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1.
Anal Chem ; 73(3): 620-4, 2001 Feb 01.
Article in English | MEDLINE | ID: mdl-11217771

ABSTRACT

Currently, a major focus of human genetics is the utilization of single-nucleotide polymorphisms for clinical diagnostics, whole-genome linkage disequilibrium screens to identify common disease genes such as Alzheimer disease, determination of the recent evolutionary history of a species, and the process of speciation. We have examined single-nucleotide extension coupled with high-performance liquid chromatography as a method to simultaneously genotype two SNPs occurring in the coding region of the HFE gene that produce clinical effects. This assay allows concurrent genotyping of the C282Y and H63D mutations in 11 min and is 100% concordant with current testing methods for both of these mutations.


Subject(s)
Chromatography, High Pressure Liquid/methods , HLA Antigens/genetics , Hemochromatosis/genetics , Histocompatibility Antigens Class I/genetics , Membrane Proteins , Mutation , Base Sequence , DNA Primers , Genotype , Hemochromatosis Protein , Humans , Polymerase Chain Reaction
2.
Genet Test ; 4(2): 125-9, 2000.
Article in English | MEDLINE | ID: mdl-10953951

ABSTRACT

We describe a novel molecular screening technique for hereditary hemochromatosis through which HFE genotypes at codon positions 282 and 63 are simultaneously detected. The technique combines multiplex PCR and denaturing high-performance liquid chromatography (DHPLC) and allows automated high-throughput analysis. We used this method to genotype 43 previously characterized anonymous DNA specimens in blinded fashion and found multiplex PCR/DHPLC 100% accurate when compared with PCR/restriction enzyme digestion, yet far more efficient.


Subject(s)
HLA Antigens/genetics , Hemochromatosis/genetics , Histocompatibility Antigens Class I/genetics , Membrane Proteins , Mutation , Base Sequence , Chromatography, High Pressure Liquid/methods , Codon , DNA Primers , Genetic Carrier Screening , Hemochromatosis/diagnosis , Hemochromatosis Protein , Humans , Polymerase Chain Reaction/methods
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