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Mol Urol. 2000 Fall;4(3):101-6;discussion 107.

Immunohistochemical changes in prostate cancer after androgen deprivation therapy.

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Bostwick Laboratories, Richmond, Virginia 23294, USA.


Androgen deprivation induces substantial changes in the phenotype of prostate cancer that are accompanied by alterations in protein expression. Immunohistochemical studies allow precise cellular localization of such expression, thereby providing an understanding of the biochemical alterations caused by therapy. Expression of proteins may be increased (e.g., multiple growth factors, heat shock protein), decreased (e.g., microvessel density, proliferation markers, certain integrins), or remain unchanged (e.g., prostate specific antigen, prostatic acid phosphatase, prostate-specific membrane antigen, and other secretory proteins). Variations in immunoreactivity may be of prognostic value in some patients. This report summarizes the existing literature regarding changes in tissue expression of proteins, as determined by immunohistochemistry, and the clinical implications of these changes.

[Indexed for MEDLINE]

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