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Reelin expression in human prostate cancer: a marker of tumor aggressiveness based on correlation with grade.

  • Autori: Perrone, G.; Vincenzi, B.; Zagami, M.; Santini, D.; Panteri, R.; Flammia, G.; Verzi, A.; Lepanto, D.; Morini, S.; Russo, A.; Bazan, V.; Tomasino, R.; Morello, V.; Tonini, G.; Rabitti, C.
  • Anno di pubblicazione: 2007
  • Tipologia: Articolo in rivista (Articolo in rivista)
  • OA Link:


Reelin is a glycoprotein that plays a critical role in the regulation of neuronal migration during brain development and, since reelin has a role in the control of cell migration, it might represents an important factor in cancer pathology. In this study, 66 surgical specimens of prostate cancer were analyzed for reelin expression by immunohistochemical method. The reelin expression was correlated with Gleason score and individual Gleason patterns. Reelin expression was found in 39% prostate cancers. Stromal tissues, normal epithelial cells and prostate intraepithelial neoplasia (PIN) of any grade around and distant from cancer were always negative for reelin. Reelin was found in malignant prostatic epithelial glands of 50% cases Gleason score 10, 52% Gleason score 9, 56% Gleason score 8, 18% Gleason score 7, while no sample of prostate cancers with Gleason score 6 showed reelin expression (P=0,005). As reelin staining is frequently found in high Gleason score prostate cancers, we explored whether reelin expression is influenced by single Gleason patterns.