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Jang M, Neuzil P, Volk T, et al. On-chip three-dimensional cell culture in phaseguides improves hepatocyte functions in vitro. Biomicrofluidics. 2015;9(3):034113doi: 10.1063/1.4922863.
Jang, M., Neuzil, P., Volk, T., Manz, A., & Kleber, A. (2015). On-chip three-dimensional cell culture in phaseguides improves hepatocyte functions in vitro. Biomicrofluidics, 9(3), 034113. https://doi.org/10.1063/1.4922863
Jang, Mi, et al. "On-chip three-dimensional cell culture in phaseguides improves hepatocyte functions in vitro." Biomicrofluidics vol. 9,3 (2015): 034113. doi: https://doi.org/10.1063/1.4922863
Jang M, Neuzil P, Volk T, Manz A, Kleber A. On-chip three-dimensional cell culture in phaseguides improves hepatocyte functions in vitro. Biomicrofluidics. 2015 Jun 23;9(3):034113. doi: 10.1063/1.4922863. eCollection 2015 May. PMID: 26180570; PMCID: PMC4482807.
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Biomicrofluidics. 2015 Jun 23;9(3):034113. doi: 10.1063/1.4922863. eCollection 2015 May.

On-chip three-dimensional cell culture in phaseguides improves hepatocyte functions in vitro.

Biomicrofluidics

Mi Jang, Pavel Neuzil, Thomas Volk, Andreas Manz, Astrid Kleber

Affiliations

  1. Department of Anaesthesiology, Intensive Care and Pain Therapy, Saarland University Medical Center , Kirrbergerstrasse 57, 66421 Homburg (Saar), Germany.

PMID: 26180570 PMCID: PMC4482807 DOI: 10.1063/1.4922863

Abstract

The in vitro study of liver functions and liver cell specific responses to external stimuli deals with the problem to preserve the in vivo functions of primary hepatocytes. In this study, we used the biochip OrganoPlate(TM) (MIMETAS) that combines different advantages for the cultivation of hepatocytes in vitro: (1) the perfusion flow is achieved without a pump allowing easy handling and placement in the incubator; (2) the phaseguides allow plating of matrix-embedded cells in lanes adjacent to the perfusion flow without physical barrier; and (3) the matrix-embedding ensures indirect contact of the cells to the flow. In order to evaluate the applicability of this biochip for the study of hepatocyte's functions, Matrigel(TM)-embedded HepG2 cells were cultured over three weeks in this biochip and compared to a static Matrigel culture (3D) and a monolayer culture (2D). Chip-cultured cells grew in spheroid-like structures and were characterized by the formation of bile canaliculi and a high viability over 14 days. Hepatocyte-specific physiology was achieved as determined by an increase in albumin production. Improved detoxification metabolism was demonstrated by strongly increased cytochrome P450 activity and urea production. Additionally, chip-cultured cells displayed increased sensitivity to acetaminophen. Altogether, the OrganoPlate seems to be a very useful alternative for the cultivation of hepatocytes, as their behavior was strongly improved over 2D and static 3D cultures and the results were largely comparable and partly superior to the previous reports on biochip-cultured hepatocytes. As for the low technical needs, this platform has the appearance of being highly applicable for further studies of hepatocytes' responses to external stimuli.

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