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Updated: Oct 3, 2025

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Novel truncating variant in KMT2E associated with cerebellar hypoplasia and velopharyngeal dysfunction
Nicolas J Abreu1,2, Amy E Siemon3, Adriane L Baylis4,5,6,7
1Center for Gene Therapy The Abigail Wexner Research Institute of Nationwide Children's Hospital Columbus Ohio USA.
Abstract:
KMT2E-related neurodevelopmental disorder is a recently described intellectual disability syndrome often with speech difficulties. Here, we describe an individual with a heterozygous frameshift variant in KMT2E (NM_182931.2:c.2334_2337delTTAC, p.[Tyr779AlafsTer41]), intellectual disability, cerebellar hypoplasia, and velopharyngeal dysfunction. This case suggests potential mechanisms of speech disturbance in the disorder, requiring further investigation.
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