Abstract
Prostate cancer is the most common tumor in men in the U.S.A. The regulation of growth control in normal prostate cells and its contribution to tumor progression is a subject of intense investigation.Recently our group developed culture techniques that allowed us to study normal and neoplastic human prostate epithelial cells from human prostatectomy specimens. Since quantitative evaluation of intracellular compartments will be critical to defining the role of membrane trafficking in the growth regulation, we used TEM and QIAM to characterize normal and neoplastic prostate epithelial cells invivo, as well as in vitro. This work will serve as a baseline to subsequent studies using perturbants of cell trafficking and conditions ;hat promote or block cellular growth, to investigate the role of growth factors and stromal/epithelial nteraction in prostate growth regulation.Normal and neoplastic tissues were sampled for ultrastructural examination from grid mapped radical prostatectomy specimens that were processed for whole mounts. The SV40 immortalized "normal" prostate cell line (P69) was provided by Dr. Strom.
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