Expanding the phenotype of PURA-related neurodevelopmental disorder: a close differential diagnosis of infantile hypotonia with psychomotor retardation and characteristic facies.

Abstract excerpt

Purine-rich element-binding protein A (PURA) encodes Pur-alpha, a transcriptional activator protein is crucial for normal brain development. Pathogenic variants in PURA are known to cause mental retardation, autosomal dominant 31, characterized by psychomotor delay, absent or poor speech, hypotonia, feeding difficulties, seizures or 'seizure-like' movements, and dysmorphism. PURA-related neurodevelopmental...

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