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prostate gland cancer is the secondly - most vulgar cancer among men in the United States , according to the American Cancer Society , and almost 30,000 American men cash in one’s chips each year from the disease .
An international team of medical research worker has now found evidence linkingprostate cancerto a common sexually transmitted contagion known as trichomoniasis , or simply " trich . "
Trichomonas vaginalis, the parasite that causes trichomoniasis.
because of the parasiteTrichomonas vaginalis , trich is one of the most common sexually transmitted infections , affecting some 3.7 million people in the United States . But about 70 pct of people infected with trich never show any symptoms of the disease , according to the Centers for Disease Control and Prevention ( CDC ) . [ 10 Do ’s and Don’ts to Reduce Your Risk of Cancer ]
Can infection lead to cancer ?
investigator from UCLA and the University of Sassari in Italy found that theT. vaginalisparasite secretes a protein that not only promotes inflammation in the prostate gland , but also increases the growth rate of both benign and cancerous prostate gland cell .
That protein — T. vaginalismacrophage migration inhibitory factor , or TvMIF — is unco similar to another protein that ’s elevated amongprostate Cancer the Crab patients , human macrophage migration inhibitory factor , or HuMIF .
" This study suggest a potential way the parasiteTrichomonas vaginaliscould further prostate cancer cell to grow and develop more quickly , " Nicola Smith , health data officer at Cancer Research UK , told theBBC .
The latest cogitation , issue in the Proceedings of the National Academy of Sciences ( PNAS ) , support an earlier cogitation from 2009 .
That study , published in the Journal of the National Cancer Institute , encounter that world with antibodies toT. vaginaliswere more than twice as potential to develop an aggressive figure of prostate Crab that spread outside the prostate .
" Together , these datum indicate that chronicT. vaginalisinfections may result in TvMIF - driven inflammation and cell proliferation , thus triggering pathways that bring to the promotion and progression of prostate malignant neoplastic disease , " the authors of the PNAS written report wrote .
No cause - and - upshot link
Researchers are quick to caution that no make - and - outcome link betweenT. vaginalisinfection and prostate Crab has ever been established .
" The enquiry was only done in the lab , " Smith enounce of the PNAS study , " and previous evidence in patients failed to show a clear link between prostate cancer and this commonsexually convey infection .
" There are still no known life style factors that seem to impact the peril of developing the disease — and no convincing evidence for a connection with infection , " Smith add together . " There ’s been a fortune of research into prostate Crab peril and we ’re work intemperately to piece together the puzzle . "
wanton to handle , hard to detect
Trichomoniasis is well cured with antibiotics , but many infected people never get treatment because they never show any symptom of the sexually transmitted infection , which they can carry for age .
Some men with trich may feel an itching or irritation inside the penis ; a burning sensation after micturition or ejaculation ; or some discharge from the penis , according to the CDC .
And woman with the infection who have any symptoms may point out itchiness , burning , redness or soreness of the genitals ; soreness with urination ; or a arc that is clear , white or chicken - green in color .
