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|Title:||Hepatocyte function within a stacked double sandwich culture plate cylindrical bioreactor for bioartificial liver system||Authors:||Xia, L.
|Issue Date:||Nov-2012||Citation:||Xia, L., Arooz, T., Zhang, S., Tuo, X., Xiao, G., Susanto, T.A.K., Sundararajan, J., Cheng, T., Kang, Y., Poh, H.J., Leo, H.L., Yu, H. (2012-11). Hepatocyte function within a stacked double sandwich culture plate cylindrical bioreactor for bioartificial liver system. Biomaterials 33 (32) : 7925-7932. ScholarBank@NUS Repository. https://doi.org/10.1016/j.biomaterials.2012.06.078||Abstract:||Bioartificial liver (BAL) system is promising as an alternative treatment for liver failure. We have developed a bioreactor with stacked sandwich culture plates for the application of BAL. This bioreactor design addresses some of the persistent problems in flat-bed bioreactors through increasing cell packing capacity, eliminating dead flow, regulating shear stress, and facilitating the scalability of the bioreactor unit. The bioreactor contained a stack of twelve double-sandwich-culture plates, allowing 100 million hepatocytes to be housed in a single cylindrical bioreactor unit (7 cm of height and 5.5 cm of inner diameter). The serial flow perfusion through the bioreactor increased cell-fluid contact area for effective mass exchange. With the optimal perfusion flow rate, shear stress was minimized to achieve high and uniform cell viabilities across different plates in the bioreactor. Our results demonstrated that hepatocytes cultured in the bioreactor could re-establish cell polarity and maintain liver-specific functions (e.g. albumin and urea synthesis, phase I&II metabolism functions) for seven days. The single bioreactor unit can be readily scaled up to house adequate number of functional hepatocytes for BAL development. © 2012 Elsevier Ltd.||Source Title:||Biomaterials||URI:||http://scholarbank.nus.edu.sg/handle/10635/67080||ISSN:||01429612||DOI:||10.1016/j.biomaterials.2012.06.078|
|Appears in Collections:||Staff Publications|
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