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Novel Genetic Variant in HUWE1
Abstract
Objectives To provide a comprehensive description of neuroradiologic findings in a patient with a probable pathogenic variant of HUWE1, particularly in relation to pontine and cerebellar hypoplasia. Methods We first report prenatal and postnatal neuroradiologic phenotype of a female patient carrying a HUWE1 likely pathogenic variant and discuss its function. Results An ultrasound shows borderline ventriculomegaly, rotated cerebellar vermis, and dysgenetic corpus callosum. An MR study identify a short, thin corpus callosum, falcine sinus persistence, reduced cerebellar vermis size, wide inferior IV ventricle, and reduced pontine bulging. Discussion HUWE1 is a gene encoding an E3 ubitiquine ligase protein involved in nervous system development, function, and disease. The mechanisms by which HUWE1 gene affects nervous system are still largely unclear, but a growing body of literature described disease-causing variants in this gene. This report may help prenatal diagnostic experts in consider also this entity, especially when dealing with pontine and cerebellar hypoplasia findings.
Product Used
Genes
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