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Journal ArticleDOI

Mass transfer and metabolic reactions in hepatocyte spheroids cultured in rotating wall gas-permeable membrane system

TLDR
The improved viability predicted by the model culturing hepatocyte spheroids in the RWMS, characterized by a higher O(2) permeability with respect to RWPS, was experimentally confirmed and demonstrated that the mathematical model used in this study represents a useful support to experimental procedures in order to obtain hepatocytespheroids with optimal size.
About
This article is published in Biomaterials.The article was published on 2007-12-01. It has received 228 citations till now. The article focuses on the topics: Limiting oxygen concentration & Spheroid.

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Citations
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Journal ArticleDOI

Recent advances in three-dimensional multicellular spheroid culture for biomedical research

TL;DR: The current understanding of multicellular spheroid formation mechanisms, their biomedical applications, and recent advances in sp heroid culture, manipulation, and analysis techniques are reviewed.
Journal ArticleDOI

Recent advances in 2D and 3D in vitro systems using primary hepatocytes, alternative hepatocyte sources and non-parenchymal liver cells and their use in investigating mechanisms of hepatotoxicity, cell signaling and ADME.

Patricio Godoy, +94 more
TL;DR: This review encompasses the most important advances in liver functions and hepatotoxicity and analyzes which mechanisms can be studied in vitro and how closely hepatoma, stem cell and iPS cell–derived hepatocyte-like-cells resemble real hepatocytes.
Journal ArticleDOI

Advances in multicellular spheroids formation.

TL;DR: Among these methods, the approach in microfluidics with hydrogel support for MCS formation is promising because it allows essential cell–cell/cell–matrix interactions in a confined space.
Journal ArticleDOI

Human liver cell spheroids in extended perfusion bioreactor culture for repeated-dose drug testing.

TL;DR: Perfusion bioreactor cultures of primary human hepatocyte spheroids maintain a liver‐specific activity and architecture and are thus suitable for drug testing in a long‐term, repeated‐dose format.
Journal ArticleDOI

An oxygen-permeable spheroid culture system for the prevention of central hypoxia and necrosis of spheroids

TL;DR: Results indicate that this oxygen-permeable spheroid culture chip is useful for engineering 3D cellular constructs with high viability and functionality for tissue engineering.
References
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Book ChapterDOI

Preparation of isolated rat liver cells.

TL;DR: This chapter discusses preparation of isolated rat liver cells by incubation of rat liver minces with pronase, which results in most of the liver parenchyma is digested, while nonparenchymal cells remain intact and can be recovered from the incubate.
Book

Diffusion: Mass Transfer in Fluid Systems

TL;DR: An overview of diffusion and separation processes brings unsurpassed, engaging clarity to this complex topic as mentioned in this paper, which is a key part of the undergraduate chemical engineering curriculum and at the core of understanding chemical purification and reaction engineering.
Journal ArticleDOI

Spheroidal aggregate culture of rat liver cells: histotypic reorganization, biomatrix deposition, and maintenance of functional activities.

TL;DR: It is concluded that cells dispersed as single cells from newborn rat liver conserve in part the necessary information to reconstruct a proper three-dimensional cyto-architecture and that the microenvironment so generated most likely represents a basic requirement for the optimal functioning of these differentiated cells.
Journal ArticleDOI

Formation of multicellular spheroids composed of adult rat hepatocytes in dishes with positively charged surfaces and under other nonadherent environments.

TL;DR: Two distinct, mutually exclusive features of primary culture of adult hepatocytes apparently exist; monolayer culture with proliferative activity in an adherent environment and spheroid culture with poor proliferationative activity and high albumin-producing ability in a nonadherent environment.
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