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2015 ; 106
(6
): 757-765
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Time-lapse imaging assay using the BioStation CT: a sensitive drug-screening
method for three-dimensional cell culture
#MMPMID25865675
Sakamoto R
; Rahman MM
; Shimomura M
; Itoh M
; Nakatsura T
Cancer Sci
2015[Jun]; 106
(6
): 757-765
PMID25865675
show ga
Three-dimensional (3D) cell culture is beneficial for physiological studies of
tumor cells, due to its potential to deliver a high quantity of cell culture
information that is representative of the cancer microenvironment and predictive
of drug responses in vivo. Currently, gel-associated or matrix-associated 3D cell
culture is comprised of intricate procedures that often result in experimental
complexity. Therefore, we developed an innovative anti-cancer drug sensitivity
screening technique for 3D cell culture on NanoCulture Plates (NCP) by employing
the imaging device BioStation CT. Here, we showed that the human breast cancer
cell lines BT474 and T47D form multicellular spheroids on NCP plates and compared
their sensitivity to the anti-cancer drugs trastuzumab and paclitaxel using the
BioStation CT. The anticancer drugs reduced spheroid migration velocity and
suppressed spheroid fusion. In addition, primary cells derived from the human
breast cancer tissues B58 and B61 grown on NCP plates also exhibited similar drug
sensitivity. These results were in good agreement with the conventional assay
method using ATP quantification. We confirmed the antitumor effects of the drugs
on cells seeded in 96-well plates using the BioStation CT imaging technique. We
expect this method to be useful in research for new antitumor agents and for drug
sensitivity tests in individually-tailored cancer treatments.