Cloning and characterization of three novel genes, ALS2CR1, ALS2CR2, and ALS2CR3, in the juvenile amyotrophic lateral sclerosis (ALS2) critical region at chromosome 2q33-q34: Candidate genes for ALS2

Shinji Hadano, Yoshiko Yanagisawa, Jennifer Skaug, Keith Fichter, Jamal Nasir, Duane Martindale, Ben F. Koop, Stephen W. Scherer, Donald W. Nicholson, Guy A. Rouleau, Joh E. Ikeda, Michael R. Hayden

    Research output: Contribution to JournalArticlepeer-review

    Abstract

    Amyotrophic lateral sclerosis is a progressive neurodegenerative disease that manifests as selective upper and lower motor neuron degeneration. The autosomal recessive form of juvenile amyotrophic lateral sclerosis (ALS2) has previously been mapped to the 1.7-cM interval flanked by D2S116 and D2S2237 on human chromosome 2q33–q34. We identified three novel full-length transcripts encoded by three distinct genes (HGMW-approved symbols ALS2CR1, ALS2CR2, and ALS2CR3) within the ALS2 critical region. The intron–exon organizations of these genes as well as those of CFLAR, CASP10, and CASP8, which were previously mapped to this region, were defined. These genes were evaluated for mutations in ALS2 patients, and no disease-associated sequence alterations in either exons or intron–exon boundaries were observed. Sequence analysis of overlapping RT-PCR products covering the whole coding sequence for each transcript revealed no aberrant mRNA sequences. These data strongly indicate that ALS2CR1, ALS2CR2, ALS2CR3, CFLAR, CASP10, and CASP8 are not causative genes for ALS2.
    Original languageEnglish
    Pages (from-to)200-213
    Number of pages14
    JournalGenomics
    Volume71
    Issue number2
    DOIs
    Publication statusPublished - 15 Jan 2001

    Keywords

    • Cloning
    • Novel genes

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