Novel HYLS1 variants associated with Joubert syndrome suggest potential genotype-phenotype correlates.

Abstract excerpt

Joubert syndrome (JS) is an inherited neurodevelopmental ciliopathy with wide clinical and genetic heterogeneity, whose paradigmatic sign is a peculiar cerebellar and brainstem malformation known as the 'molar tooth sign'. Recessive pathogenic variants in the HYLS1 gene are associated with hydrolethalus syndrome (HLS), a severe disorder characterised by multiple developmental defects leading to intrauterine or...

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