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Critical Reviews™ in Eukaryotic Gene Expression
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ISSN Imprimir: 1045-4403
ISSN En Línea: 2162-6502

Critical Reviews™ in Eukaryotic Gene Expression

DOI: 10.1615/CritRevEukarGeneExpr.v5.i3-4.60
pages 337-364

A New Transcription Factor Family Associated with Human Leukemias

Nancy A. Speck
Abramson Family Cancer Research Institute and Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
Terryl Stacy
Department of Biochemistry, Dartmouth Medical School, Hanover, NH 03755


The proteins known as the polyoma enhancer binding protein 2 or core-binding factor (PEBP2/CBF) are heterodimeric transcription factors that contain a DNA-binding subunit (CBFα), and a subunit that does not bind DNA independently (CBFβ). PEBP2 and CBF were identified independently as proteins that regulate transcription of viral and cellular enhancers, and also as proteins whose genes are disrupted by chromosomal abnormalities in human leukemias. This review traces the history of the discovery of the PEBP2 and CBF protein family and describes the biochemical properties of the normal and oncogenic forms of these proteins.

PALABRAS CLAVE: CBF, PEBP2, AML1, CBFB, t(8, 21), t(3, 21), t(12, 21), inv(16).

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