Oncogenesis of T-ALL and nonmalignant consequences of overexpressing intracellular NOTCH1.

Abstract excerpt

Mutations resulting in overexpression of intracellular Notch1 (ICN1) are frequently observed in human T cell acute lymphoblastic leukemia (T-ALL). We have determined the consequences of ICN1 overexpression from retroviral vectors introduced into bone marrow cells. Early consequences are the generation of polyclonal nontumorigenic CD4(+)8(+) T cell receptor (TCR)-alphabeta(+) cells that do not qualify as tumor...

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