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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.
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.
THE PSA IS a good initial “check engine light” for the prostate, says Garrett Pohlman, M.D., a urologist and host of The Prostate Health Podcast. But it can just tell you that PSA levels are ...
Prostate cancer screening is the screening process used to detect undiagnosed prostate cancer in men without signs or symptoms. [1] [2] When abnormal prostate tissue or cancer is found early, it may be easier to treat and cure, but it is unclear if early detection reduces mortality rates.
PSA, the industry leader in the important task of grading cards, is slowly resuming its operations. Until then, a booming billion dollar sports card market must sit and wait.
This caused some people to question the legitimacy of PSA as a 3rd party grading service. [1] In 2005, PSA Grader Bill Hughes, a grader of the T206 Honus Wager card, admitted in an interview with New York Daily News reporter Michael O'Keeffe that he knew the card had been trimmed when he graded the card. [3]
It's the most wonderful—and stressful—time of the year. While the holiday season can be joyful, gatherings with family, friends, and colleagues inevitably come with some awkward encounters.
Standish served as Vice President of Professional Sports Authenticator (PSA) and launched PSA/DNA First autograph Sammy Sosa- authentication from 1996 to 2001. During that time, Standish authenticated a number of high-profile sports items including Mark McGwire ’s 70th home run ball [ 13 ] and Henry Aaron ’s 715th home run bat and ball. [ 14 ]