Freeze-Fracture Analysis of Plasma Membranes of CHO Cells Stably Expressing Aquaporins 1-5

@article{Hoek1998FreezeFractureAO,
  title={Freeze-Fracture Analysis of Plasma Membranes of CHO Cells Stably Expressing Aquaporins 1-5},
  author={Alfred N. van Hoek and Bing Yang and S. Kirmiz and Dennis L. Brown},
  journal={The Journal of Membrane Biology},
  year={1998},
  volume={165},
  pages={243-254}
}
Several studies suggest that aquaporin water channels can be identified in membranes by freeze-fracture electron microscopy. For this report, Chinese Hamster ovary cells were stably transfected with cDNAs encoding aquaporins 1–5. Measurement of the osmotic water permeability of the cells confirmed that functional protein was expressed and delivered to the plasma membrane. By freeze-fracture electron microscopy, a 20% increase in intramembrane particle (IMP) density was found in plasma membranes… CONTINUE READING

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