Journal
LEUKEMIA & LYMPHOMA
Volume 47, Issue 11, Pages 2400-2403Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/10428190600773339
Keywords
Notch; AML; mutation; PCR-SSCP
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Mutations in the NOTCH1 gene were investigated in 12 primary acute myeloid leukemia (AML) cell samples and eight AML cell lines. Mutations in the genomic DNA were screened using a nested PCR-SSCP analysis and confirmed by direct sequencing. A missense mutation, Pro2439Leu (7316C/T), was found in the PEST domain in one primary AML case. This mutation was different from those previously reported for T-cell acute lymphoblastic leukemia, in which more than half the cases had the mutations. This mutation was not detected in his sample in complete remission, which indicated that the mutation was not a single nucleotide polymorphism. The sample with the mutation expressed the intracellular Notch1 fragment by immunoblotting and HES1 mRNA by reverse transcription-polymerase chain reaction. This is the first paper to present an AML case with NOTCH1 mutation. The precise role of the mutation is to be determined.
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