An overview of the role of genotyping in the diagnosis of the primary hyperoxalurias.
The aim of this paper is to give an overview of our current state of knowledge with respect to genotyping for the primary hyperoxalurias and the role of molecular genetics alongside the more traditional biochemical and enzymatic tests for the diagnosis and prognosis of these disorders. The published literature was reviewed to establish the frequency of different mutations and thus the value of testing for a limited number of these mutations in patients with clinical suspicion of primary hyperoxaluria (PH). This approach was compared with whole gene sequencing of the AGXT and GRHPR genes. A limited genetic screen can provide a first line test for PH1 and PH2 in symptomatic patients and can provide a full diagnosis in approximately a third of cases. Molecular genetic analysis is essential for carrier testing and prenatal diagnosis. The value of molecular genetics in prognosis requires a wider evidence base.[1]References
- An overview of the role of genotyping in the diagnosis of the primary hyperoxalurias. Rumsby, G. Urol. Res. (2005) [Pubmed]
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