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Methods Mol Biol. 2016;1502:1-19. doi: 10.1007/7651_2016_335.

Multicompartmental Hollow-Fiber-Based Bioreactors for Dynamic Three-Dimensional Perfusion Culture.

Author information

1
University of Pittsburgh, McGowan Institute for Regenerative Medicine, 3025 E. Carson St., Pittsburgh, PA, 15203, USA. schmelzere@upmc.edu.
2
University of Pittsburgh, McGowan Institute for Regenerative Medicine, 3025 E. Carson St., Pittsburgh, PA, 15203, USA.

Abstract

The creation of larger-scale three-dimensional tissue constructs depends on proper medium mass and gas exchange, as well as removal of metabolites, which cannot be achieved in conventional static two-dimensional petri dish culture. In cultures of tissue-density this problem can be addressed by decentral perfusion through artificial micro-capillaries. While the static medium exchange in petri dishes leads to metabolite peaks, perfusion culture provides a dynamic medium supply, thereby preventing non-physiological peaks. To overcome the limitations of conventional static two-dimensional culture, a three-dimensional perfusion bioreactor technology has been developed, providing decentral and high-performance mass exchange as well as integral oxygenation. Similar to organ systems in vivo, the perfusion with medium provides nutrition and removes waste metabolites, and the perfusion with gas delivers oxygen and carbon dioxide for pH regulation. Such bioreactors are available at various dimensions ranging from 0.2 to 800 mL cell compartment volumes (manufactured by StemCell Systems, Berlin, Germany). Here, we describe in detail the setup and maintenance of a small-scale 4-chamber bioreactor with its tubing circuit and perfusion system.

KEYWORDS:

Bioengineering; Bioreactor; Cell culture; Hollow-fiber bioreactor; Perfusion culture; Three-dimensional culture; Tissue engineering

PMID:
27075977
DOI:
10.1007/7651_2016_335
[Indexed for MEDLINE]

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