkably, previously infrequently reported symptoms of the immune system such as hyperimmunoglobulinemia E (hyper-IgE), immune thrombocytopenic purpura, cows milk protein allergy, and wheezy bronchitis, were observed.Conclusion: This study broadens the mutation spectrum of the TCF20 and the phenotypic spectrum of TCF20-associated disease.

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