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Clin Biochem. 2011 Jul;44(10-11):779-83. doi: 10.1016/j.clinbiochem.2011.04.014. Epub 2011 Apr 22.

Rapid and reliable detection of IDH1 R132 mutations in acute myeloid leukemia using high-resolution melting curve analysis.

Author information

1
Department of Hematology, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu 212002, PR China.

Abstract

OBJECTIVE:

The mutations of isocitrate dehydrogenase 1 (IDH1) gene have been identified in a proportion of hematologic malignancies including acute myeloid leukemia (AML). The aim of the present study was to explore the reliability of the high-resolution melting analysis (HRMA) for the identification of IDH1 R132 mutations in AML.

DESIGNS AND METHODS:

We evaluated the sensitivity of HRMA in the detection of IDH1 R132 mutation and screened IDH1 mutations in 110 AML patients using HRMA. The results of HRMA were validated by direct DNA sequencing.

RESULTS:

The reproducible sensitivity of HRMA was 5% for the detection of IDH1 R132 mutation, higher than 10% of direct DNA sequencing. Heterozygous IDH1 mutations were identified in 4 (3.6%) AML cases, which were R132H in 3 cases and R132S in 1 case confirmed by DNA sequencing.

CONCLUSION:

The HRMA is a rapid, accurate, reliable, high-throughput method to screen IDH1 gene mutations.

[Indexed for MEDLINE]

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