A deletion mutation in Slc12a6 is associated with neuromuscular disease in gaxp mice

Yan Jiao, Xiudong Jin, Jian Yan, Chi Zhang, Feng Jiao, Xinmin Li, Bruce A. Roe, David B. Mount, Weikuan Gu

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Giant axonopathy (gaxp), an autosomal recessive mouse mutation, exhibits ataxia of the hind legs with a slight side-to-side wobble while walking. Within the genomic region of the gaxp locus, a total of 94 transcripts were identified; the annotation of these genes using OMIM and PubMed yielded three potential candidate genes. By cDNA microarray analysis, 54 genes located on or near the gaxp locus were found to exhibit differential expression between gaxp and littermate controls. Based on microarray data and the known function of genes identified, Slc12a6 was selected as the primary candidate gene and analyzed using the Reveal technology of SpectruMedix. A 17-base deletion was detected from within exon 4 of Slc12a6. Reverse transcriptase polymerase chain reaction validated the difference in Slc12a6 expression in different types of mice at the mRNA level, revealing a marked reduction in gaxp mice. Western blot analysis indicated that the protein product of Slc12a6, the K + -Cl - cotransporter Kcc3, was not detectable in gaxp mice. The causative role of the exon 4 mutation within Slc12a6 in the gaxp phenotype was further confirmed by screening multiple inbred strains and by excluding the mutation of nearby genes within the gaxp locus.

Original languageEnglish (US)
Pages (from-to)407-414
Number of pages8
JournalGenomics
Volume91
Issue number5
DOIs
StatePublished - May 1 2008

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Neuromuscular Diseases
Sequence Deletion
Genes
Mutation
Exons
Genetic Databases
Molecular Sequence Annotation
Ataxia
Microarray Analysis
Oligonucleotide Array Sequence Analysis
Reverse Transcriptase Polymerase Chain Reaction
PubMed
Walking
Leg
Western Blotting
Technology
Phenotype
Messenger RNA
Proteins

All Science Journal Classification (ASJC) codes

  • Genetics

Cite this

A deletion mutation in Slc12a6 is associated with neuromuscular disease in gaxp mice. / Jiao, Yan; Jin, Xiudong; Yan, Jian; Zhang, Chi; Jiao, Feng; Li, Xinmin; Roe, Bruce A.; Mount, David B.; Gu, Weikuan.

In: Genomics, Vol. 91, No. 5, 01.05.2008, p. 407-414.

Research output: Contribution to journalArticle

Jiao, Y, Jin, X, Yan, J, Zhang, C, Jiao, F, Li, X, Roe, BA, Mount, DB & Gu, W 2008, 'A deletion mutation in Slc12a6 is associated with neuromuscular disease in gaxp mice', Genomics, vol. 91, no. 5, pp. 407-414. https://doi.org/10.1016/j.ygeno.2007.12.010
Jiao, Yan ; Jin, Xiudong ; Yan, Jian ; Zhang, Chi ; Jiao, Feng ; Li, Xinmin ; Roe, Bruce A. ; Mount, David B. ; Gu, Weikuan. / A deletion mutation in Slc12a6 is associated with neuromuscular disease in gaxp mice. In: Genomics. 2008 ; Vol. 91, No. 5. pp. 407-414.
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