alexa A catalytic role for proangiogenic marrow-derived cells in tumor neovascularization.


Biochemistry & Physiology: Open Access

Author(s): Seandel M, Butler J, Lyden D, Rafii S

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Abstract Small numbers of proangiogenic bone marrow-derived cells (BMDCs) can play pivotal roles in tumor progression. In this issue of Cancer Cell, two papers, utilizing different tumor angiogenesis models, both find that activated MMP-9 delivered by BMDCs modulates neovessel remodeling, thereby promoting tumor growth. The changes in microvascular anatomy induced by MMP-9-expressing BMDCs are strikingly different between the preirradiated tumor vascular bed model employed by Ahn and Brown and the invasive glioblastoma model utilized by Du et al., likely mirroring the complexity of the real tumor microenvironment and the intricacy of roles of different BMDC populations in mediating tumor neoangiogenesis.
This article was published in Cancer Cell and referenced in Biochemistry & Physiology: Open Access

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