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Breast Cancer: Multiple Subtypes within a Tumor?


ABSTRACT: Breast cancer is a heterogeneous disease, and stratification of tumors is paramount to achieve better clinical outcomes. While it is common to stratify and treat breast tumors as a single entity, insights from studies on intratumoral heterogeneity and cancer stem cells raise the possibility that multiple breast cancer subtypes may coexist within a tumor. A role for plasticity in driving dynamic conversions between breast cancer subtypes is proposed, and the clinical implications include a need for combinatorial therapeutic strategies that account for the discrete disease entities and their plasticity. Accordingly, the advent of single-cell technologies will be crucial in enabling the diagnosis and stratification of distinct disease subtypes down to the cellular level.

SUBMITTER: Yeo SK 

PROVIDER: S-EPMC5802368 | biostudies-literature | 2017 Nov

REPOSITORIES: biostudies-literature

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Breast Cancer: Multiple Subtypes within a Tumor?

Yeo Syn Kok SK   Guan Jun-Lin JL  

Trends in cancer 20171024 11


Breast cancer is a heterogeneous disease, and stratification of tumors is paramount to achieve better clinical outcomes. While it is common to stratify and treat breast tumors as a single entity, insights from studies on intratumoral heterogeneity and cancer stem cells raise the possibility that multiple breast cancer subtypes may coexist within a tumor. A role for plasticity in driving dynamic conversions between breast cancer subtypes is proposed, and the clinical implications include a need f  ...[more]

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