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Stromal cell and human prostatic epithelial cell in-vitro co-coltures: Growth and morphology

A study was carried out on the effect of stroma-epithelium interaction on cellular growth and morphology in co-coltures of U285 prostatic epithelial cells with human prostatic and esophageal stromal cells and with murine fibroblasts of the 3T3-J2 line. The proliferation rate was determined by growth tests of neutral red and kenacid blue. Morphological observations were made under optical microscope on the same cultures used for the growth tests. Results highlighted a marked reduction in cellular growth in the co-cultures compared to control cultures, as well as the tendency of the stromal and epithelial cells to re-organise themselves in pseudo-acinous structures.