We have monitored viscoelasticity variation of a cell population during the cell cycle by a Quartz Crystal Microbalance (QCM). Balb 3T3 fibroblasts were synchronized in the G0/G1 phase and seeded in a QCM chamber placed in a cell incubator. After cell sedimentation, the frequency signal was characterized by an amplitude modulation attributed to the viscoelasticity variation of the cells proliferating in phase. A control experiment with nonsynchronized cells showed a similar signal trend, but without significant modulation. Interestingly, the system resulted also to perform as a device sensitive to the effect of drugs affecting the cell cycle, such as colchicine.
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Alessandrini et al. (2006) studied this question.
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