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Mesenchymal lineage precursor cells induce vascular network formation in ischemic myocardium

Abstract

Mesenchymal lineage precursors can be reproducibly isolated from adult mammalian bone marrow and grown in culture. Immunoselection with monoclonal antibodies against STRO-1 and vascular-cell-adhesion molecule 1 (VCAM1/CD106) prior to expansion results in a 1,000-fold enrichment of mesenchymal precursors compared to standard isolation techniques. Intramyocardial injection of human STRO-1-selected precursors in an athymic rat model of acute myocardial infarction results in induction of vascular network formation and arteriogenesis coupled with global functional cardiac recovery.

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Figure 1: Induction of tumor neovascularization (angiogenesis and arteriogenesis) by human STRO-1bright cells
Figure 2: Dose-dependent effect of STRO-1bright cells on myocardial neovascularization
Figure 3: STRO-1bright-dependent myocardial neovascularization results in global improvement of parameters of myocardial function

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Correspondence to Timothy P Martens.

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Martens, T., See, F., Schuster, M. et al. Mesenchymal lineage precursor cells induce vascular network formation in ischemic myocardium. Nat Rev Cardiol 3 (Suppl 1), S18–S22 (2006). https://doi.org/10.1038/ncpcardio0404

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