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Int. J. Mol. Sci. 2017, 18(1), 151; doi:10.3390/ijms18010151

Bone Niches, Hematopoietic Stem Cells, and Vessel Formation

1
Department of Basic Medical Sciences, Neurosciences and Sensory Organs, Section of Human Anatomy and Histology, University of Bari Medical School, 70124 Bari, Italy
2
National Cancer Institute Giovanni Paolo II, 70124 Bari, Italy
*
Author to whom correspondence should be addressed.
Academic Editors: Girolamo Ranieri and Yogesh Kumar Vashist
Received: 25 October 2016 / Revised: 14 December 2016 / Accepted: 9 January 2017 / Published: 13 January 2017
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Abstract

Bone marrow (BM) is a source of hematopoietic stem cells (HSCs). HSCs are localized in both the endosteum, in the so-called endosteal niche, and close to thin-walled and fenestrated sinusoidal vessel in the center of BM, in the so-called vascular niche. HSCs give rise to all types of mature blood cells through a process finely controlled by numerous signals emerging from the bone marrow niches where HSCs reside. This review will focus on the description of the role of BM niches in the control of the fate of HSCs and will also highlight the role of the BM niches in the regulation of vasculogenesis and angiogenesis. Moreover, alterations of the signals in niche microenvironment are involved in many aspects of tumor progression and vascularization and further knowledge could provide the basis for the development of new therapeutic strategies. View Full-Text
Keywords: angiogenesis; bone marrow; endosteal niche; hematopoietic stem cells; vascular niche; vasculogenesis angiogenesis; bone marrow; endosteal niche; hematopoietic stem cells; vascular niche; vasculogenesis
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Tamma, R.; Ribatti, D. Bone Niches, Hematopoietic Stem Cells, and Vessel Formation. Int. J. Mol. Sci. 2017, 18, 151.

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