Biology – Quantitative Biology – Tissues and Organs
Scientific paper
2008-01-22
Biology
Quantitative Biology
Tissues and Organs
MSc Thesis (Chemical Engineering Department, Rovira i Virgili University, Spain) Supervisors: Dr. Petros Lenas and Dr. Jose L.
Scientific paper
Tissue Engineering concerns the three-dimensional cell growth so that bio-artificial tissues could be created and used for transplantation. The recently expressed concerns from the Tissue Engineering research community for a re-direction of the research activities necessitate the proposition of new methodologies. We propose a methodology that has to do with the simulation in bioreactor systems of liver structures as are described in liver anatomy. I this way the hepatocyte microenvironments that determine their function could be re-created in vitro. The approach needs the use of hepatocyte aggregates as entities to load the bioreactor systems. A new bioreactor, the microgravity simulating rotation bioreactor, has been used for the preparation of cell aggregates. Microcontact printing has been used to produce a patterned surfaces. They were tested adsorbing BSA proteins, and will be used in future for the mmobilization of cell aggregates in order to gain further understanding of the role of cell heterogeneity in the cooperative behaviour of cells in vitro.
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