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Curr Opin Support Palliat Care. 2008 Sep;2(3):211-7. doi: 10.1097/SPC.0b013e32830d5c12.

Hematopoietic niche and bone meet.

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  • 1Endocrine Division, Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York 14642, USA.



To provide an overview of the hematopoietic stem cell (HSC) niche in the bone marrow. In addition to highlighting recent advances in the field, we will also discuss components of the niche that may contribute to the development of cancer, or cancer metastases to the bone.


Much progress has been very recently made in the understanding of the cellular and molecular interactions in the HSC microenvironment. These recent findings point out the extraordinary complexity of the HSC microenvironment. Emerging data also suggest convergence of signals important for HSC and for leukemia or metastatic disease support.


The HSC niche comprises complex interactions between multiple cell types and molecules requiring cell-cell signaling as well as local secretion. These components can be thought of as therapeutic targets not only for HSC expansion, but also to modify behavior of hematopoietic malignancies and cancer metastases to the bone.

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