Expansion and characterization of human bone marrow-derived mesenchymal stem cells cultured on fragmin/protamine microparticle-coated matrix with fibroblast growth factor-2 in low serum medium.

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Fragmin/protamine microparticles (F/P MPs) can be stably coated onto plastic surfaces. A capability of F/P MP-coated plates was investigated to immobilize fibroblast growth factor (FGF)-2 as a substratum to expand human bone marrow-derived mesenchymal stem cells (BMMSCs). FGF-2 molecules in low (2%) human serum (HS) medium were immobilized onto F/P MP-coated plates, and the FGF-2 was gradually released into the medium with a half-releasing time of 4-5 days. BMMSCs adhered well to the F/P MP-coated plates, and grew at a doubling time of about 28 h in low (2%) HS medium with FGF-2 (5 ng/mL), while the cells grew at a doubling time of about 30 and 38 h in high (10%) HS medium and in low (2%) HS medium with FGF-2, respectively, without F/P MP coating. The expanded BMMSCs on the F/P MP-coated plates in low (2%) HS medium with FGF-2 maintained their multilineage potential for differentiation into adipocytes and osteoblasts.

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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