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  • Title: Identification of novel mutations in MLC1 responsible for megalencephalic leukoencephalopathy with subcortical cysts.
    Author: Leegwater PA, Boor PK, Yuan BQ, van der Steen J, Visser A, Könst AA, Oudejans CB, Schutgens RB, Pronk JC, van der Knaap MS.
    Journal: Hum Genet; 2002 Mar; 110(3):279-83. PubMed ID: 11935341.
    Abstract:
    Megalencephalic leukoencephalopathy with subcortical cysts (MLC) is an inherited neurologic disorder with macrocephaly before the age of one and slowly progressive deterioration of motor functions. Magnetic resonance imaging shows diffusely abnormal and swollen white matter of the cerebral hemispheres and the presence of subcortical cysts in the anterior-temporal region and often also in the frontoparietal region. Mutations in the MLC1 gene, encoding a putative membrane protein, have been recently identified as a cause for MLC. Here, we describe 14 new mutations in 18 patients. Two identified polymorphisms lead to alterations of amino acid residues. The role, suggested by others, of a mutation in the MLC1gene in catatonic schizophrenia and the possible function of the MLC1 protein as a cation channel are discussed.
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