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A 33-year-old member asked:

Can you please explain the function of prostate-specific antigen in normal cells?

1 doctor answer1 doctor weighed in
Dr. Terence Chapman
Urologic Oncology 26 years experience
See answer: Prostate specific antigen (psa) is an enzyme which is secreted by the prostate gland and appears to play a role in the liquefaction of semen. Thus it has more of an "exocrine" function vs and endocrine function which imply a role in the physiologic or cellular processes of the body itself.

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A 30-year-old member asked:

What is the function of prostate-specific antigen in normal males?

1 doctor answer1 doctor weighed in
Dr. Bac Nguyen
Family Medicine 23 years experience
A functional protein: It is a glycoprotein made by the cells of the prostate. Psa liquefies/thins out the semen in the seminal glands and allows sperm to swim freely. It is also believed to be instrumental in dissolving the cervical mucus, allowing the entry of sperm into the uterus and up etc....Beyond that, I have no idea what else it does. It is used as tumor marker for prostate cancer monitoring etc..Good luck.

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Last updated Apr 10, 2013
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