SHOCKING: Prostate cancer may be sexually transmitted
By Catholic Online (NEWS CONSORTIUM)
5/20/2014 (3 years ago)
Catholic Online (www.catholic.org)
Solid evidence and proof remains lacking - but there are a growing number of researchers who now say that prostate cancer may be sexually transmitted. They maintain that a common, yet often silent infection passed on during intercourse may cause the condition.
In trichomoniasis, females may notice itching or soreness of the genitals, discomfort with urination, or a discharge with an unpleasant fishy smell.
LOS ANGELES, CA (Catholic Online) - In the meantime, Cancer Research U.K. says it's far too early to add prostate cancer to this list.
In the meantime, University of California scientists tested human prostate cells in the lab. Trichomoniasis, a sex infection reportedly aided cancer growth.
More research is now needed to confirm the link, they say in the journal Proceedings of the National Academy of Sciences.
Trichomoniasis is believed to infect some 275 million people worldwide and is the most common non-viral sexually transmitted infection. A patient may have no symptoms and be unaware that they have it.
Men may feel itching or irritation inside the penis, burning after urination or ejaculation, or a white discharge from the penis. Females may notice itching or soreness of the genitals, discomfort with urination, or a discharge with an unpleasant fishy smell.
It's not the first time that a link between trichomoniasis and prostate cancer has been suggested. A study in 2009 found a quarter of men with prostate cancer showed signs of trichomoniasis, and these men were more likely to have advanced tumors.
The more recent study suggests that the sexually transmitted infection might make men more vulnerable to prostate cancer. There is no definite proof of such a link.
Professor Patricia Johnson and colleagues found the parasite that causes trichomoniasis, Trichomonas vaginalis, secretes a protein that causes inflammation and increased growth and invasion of benign and cancerous prostate cells.
More studies should follow to further explore this finding, as we still do not know what causes prostate cancer.
"This study suggests a possible way the parasite Trichomonas vaginalis could encourage prostate cancer cells to grow and develop more quickly," Nicola Smith, health information officer at Cancer Research U.K. says.
"But the research was only done in the lab, and previous evidence in patients failed to show a clear link between prostate cancer and this common sexually transmitted infection.
"There's been a lot of research into prostate cancer risk and we're working hard to piece together the puzzle.
"But there are still no known lifestyle factors that seem to affect the risk of developing the disease - and no convincing evidence for a link with infection.
"The risk of prostate cancer is known to increase with age."
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