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  • Title: [Molecular diagnosis of a kindred with novel mutation of methylmalonyl-CoA mutase gene using non-RI SSCP].
    Author: Toyo-Oka Y, Wada C, Ohnuki Y, Takada F, Ohtani H.
    Journal: Rinsho Byori; 1995 Jun; 43(6):625-9. PubMed ID: 7602808.
    Abstract:
    A deficiency of methylmalonyl-CoA mutase (MCM) results in methylmalonic acidemia, which is inherited as an autosomal recessive disease and is characterized by accumulation of precursors and abnormal derivatives of methylmalonyl-CoA in body fluids. Abnormal splicing with 13 base pairs (bp) insertion at MCM exons 2 and 3 junction in MCM transcripts and a homozygous point mutation, g to a transition, on 5 bp downstream exon 2 were detected in a proband with methylmalonic acidemia. The parents in the kindred were heterozygous carriers of the g to a transition in MCM intron 2. Non-RI single strand conformation polymorphisms (SSCP) was conducted to devise for analysis of this MCM mutation. This non-RI SSCP is considered to be useful diagnostic means with high potential for extended clinical application.
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