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1.
Pediatr Nephrol ; 30(11): 1893-901, 2015 Nov.
Article in English | MEDLINE | ID: mdl-25384529

ABSTRACT

A recent review identified 60 common inherited renal diseases caused by DNA variants in 132 different genes. These diseases can be diagnosed with DNA sequencing, but each gene probably also has a thousand normal variants. Many more normal variants have been characterised by individual laboratories than are reported in the literature or found in publicly accessible collections. At present, testing laboratories must assess each novel change they identify for pathogenicity, even when this has been done elsewhere previously, and the distinction between normal and disease-associated variants is particularly an issue with the recent surge in exomic sequencing and gene discovery projects. The Human Variome Project recommends the establishment of gene-specific DNA variant databases to facilitate the sharing of DNA variants and decisions about likely disease causation. Databases improve diagnostic accuracy and testing efficiency, and reduce costs. They also help with genotype-phenotype correlations and predictive algorithms. The Human Variome Project advocates databases that use standardised descriptions, are up-to-date, include clinical information and are freely available. Currently, the genes affected in the most common inherited renal diseases correspond to 350 different variant databases, many of which are incomplete or have insufficient clinical details for genotype-phenotype correlations. Assistance is needed from nephrologists to maximise the usefulness of these databases for the diagnosis and management of inherited renal disease.


Subject(s)
Databases, Nucleic Acid/standards , Kidney Diseases/genetics , Genetic Predisposition to Disease/genetics , Humans , Mutation
2.
Per Med ; 7(3): 243, 2010 May.
Article in English | MEDLINE | ID: mdl-29776215
3.
Per Med ; 5(2): 99-100, 2008 Mar.
Article in English | MEDLINE | ID: mdl-29783341
4.
BMC Chem Biol ; 3(1): 1, 2003 May 13.
Article in English | MEDLINE | ID: mdl-12744723

ABSTRACT

BACKGROUND: The conventional solution-phase Chemical Cleavage of Mismatch (CCM) method is time-consuming, as the protocol requires purification of DNA after each reaction step. This paper describes a new version of CCM to overcome this problem by immobilizing DNA on silica solid supports. RESULTS: DNA test samples were loaded on to silica beads and the DNA bound to the solid supports underwent chemical modification reactions with KMnO4 (potassium permanganate) and hydroxylamine in 3M TEAC (tetraethylammonium chloride) solution. The resulting modified DNA was then simultaneously cleaved by piperidine and removed from the solid supports to afford DNA fragments without the requirement of DNA purification between reaction steps. CONCLUSIONS: The new solid-phase version of CCM is a fast, cost-effective and sensitive method for detection of mismatches and mutations.

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