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Leukemia. 1999 Dec;13(12):1932-42.

Leukemogenesis by CBF oncoproteins.

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Division of Pediatric Oncology, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.


The AML1 and CBFbeta subunits of core binding factor (CBF) are involved in several chromosomal abnormalities frequently associated with acute leukemias. As a result, the CBFbeta-SMMHC, AML1-ETO and AML1-MDS1/EVI1 fusion proteins are expressed in subsets of acute myeloid leukemia, and TEL-AML1 is expressed in B-lineage acute lymphocytic leukemia. These CBF oncoproteins likely contribute to leukemogenesis in part by inhibiting endogenous CBF. As a result they are expected to inhibit differentiation and perhaps apoptosis. In addition, the domains unique to each fusion protein may also contribute to leukemogenesis via unique mechanisms.

[Indexed for MEDLINE]

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