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GTR Home > Conditions/Phenotypes > Kaya-Barakat-Masson syndrome

Summary

Excerpted from the GeneReview: YIF1B-Related Neurodevelopmental Disorder
YIF1B-related neurodevelopmental disorder (YIF1B-NDD) is characterized by severe-to-profound developmental delay / intellectual disability with variable motor abnormalities including axial hypotonia, peripheral hypertonia, dystonia, and dyskinesia; absence of speech in most individuals or very limited speech subject to regression; feeding difficulties; seizures; postnatal microcephaly with nonspecific brain MRI abnormalities; and ophthalmologic involvement (strabismus, nystagmus, optic atrophy, and cortical blindness). Some individuals have hypoventilation.

Genes See tests for all associated and related genes

  • Also known as: FinGER8, KABAMAS, YIF1B
    Summary: Yip1 interacting factor homolog B, membrane trafficking protein

Clinical features

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