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Trends Mol Med. 2009 Aug;15(8):333-43. doi: 10.1016/j.molmed.2009.06.006. Epub 2009 Aug 7.

The role of bone-marrow-derived cells in tumor growth, metastasis initiation and progression.

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Department of Cardiothoracic Surgery, Lehman Brothers Lung Cancer Research Center, 1300 York Avenue, 525 East 68th street, New York, New York 10065, USA.


Emerging evidence from murine models suggests that tumor-specific endocrine factors systemically stimulate the quiescent bone marrow (BM) compartment, resulting in the expansion, mobilization and recruitment of BM progenitor cells. Discrete subsets of tumor-instigated BM-derived progenitor cells support tumor progression and metastasis by regulating angiogenesis, inflammation and immune suppression. Notably, clinical studies have begun to reveal that increased BM recruitment in tumors is associated with poor prognosis. Thus, the BM-derived tumor microenvironment is an attractive therapeutic target, and drugs targeting the components of the microenvironment are currently in clinical trials. Here, we focus on recent advances and emerging concepts regarding the intriguing role of BM-derived cells in tumor growth, metastasis initiation and progression, and we discuss future directions in the context of novel diagnostic and therapeutic opportunities.

[Indexed for MEDLINE]

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