Eleftheriadou, D;
Berg, M;
Phillips, JB;
Shipley, RJ;
(2022)
A combined experimental and computational framework to evaluate the behavior of therapeutic cells for peripheral nerve regeneration.
Biotechnology and Bioengineering
10.1002/bit.28105.
(In press).
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Abstract
Recent studies have explored the potential of tissue-mimetic scaffolds in encouraging nerve regeneration. One of the major determinants of the regenerative success of cellular nerve repair constructs is the local microenvironment, particularly native low oxygen conditions which can affect implanted cell survival and functional performance. In vivo, cells reside in a range of environmental conditions due to the spatial gradients of nutrient concentrations that are established. Here we evaluate in vitro the differences in cellular behaviour that such conditions induce, including key biological features such as oxygen metabolism, glucose consumption, cell death, and VEGF secretion. Experimental measurements are used to devise and parameterise a mathematical model that describes the behaviour of the cells. The proposed model effectively describes the interactions between cells and their microenvironment and could in the future be extended, allowing researchers to compare the behaviour of different therapeutic cells. Such a combinatorial approach could be used to accelerate the clinical translation of nerve repair constructs by identifying which critical design features should be optimised when fabricating engineered nerve repair conduits. This article is protected by copyright. All rights reserved.
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