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Reversible Mitotic and Metabolic Inhibition Following the Encapsulation of Fibroblasts in Alginate Hydrogels by Nicola C. Hunt; Richard M. Shelton; Liam M. Grover is a Engineering article available to read on EtoBox.

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Limiting cell proliferation without reducing cell viability for in vivo tissue engineering applications is important in co-culture applications where the growth of one cell type must be inhibited to prevent overgrowth of the scaffold at the expense of another cell type. Also, it is vital for maintaining viability of cells in large constructs before vascularisation occurs. In this study we have shown by means of the Thiazolyl blue (MTT) assay and immuno-staining for proliferating cell nuclear antigen (PCNA) that encapsulating fibroblasts in 2% and 5%w/v calcium-alginate at a density of 7.5 x 10(5)cells/ml as uniformly dispersed entities, enabled cells to maintain viability and caused a reversible mitotic inhibition. Alginate encapsulation also caused reversible metabolic inhibition as demonstrated by the MTT assay and fluorescent staining for mitochondrial membrane potential. Histological evaluation of the alginate constructs containing fibroblasts showed that mitotic and metabolic inhibition was possibly due to cell isolation during the first five weeks of culture. The alginate scaffold degraded with time releasing encapsulated fibroblasts. Upon implantation to a wound site this sh

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Author

Nicola C. Hunt; Richard M. Shelton; Liam M. Grover

Publisher

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

Published

2009

Language

EN

Field

Engineering (Physical Sciences)