Sárová I, Brezinová J, Zemanová Z, Lizcová L, Berková A, Izáková S, Malinová E, Fuchs O, Kostecka A, Provazníková D, Filkuková J, Maaloufová J, Starý J, Michalová K. A partial nontandem duplication of the MLL gene in four patients with acute myeloid leukemia.
ACTA ACUST UNITED AC 2009;
195:150-6. [PMID:
19963115 DOI:
10.1016/j.cancergencyto.2009.05.008]
[Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2009] [Accepted: 05/20/2009] [Indexed: 10/20/2022]
Abstract
Unusual MLL gene rearrangements were found in bone marrow cells of four patients with acute myeloid leukemia. A combination of conventional and molecular cytogenetic methods were used to describe translocations t(9;12;11)(p22;p13;q23), t(11;19)(q23;p13.3), and t(10;11)(p12;23) and inverted insertion ins(10;11)(p12;q23.3q23.1). Partial nontandem duplication of the MLL gene was identified by reverse transcriptase-polymerase chain reaction in all cases. The duplication, which included MLL exons 2 through 8-9, was interrupted by a cryptic insertion of one or two exons from the respective MLL partner gene: MLLT10, MLLT3, or MLLT1.
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