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A simple, low-cost staining method for rapid-throughput analysis of tumor spheroids.


ABSTRACT: Tumor spheroids are becoming an important tool for the investigation of cancer stem cell (CSC) function in tumors; thus, low-cost and high-throughput methods for drug screening of tumor spheroids are needed. Using neurospheres as non-adherent three-dimensional (3-D) cultures, we developed a simple, low-cost acridine orange (AO)-based method that allows for rapid analysis of live neurospheres by fluorescence microscopy in a 96-well format. This assay measures the cross-section area of a spheroid, which corresponds to cell viability. Our novel method allows rapid screening of a panel of anti-proliferative drugs to assess inhibitory effects on the growth of cancer stem cells in 3-D cultures.

SUBMITTER: Eckerdt F 

PROVIDER: S-EPMC4772731 | biostudies-literature | 2016 Jan

REPOSITORIES: biostudies-literature

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A simple, low-cost staining method for rapid-throughput analysis of tumor spheroids.

Eckerdt Frank F   Alvarez Angel A   Bell Jonathan J   Arvanitis Constadina C   Iqbal Asneha A   Arslan Ahmet D AD   Hu Bo B   Cheng Shi-Yuan SY   Goldman Stewart S   Platanias Leonidas C LC  

BioTechniques 20160101 1


Tumor spheroids are becoming an important tool for the investigation of cancer stem cell (CSC) function in tumors; thus, low-cost and high-throughput methods for drug screening of tumor spheroids are needed. Using neurospheres as non-adherent three-dimensional (3-D) cultures, we developed a simple, low-cost acridine orange (AO)-based method that allows for rapid analysis of live neurospheres by fluorescence microscopy in a 96-well format. This assay measures the cross-section area of a spheroid,  ...[more]

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