Effects of Regulated Expression of Mutant RhoA and Rac1 Small GTPases on the Development of Epithelial (MDCK) Cell Polarity

@article{Jou1998EffectsOR,
  title={Effects of Regulated Expression of Mutant RhoA and Rac1 Small GTPases on the Development of Epithelial (MDCK) Cell Polarity },
  author={T J Jou and W. James Nelson},
  journal={The Journal of Cell Biology},
  year={1998},
  volume={142},
  pages={85 - 100}
}
MDCK cells expressing RhoA or Rac1 mutants under control of the tetracycline repressible transactivator were used to examine short-term effects of known amounts of each mutant before, during, or after development of cell polarity. At low cell density, Rac1V12 cells had a flattened morphology and intact cell-cell contacts, whereas Rac1N17 cells were tightly compacted. Abnormal intracellular aggregates formed between Rac1N17, F-actin, and E-cadherin in these nonpolarized cells. At all subsequent… CONTINUE READING
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