Breast Cancer Stem Cells Are Regulated by Mesenchymal Stem Cells through Cytokine Networks

Suling Liu, Christophe Ginestier, Sing J. Ou, Shawn G. Clouthier, Shivani H. Patel, Florence Monville, Hasan Korkaya, Amber Heath, Julie Dutcher, Celina G. Kleer, Younghun Jung, Gabriela Dontu, Russell Taichman, Max S. Wicha

    Research output: Contribution to journalArticlepeer-review

    527 Citations (Scopus)

    Abstract

    We have used in vitro and mouse xenograft models to examine the interaction between breast cancer stem cells (CSC) and bone marrow-derived mesenchymal stem cells (MSC). We show that both of these cell populations are organized in a cellular hierarchy in which primitive aldehyde dehydrogenase expressing mesenchymal cells regulate breast CSCs through cytokine loops involving IL6 and CXCL7. In NOD/SCID mice, labeled MSCs introduced into the tibia traffic to sites of growing breast tumor xenografts where they accelerated tumor growth by increasing the breast CSC population. With immunochemistry, we identified MSC-CSC niches in these tumor xenografts as well as in frozen sections from primary human breast cancers. Bone marrow-derived MSCs may accelerate human breast tumor growth by generating cytokine networks that regulate the CSC population. Cancer Res; 71(2); 614-24. (C) 2011 AACR.
    Original languageEnglish
    Pages (from-to)614 - 624
    Number of pages11
    JournalCancer Research
    Volume71
    Issue number2
    DOIs
    Publication statusPublished - 15 Jan 2011

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