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Email: info@nsjbio.com
- Tel: 858.663.9055
- Email: info@nsjbio.com
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Prostate specific antigen (KLK3) is a secreted serine protease encoded by the KLK3 gene and produced predominantly by luminal epithelial cells of the prostate gland. The protein is widely known as Prostate specific antigen or PSA and belongs to the kallikrein related peptidase family of serine proteases. PSA Antibody Rabbit Monoclonal KLK3/2871R recognizes the KLK3 protein and enables detection of PSA expression in studies focused on prostate epithelial biology and prostate cancer.
PSA is synthesized as a precursor enzyme that contains a signal peptide and propeptide sequence that are removed during secretion and enzymatic activation. The mature enzyme is released into the lumen of prostatic glands where it functions as a protease in seminal plasma. PSA cleaves semenogelin proteins and related substrates, promoting liquefaction of the seminal coagulum after ejaculation and contributing to normal reproductive physiology.
In normal prostate tissue, KLK3 expression is largely restricted to luminal epithelial cells lining prostatic acini and ducts. The protein is typically localized to the cytoplasm and luminal secretions of glandular epithelial cells, reflecting active synthesis and secretion of PSA by prostate epithelium. This highly restricted tissue distribution has made PSA one of the most widely used markers for identifying prostate epithelial differentiation in biological and cancer research studies.
PSA expression is commonly retained in prostate adenocarcinoma and in metastatic tumors derived from prostate tissue. Detection of Prostate specific antigen therefore provides valuable biological information when investigating prostate tumor differentiation, tumor origin, and the cellular lineage of prostate-derived malignancies. Analysis of PSA expression patterns can help researchers examine prostate tumor progression and the biological characteristics of prostate cancer cells.
PSA Antibody Rabbit Monoclonal KLK3/2871R provides a reagent for detecting KLK3 protein in studies of prostate tissue biology and prostate cancer models. Monoclonal antibodies recognize a defined epitope within the target antigen, enabling consistent antigen recognition and supporting investigation of PSA expression in molecular and cellular research systems.
1. The optimal dilution of the PSA Antibody Rabbit Monoclonal KLK3/2871R for each application should be determined by the researcher.
2. The prediluted format is supplied in a dropper bottle and is optimized for use in IHC. After epitope retrieval step (if required), drip mAb solution onto the tissue section and incubate at RT for 30 min.
3. This MAb makes an excellent pair with mAb A67-B/E3 for PSA tests.
Recombinant human protein was used as the immunogen for this recombinant PSA antibody.
Store the recombinant PSA antibody at 2-8oC (with azide) or aliquot and store at -20oC or colder (without azide).
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