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Prostate-specific antigen (PSA), also known as gamma-seminoprotein or kallikrein-3 (KLK3), P-30 antigen, is a glycoprotein enzyme encoded in humans by the KLK3 gene.PSA is a member of the kallikrein-related peptidase family and is secreted by the epithelial cells of the prostate gland in men and the paraurethral glands in women.
Richard J. Ablin (May 15, 1940 – October 6, 2023) [1] was an American scientist, most notable for research on prostate cancer.According to the Wall Street Journal: . Richard Ablin, a professor of pathology at University of Arizona College of Medicine, discovered the prostate-specific antigen (PSA) in 1970, and for nearly as long, he has argued that it should not be used for routine screening.
Prostate-specific antigen. Prostate-specific antigen (PSA) is secreted by the epithelial cells of the prostate gland and can be detected in a sample of blood. [14] PSA is present in small quantities in the serum of men with healthy prostates, but is often elevated in the presence of prostate cancer or other prostate disorders. [15]
A PSMA scan is a nuclear medicine imaging technique used in the diagnosis and staging of prostate cancer. It is carried out by injection of a radiopharmaceutical with a positron or gamma emitting radionuclide and a prostate-specific membrane antigen (PSMA) targeting ligand.
56318 Ensembl ENSG00000014257 ENSMUSG00000032561 UniProt P15309 Q8CE08 RefSeq (mRNA) NM_001099 NM_001134194 NM_001292037 NM_019807 NM_207668 RefSeq (protein) NP_001090 NP_001127666 NP_001278966 NP_062781 NP_997551 Location (UCSC) Chr 3: 132.32 – 132.37 Mb Chr 9: 104.17 – 104.21 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Prostatic acid phosphatase (PAP), also prostatic ...
Prostate cancer is the uncontrolled growth of cells in the prostate, a gland in the male reproductive system below the bladder.Abnormal growth of prostate tissue is usually detected through screening tests, typically blood tests that check for prostate-specific antigen (PSA) levels.
However, only recently has the labeled antibody been applied to measurement of antigen to sample. The method converts the unknown antigen into a traceable radioactive product. Immunoradiometric assay (IRMA) was first introduced by "Miles and Hales" in 1968, who proposed certain theoretical advantages of the method with regard to improving the ...
Indeed, the initial cloning of the cDNA encoding the gene expressing PSMA was accomplished with RNA from a prostate tumor cell line, LNCaP. PSMA was first detected in the LNCaP cell line using the murine monoclonal antibody 7E11-C5.3 (also known by the name capromab), generated from murine spleen cells treated with LNCaP cell membranes. However ...