Abstract:
:BALB/c mice were hyperimmunized against a membrane preparation derived from a pool of transurethral resection specimens which included three benign prostatic hyperplasia and one prostate adenocarcinoma tissue samples. The activated lymphocytes were fused with the NS-1 mouse myeloma cell line, and supernatants from immunogen-reactive hybridomas were screened for antibody binding activity using a solid-phase radioimmunoassay against the Calu-1 human lung adenocarcinoma cell line and several membrane preparations derived from various normal human tissues. Hybridoma cultures secreting antibodies which did not appear cross-reactive were doubly cloned by limiting dilution and screened against a large panel of membrane preparations derived from normal prostate, benign prostatic hyperplasia, and prostate adenocarcinoma tissues as well as samples obtained from a variety of normal human tissues. The monoclonal antibodies were also evaluated against 24 normal, virally transformed, and malignant human cell lines. Two monoclonal antibodies were isolated which demonstrated a restricted binding activity to prostate antigens and were not widely cross-reactive with nonprostate normal tissues or cell lines. These antibodies were designated TURP-27 (IgG3, k) and TURP-73 (IgG2a, k). Both of these monoclonal antibodies were reactive against formalin-fixed, paraffin-embedded tissues in the immunoperoxidase assay and were subsequently tested against a variety of normal, hyperplastic, and malignant human tissues. These studies indicated that TURP-27 may be directed against a new prostate organ-associated marker and that TURP-73 is directed against an antigen expressed on prostate and a limited number of other tissues.
journal_name
Cancer Resjournal_title
Cancer researchauthors
Starling JJ,Sieg SM,Beckett ML,Wirth PR,Wahab Z,Schellhammer PF,Ladaga LE,Poleskic S,Wright GL Jrsubject
Has Abstractpub_date
1986-01-01 00:00:00pages
367-74issue
1eissn
0008-5472issn
1538-7445journal_volume
46pub_type
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