Contact normalization is a process by which intercellular junctions mediate signals that allow normal cells to inhibit the transformed growth of neighboring tumor cells. Intimate junctional contact between tumor cells and normal cells is needed for this form of growth control. Contact normalization describes the ability of nontransformed cells to normalize the growth of neighboring cancer cells. This is a very widespread and powerful phenomenon. Tumor cells need to overcome this form of growth inhibition before they can become malignant or metastatic.
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Famous quotes containing the word contact:
“Perhaps ... women have always been in closer contact with reality than men: it would seem to be the just recompense for being deprived of idealism.”
—Germaine Greer (b. 1939)