The Cellular Origin and Evolution of Breast Cancer
Open Access
- 6 January 2017
- journal article
- research article
- Published by Cold Spring Harbor Laboratory in Cold Spring Harbor Perspectives in Medicine
- Vol. 7 (3), a027128
- https://doi.org/10.1101/cshperspect.a027128
Abstract
In this review, we will discuss how the cell of origin may modulate breast cancer intratumoral heterogeneity (ITH) as well as the role of ITH in the evolution of cancer. The clonal evolution and the cancer stem cell (CSC) models, as well as a model that integrates clonal evolution with a CSC hierarchy, have all been proposed to explain the development of ITH. The extent of ITH correlates with clinical outcome and reflects the cellular complexity and dynamics within a tumor. A unique subtype of breast cancer, the claudin-low subtype that is highly resistant to chemotherapy and most closely resembles mammary epithelial stem cells, will be discussed. Furthermore, we will review how the interactions among various tumor cells, some with distinct mutations, may impact breast cancer treatment. Finally, novel technologies that may help advance our understanding of ITH and lead to improvements in the design of new treatments also will be discussed.This publication has 123 references indexed in Scilit:
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