Immobilization of thrombocytes on PCL nanofibres enhances chondrocyte proliferation in vitro.

Jakubova R, Mickova A, Buzgo M, Rampichova M, Prosecka E, Tvrdik D, Amler E. Cell Prolif. 2011 Apr;44(2):183–91. doi: 10.1111/j.1365-2184.2011.00737.x. IF: 2.917

Abstract:
OBJECTIVES: The aim of this study was to develop functionalized nanofibres as a simple delivery system for growth factors (GFs) and make nanofibre cell-seeded scaffold implants a one-step intervention. MATERIALS AND METHODS: We have functionalized polycaprolactone (PCL) nanofibres with thrombocytes adherent on them. Immobilized, these thrombocytes attached to nanofibre scaffolds were used as a nanoscale delivery system for native (autologous) proliferation and differentiation factors, in vitro. Pig chondrocytes were seeded on the thrombocyte-coated scaffolds and levels ofproliferation and differentiation of these cells were compared with those seeded on non-coated scaffolds. RESULTS: Immobilized thrombocytes on PCL nanofibres effectively enhanced chondrocyte proliferation due to time-dependent degradation of thrombocytes and release of their GFs. CONCLUSIONS: These simply functionalized scaffolds present new possibilities for nanofibre applications, as smart cell scaffolds equipped with a GF delivery tool.
 
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Created: 12. 9. 2011 / Modified: 7. 1. 2019 / prof. MUDr. Radek Špíšek, Ph.D.