A form of mucolipidosis characterized by deficiency of acid alpha-N-acetyl- neuraminidase (sialidase). See also mucolipidosis, mucopolysaccharidosis.
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SYN: cherry-red spot myoclonus syndrome.

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si·al·i·do·sis (si-al″ĭ-doґsis) an autosomal recessive lysosomal storage disorder caused by mutation in the NEU1 gene (locus: 6p21.3), which encodes neuraminidase. It is often subclassified on the basis of clinical manifestations.

Medical dictionary. 2011.

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