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Cell-based therapy by implanted human bone marrow-derived mononuclear cells improved bone healing of large bone defects in rats.

Seebach C, Henrich D, Schaible A, Relja B, Jugold M, Bönig H, Marzi I
Tissue engineering. Part A 2015; 219-102015May: 1565-78


QUESTION/AIM: Cell-based therapy by cultivated stem cells (mesenchymal stem cells [MSC] and endothelial progenitor cells [EPC]) in a large-sized bone defect has already shown improved vascularization and new bone formation. However, these methods are clinically afflicted with disadvantages. Another heterogeneous bone marrow cell population, the so-called human bone marrow-derived mononuclear cells (BMC), has nevertheless been used clinically and showed improved vascularization in ischemic limbs or in the myocardium. For clinical use, a certified process has been established; thus, BMC were isolated from bone marrow aspirate by density gradient centrifugation, washed, cleaned, and given back to patients within several hours. This investigation tested the ability of human BMC seeded on beta-tricalcium phosphate (β-TCP) and placed into a large bone defect in rats to improve the bone healing process in vivo.

Zugehörigkeit: 1 Department of Trauma Surgery, Johann-Wolfgang-Goethe University , Frankfurt/Main, Germany .

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