Genetic and Epigenetic Alterations that Drive Leukemic Stem Cell Self-Renewal

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Authors: Vincent van den Boom, Sarah J. Horton, and Jan Jacob Schuringa
Page Range: 155-179
Published in: Journal of Stem Cells, Volume 7 Issue 3
ISSN: 1556-8539

Table of Contents

Abstract

Acute myeloid leukemia has emerged as a paradigm for the concept of the cancer stem cell. This hypothesis presumes that the disease is maintained by a rare population of leukemia-initiating stem cells which have acquired genetic or epigenetic changes. It is most likely that a single (epi)genetic event will not be sufficient to cause leukemia, but that a number of sequential events are required. Similar to normal hematopoietic stem cells, both intrinsic as well as extrinsic factors that arise from the bone marrow niche, provide essential cues that regulate cell fate decisions such as leukemic stem cell self-renewal and differentiation. In this chapter, we will review the current understanding of genetic and epigenetic abnormalities that underlie the process of leukemic transformation, and will discuss which events potentially co-operate to induce leukemia.

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