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Contenuto archiviato il 2024-05-28

The Balance between Transport and Mechanical Issues in 3D Regenerative Tissues, Using the Perfusion Bioreactor

Obiettivo

Difficulties encountered in tissue engineering invited the use of perfusion bioreactors to deliver essential nutrients to cells within tissue-engineered constructs. Despite the increased nutrient transport achieved, solute perfusion caused harmful mechanical stresses to the cells. Interestingly, some bioreactors are employed to mechanically stimulate cells, improving their biological functions. However, stresses associated with perfusion bioreactors are counterproductive. Currently, to address this issue, perfusion rate is lowered to minimise mechanical implications to the cells. Consequently, nutrient delivery is sacrificed. Therefore, this project aims to balance the nutritional advantage offered by perfusion, and its associate cell-death. By doing so, essential nutrients may be perfused to all regions of tissue-engineered constructs, at flow rates whose mechanical implications are harmless, or even encouraging to cells. To alleviate the costly and iterative experiments necessary to achieve these aims, the use of computational modelling will be central to the project, and incidentally, forms the training objective of the proposal. However, key findings will be corroborated with laboratory experiments. Combining techniques associated with cell biology, material science, and mechanical engineering. The specific objectives of the proposed study are to: Model the fluid flow-induced deformation of cells within tissue-engineered constructs. Using fluorescent staining, corroborate relationship between fluid flow and cellular deformation. Design a system to mechanically deform cells without fluid flow. Investigate the influence of cellular deformation, with and without fluid flow to their viability and biological activities. Extrapolate the individual contributions of fluid flow and mechanical deformation. Determine theoretically, and experimentally, useful ranges of fluid flow and mechanical deformation, conducive to developing functional neo-tissues in vitro.

Campo scientifico (EuroSciVoc)

Parole chiave

Argomento(i)

Invito a presentare proposte

FP7-PEOPLE-2007-2-1-IEF
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Meccanismo di finanziamento

MC-IEF - Intra-European Fellowships (IEF)

Coordinatore

CHARITE - UNIVERSITAETSMEDIZIN BERLIN
Contributo UE
€ 158 694,85
Indirizzo
Chariteplatz 1
10117 Berlin
Germania
Regione
Berlin Berlin Berlin
Tipo di attività
Higher or Secondary Education Establishments
Collegamenti
Costo totale
Nessun dato