University of Helsinki: Cells United Against Cancer

Sheets of highly organized epithelial cells line all the cavities and free surfaces of the body, forming barriers that control the movement of liquids and cells in the body organs. The organized structure of normal breast epithelial cells may also serve as a barrier against cancer, according to a study by University of Helsinki scientists. The work appears this week in the online edition of the Proceedings of the National Academy of Sciences (PNAS).

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