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Expansion of human bone marrow stromal cells on poly-(dl-lactide-co-glycolide) (PDLLGA) hollow fibres designed for use in skeletal tissue engineering by Suzanne M. Morgan; Simon Tilley; Semali Perera; Marianne J. Ellis; Janos Kanczler; Julian B. Chaudhuri; Richard O.C. Oreffo is a Engineering article available to read on EtoBox.

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Strategies to expand human bone marrow stromal cells (HBMSC) for bone tissue engineering are a key to revolutionising the processes involved in three-dimensional skeletal tissue reconstruction. To facilitate this process we believe the use of biodegradable porous poly(DL-lactide-co-glycolide) (PDL LGA) hollow fibres as a scaffold used in combination with HBMSC to initiate natural bone repair and regeneration offers a potential solution. In this study, the biocompatibility of 75:25 PDL LGA fibres with HBMSC and the capacity of a PDL LGA fibre-associated HBMSC-monolayer to establish an osteogenic phenotype in vivo was examined. A high proportion of HBMSC survived when expanded on PDL LGA fibres for 6 days, with only 10% of the propidium iodide (pI)-labelled population represented in the sub-G1 DNA peak on analysis by flow cytometry. Tracking carboxy-fluorescein diacetate, succinimidyl ester (CFSE)-labelled HBMSC by flow cytometry indicated that HBMSC attachment to the P(DL)LGA fibres does not interfere with their rate of proliferation. Furthermore, in response to osteogenic stimuli, HBMSC expanded on PDL LGA fibres can differentiate, as expected, along the osteogenic lineage with ass

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Author

Suzanne M. Morgan; Simon Tilley; Semali Perera; Marianne J. Ellis; Janos Kanczler; Julian B. Chaudhuri; Richard O.C. Oreffo

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0142-9612)

Published

2007

Language

EN

Field

Engineering (Physical Sciences)