Phenotype Spectrum reflects Synergies among the Cell Architecture over Stages of the Cell Cycle
Lan, T.; Yu, M.; Chen, W.; Yin, J.; Chang, H.-T.; Tang, S.; Zhao, Y.; Svrononos, S. A.; Wong, S. W. K.; Tseng, Y.
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The heterogeneity of cell phenotypes remains a barrier in progressing cell research and a challenge in conquering cancer-related drug resistance. Cell morphology, the most direct property of cell phenotype, evolves along the progression of the cell cycle; meanwhile, cell motility, the dynamic property of cell phenotype, also alters over the cell cycle. However, a quantifiable research understanding the strict relationship between the cell cycle and cell migration is missing. Herein, we separately elucidate the correspondence of single NIH 3T3 fibroblast migratory behaviors with the G1, S, and G2 phases of the cell cycle, an underlying property of proliferation. The results show that synergies among the highly spatiotemporal arrangements of signals in Rho GTPases and cyclin-dependent kinase inhibitors, p21Cip1, and p27Kip1 coordinates proliferation and migration. Taken together, we explain the synergies among these processes through providing an interactive molecular mechanism between the cell cycle and cell migration and demonstrate that both cell morphology and the dynamic subcellular behavior are homogenous within each stage of the cell cycle phases, posing potential implications in countering drug resistance.
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