期刊
JOURNAL OF BIOMOLECULAR SCREENING
卷 18, 期 6, 页码 637-646出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/1087057113478168
关键词
drug sensitivity; co-culture; automated microscopy; multiple myeloma; bone marrow stromal cells
资金
- Norwegian Cancer Society
- Research Council of Norway
- K.G. Jebsen Foundation for Medical Research
The tumor microenvironment can profoundly affect tumor cell survival as well as alter antitumor drug activity. However, conventional anticancer drug screening typically is performed in the absence of stromal cells. Here, we analyzed survival of myeloma cells co-cultured with bone marrow stromal cells (BMSC) using an automated fluorescence microscope platform, ScanR. By staining the cell nuclei with DRAQ5, we could distinguish between BMSC and myeloma cells, based on their staining intensity and nuclear shape. Using the apoptotic marker YO-PRO-1, the effects of drug treatment on the viability of the myeloma cells in the presence of stromal cells could be measured. The method does not require cell staining before incubation with drugs, and less than 5000 cells are required per condition. The method can be used for large-scale screening of anticancer drugs on primary myeloma cells. This study shows the importance of stromal cell support for primary myeloma cell survival in vitro, as half of the cell samples had a marked increase in their viability when cultured in the presence of BMSC. Stromal cell-induced protection against common myeloma drugs is also observed with this method.
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