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Hum Mol Genet. 2000 Oct 12;9(17):2471-8.

Mucolipidosis type IV is caused by mutations in a gene encoding a novel transient receptor potential channel.

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1
Developmental and Metabolic Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA.

Abstract

Mucolipidosis type IV (MLIV) is a developmental neurodegenerative disorder characterized by severe neurologic and ophthalmologic abnormalities. The MLIV gene, ML4 (MCOLN1), has recently been localized to chromosome 19p13.2-13.3 by genetic linkage. Here we report the cloning of a novel transient receptor potential cation channel gene and show that this gene is mutated in patients with the disorder. ML4 encodes a protein, which we propose to call mucolipin, which has six predicted transmembrane domains and is a member of the polycystin II subfamily of the Drosophila transient receptor potential gene family. The role of a potential receptor-stimulated cation channel defect in the pathogenesis of mucolipidosis IV is discussed.

PMID:
11030752
[Indexed for MEDLINE]
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