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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

The major allele of the alanine:glyoxylate aminotransferase gene: seven novel mutations causing primary hyperoxaluria type 1.

We describe 7 novel mutations occurring on the major allele of the human AGT gene in patients with primary hyperoxaluria type 1, an autosomal recessive disease resulting from a deficiency of the liver peroxisomal enzyme alanine:glyoxylate aminotransferase ( AGT; EC 2.6.1.44). These mutations include 3 small deletions, 570delG, 744delC, and 983_988del, two splice junction mutations, IVS7-1G-->C and IVS8+1G-->T, and two nonsense mutations, R111X and W251X. We have also identified recurrences of previously identified reported mutations, 679-(IVS6+2)delAAgt, IVS8-3C-->G and 33insC. Deletion mutation 679-(IVS6+2)delAAgt has now been identified in a second Chinese patient and may be specific to that population. In contrast, 33insC has been found in patients of varying ethnic and racial backgrounds; a single vs multiple origin for this mutation is thus an intriguing question. It also appears to occur at a high frequency on the major allele. Five of the novel mutations were detected in patients who were compound heterozygotes for one of the common mis-targeting mutation, G170R or F152I, while the other two mutations occurred in the same patient.[1]

References

  1. The major allele of the alanine:glyoxylate aminotransferase gene: seven novel mutations causing primary hyperoxaluria type 1. Coulter-Mackie, M.B., Applegarth, D., Toone, J.R., Henderson, H. Mol. Genet. Metab. (2004) [Pubmed]
 
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