Issues with Cancer Spheroid Models in Therapeutic Drug Screening

Author(s): Eleonore Fröhlich*.

Journal Name: Current Pharmaceutical Design

Volume 26 , Issue 18 , 2020

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Abstract:

In vitro screening for anti-cancer agents currently uses mainly cell lines in 2D culture. It is generally assumed that 3D culture, namely spheroids, represents physiologically more relevant models for tumors. Unfortunately, drug testing in spheroids is not as easy and reproducible as in 2D culture because there are factors that limit the universal use of spheroids as screening platforms. Technical problems in the generation of uniform spheroids, cell/tumor-specific differences in the ability to form spheroids, and more complex readout parameters are the main reasons for differences between spheroid data. The review discusses requirements for cancer spheroids to be representative models, suitable methodologies to generate spheroids for the screening and readout parameters for the evaluation of anti-cancer agents.

Keywords: Drug screening, cell culture, 3D culture, cancer spheroids, anti-cancer drugs, 2D culture.

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Article Details

VOLUME: 26
ISSUE: 18
Year: 2020
Page: [2137 - 2148]
Pages: 12
DOI: 10.2174/1381612826666200218094200
Price: $65

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PDF: 12