Abstract
Conventional viability tests, help to screen the cellular effects of candidate molecules, but the endpoint of these measurements lacks sufficient information regarding the molecular aspects. A non-invasive, easy-to-setup live-cell microscopic method served to in-depth analysis of mechanisms of potential anticancer drugs. The proposed method combining the MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) test with time-lapse scanning microscopy (TLS), provided additional data related to the cell-cycle and the dynamic properties of cell morphology. Apoptotic and necrotic events became detectable with these methods. Quantification of the results was assisted by image analysis of the acquired image sequences. After demonstrating the potential of the TLS method, a series of experiments compared the in vitro effect of a known and a newly synthesized nucleoside analogue. The proposed approach provided a more in-depth insight into the cellular processes that can be affected by known chemotherapeutic agents including nucleoside analogues rather than applying repeated individual treatments.
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