Mucopolysaccharidosis IVA: a novel splice acceptor site mutation in intron 4 of the N-acetylgalactosamine-6-sulfate sulfatase gene in an Afghanistan girl with classical Morquio disease.

Abstract excerpt

We report here a novel splice site mutation in intron 4 of the gene for N-acetylgalactosamine-6-sulfate sulfatase (GALNS) in an Afghanistan girl with severe mucopolysaccharidosis IVA (classical Morquio disease). Direct sequencing revealed a homozygous G to A transition in the conserved splice acceptor site in intron 4 (cagG-->caaG: designated IVS 4(-I) G-->A) which eliminates 144 nucleotides of exon 5 in her...

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