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Structural organization and expression of the mouse gene encoding alpha-galactosidase A
T Ohshima1, G J Murray, J W Nagle
1Unit on Mouse Genetics and Human Disease Models, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA.
Gene
|December 12, 1995
Summary
Researchers characterized the mouse alpha-galactosidase A (alpha GalA) gene and cDNA to create a mouse model for Fabry disease. This study details the gene
Area of Science:
- Genetics
- Molecular Biology
- Biochemistry
Background:
- Fabry disease is an X-linked metabolic disorder caused by mutations in the alpha-galactosidase A (alpha GalA) gene.
- Developing a mouse model is crucial for understanding Fabry disease pathogenesis and testing therapies.
Purpose of the Study:
- To isolate and characterize the mouse alpha GalA gene and cDNA.
- To lay the groundwork for creating a gene-targeted mouse model of Fabry disease.
Main Methods:
- Gene isolation and characterization of mouse alpha GalA cDNA.
- Nucleotide sequence analysis of genomic clones.
- Northern blot analysis for transcript distribution.
Main Results:
- Mouse alpha GalA cDNA encodes a precursor protein with high homology to human alpha GalA.
- The mouse gene structure is similar to the human gene, with conserved splice junctions.
- Two transcripts (1.4 and 3.6 kb) result from alternative polyadenylation, and promoter elements were identified.
Conclusions:
- The isolated mouse alpha GalA gene and cDNA are suitable for generating a Fabry disease mouse model.
- Tissue-specific expression patterns suggest differential promoter regulation.
- Further studies can utilize this model for Fabry disease research.