Abstract

Monoclonal antibodies with high specificity for prostate tissue are of interest for prostate cancer research and treatment. Reactivity and specificity of a new murine monoclonal antibody, 107-1A4, was assessed by immunohistochemistry, ELISA and indirect immunofluorescence (IDIF). 107-1A4 stained all normal and malignant prostate tissue specimens while reactivity to non-prostate tissue was limited to the tubules of the normal kidney and renal cell carcinoma. Twenty two human cell lines were included in the reactivity survey; only the immunogen prostate cancer line LNCaP reacted with 107-1A4. Seminal plasma proteins PSA, PAP, PSMA, and PSP-94 were determined not to be the 107-1A4 antigen.

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