A Novel Bioartificial Liver With Culture of Porcine Hepatocyte Aggregates Under Simulated Microgravity

:  An extracorporeal bioartificial liver device could provide vital support to patients suffering from acute liver failure. We designed a novel, customized bioreactor for use as a bioartificial liver (patent pending). The Innsbruck Bioartificial Liver (IBAL) contains aggregates of porcine hepatocyte...

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Published in:Artificial organs 2005-01, Vol.29 (1), p.58-66
Main Authors: Hochleitner, Boris, Hengster, Paul, Duo, Li, Bucher, Herwig, Klima, Günter, Margreiter, Raimund
Format: Article
Language:English
Subjects:
Aggregates
Animals
Bioreactor
Bioreactors
Cell Aggregation
Cell Culture Techniques - methods
Cell Proliferation
Cells, Cultured
Hepatocytes - cytology
Hepatocytes - physiology
Hybrid liver
Liver support
Liver, Artificial
Microgravity-based bioreactors
Microscopy, Electron
Rotating-wall vessel
Space life sciences
Swine
Weightlessness Simulation
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cited_by cdi_FETCH-LOGICAL-c4374-fdc5e1cfde22e111c7cd756ced0f7dabf6ad90b2cc291a36f6c6dff13543114e3
cites cdi_FETCH-LOGICAL-c4374-fdc5e1cfde22e111c7cd756ced0f7dabf6ad90b2cc291a36f6c6dff13543114e3
container_end_page 66
container_issue 1
container_start_page 58
container_title Artificial organs
container_volume 29
creator Hochleitner, Boris
Hengster, Paul
Duo, Li
Bucher, Herwig
Klima, Günter
Margreiter, Raimund
description :  An extracorporeal bioartificial liver device could provide vital support to patients suffering from acute liver failure. We designed a novel, customized bioreactor for use as a bioartificial liver (patent pending). The Innsbruck Bioartificial Liver (IBAL) contains aggregates of porcine hepatocytes grown under simulated microgravity. The culture vessel rotates around its longitudinal axis and is perfused by two independent circuits. The circuit responsible for exchange of plasma components with the patient consists of a dialysis tube winding spirally around the internal wall of the culture vessel. IBAL was evaluated in vitro. Viability tests showed sufficient viability of hepatocytes for up to 10 days. Cytologic examination of samples from the bioreactor showed liver cell aggregates. These were also examined by electron microscopy. A number of biochemical parameters were analyzed. In conclusion, cell culture is possible for at least 10 days in the IBAL system, organoid hepatocyte aggregates are formed and synthetic activity of the hepatocytes was demonstrated.
doi_str_mv 10.1111/j.1525-1594.2004.29014.x
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We designed a novel, customized bioreactor for use as a bioartificial liver (patent pending). The Innsbruck Bioartificial Liver (IBAL) contains aggregates of porcine hepatocytes grown under simulated microgravity. The culture vessel rotates around its longitudinal axis and is perfused by two independent circuits. The circuit responsible for exchange of plasma components with the patient consists of a dialysis tube winding spirally around the internal wall of the culture vessel. IBAL was evaluated in vitro. Viability tests showed sufficient viability of hepatocytes for up to 10 days. Cytologic examination of samples from the bioreactor showed liver cell aggregates. These were also examined by electron microscopy. A number of biochemical parameters were analyzed. 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subjects Aggregates
Animals
Bioreactor
Bioreactors
Cell Aggregation
Cell Culture Techniques - methods
Cell Proliferation
Cells, Cultured
Hepatocytes - cytology
Hepatocytes - physiology
Hybrid liver
Liver support
Liver, Artificial
Microgravity-based bioreactors
Microscopy, Electron
Rotating-wall vessel
Space life sciences
Swine
Weightlessness Simulation
title A Novel Bioartificial Liver With Culture of Porcine Hepatocyte Aggregates Under Simulated Microgravity
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