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BPN378: High-Density Spheroid Arrays for 3-D Liver Cell Culture and Secretion Analysis

Project ID BPN378
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Start Date Fri 2007-Jan-26 12:46:58
Last Updated Thu 2007-Feb-01 16:09:53
Abstract Previous efforts toward preparing multicellular aggregates (spheroids) have been made in traditional rocker-plate [1], porous foam block [2], and microarray chip cultures [3] in order to maintain liver-specific functions in vitro. These approaches all employ static culture methods and thus physiological flow conditions could not be simulated. Furthermore, the ability to analyze cell viability and function in a high-throughput manner is hindered due to the opaque substrates used in all three systems. To effectively coalesce otherwise monolayer liver cells seeded into microfluidic channels,we present a high-density hepatic spheroid trapping array chip for rapid three-dimensional spheroid self-assembly. Microfabricated 3-D bioreactors address many of the issues associated with traditional liver cell culture such as providing more in vivo-like spatial cell-cell interactions [4]. A platform that closely mimics the in vivo architecture of the human liver has yet to be achieved. We aim to bring hepatic spheroid culture one-step closer to the realization of this goal.
Status New
Funding Source State
IAB Research Area BioMEMS
Researcher(s) Mimi Zhang
Advisor(s) Luke P. Lee
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