prostate specific antigen

Thesaurus

Noun

prostate specific antigen - a protein manufactured exclusively by the prostate gland; PSA is produced for the ejaculate where it liquifies the semen and allows sperm cells to swim freely; elevated levels of PSA in blood serum are associated with benign prostatic hyperplasia and prostate cancerPSAprotein - any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes; "a diet high in protein"

prostate specific antigen

[¦prä‚stāt spə‚sif·ik ′ant·i·jən] (immunology) A glycoprotein with 240 amino acids that is expressed exclusively by human prostate epithelial cells and that exhibits protease activity; elevated levels in the blood are detected in individuals with prostate cancer. Abbreviated PSA.

Prostate specific antigen

KLK3

A gene on chromosome 19q13.41 that encodes a serine protease with diverse physiological functions, which may also have a role in carcinogenesis. KLK3 hydrolyses semenogelin-1, leading to the liquefaction of the seminal coagulum.

PSA (Prostate specific antigen)

A tumor marker associated with prostate cancer.Mentioned in: Tumor Markers

Patient discussion about Prostate specific antigen

Q. Would kidney stones affect a PSA reading? Would drinking lots of grapefruit juice affect a PSA reading? My husband's PSA reading jumped from a 4.2 to a 17 in @ 2 years' time. How can that be? This man takes all sorts of supplements and really watches his diet. He also takes good care of his body, and does NOT look or act 68.A. You should get your parathyroid gland checked out. Your calcium level might be causing the kidney stones.

Q. Rising PSA to 10 with two negative biospies? Expect cancer? 67 yrs old in good health otherwise.A. High values don't always mean it's cancer. At 67 years old, you're prostate is most likely enlarging, resulting in the higher PSA results. And after two negative biopsies, it sounds like you're in the clear. Like Brandon said though, keep up with your regular check ups.
Source: http://www.northshore.org/healthresources/encyclopedia/encyclopedia.aspx?Version=Q3_08&DocumentHwid=hw5522&ViewHwid=hw5548

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prostate specific antigen

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