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Comparable amounts ...
Comparable amounts of sex steroids are made outside the gonads in men and women: Strong lesson for hormone therapy of prostate and breast cancer.
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Labrie, Fernand (författare)
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Cusan, Leonello (författare)
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Gomez, José Luis (författare)
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Martel, Céline (författare)
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Bérubé, René (författare)
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Bélanger, Patrick (författare)
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Bélanger, Alain (författare)
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- Vandenput, Liesbeth, 1974 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin,Institute of Medicine, Department of Internal Medicine
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- Mellström, Dan, 1945 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för samhällsmedicin och folkhälsa,Institute of Medicine, School of Public Health and Community Medicine
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- Ohlsson, Claes, 1965 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin,Institute of Medicine, Department of Internal Medicine
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(creator_code:org_t)
- Elsevier BV, 2009
- 2009
- Engelska.
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Ingår i: The Journal of steroid biochemistry and molecular biology. - : Elsevier BV. - 0960-0760. ; 113:1-2, s. 52-6
- Relaterad länk:
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The objective of this study was comparison of circulating androgens and their metabolites as well as estrogens measured for the first time by a validated mass spectrometry technology in 60-80-year-old men and women of comparable age. Castration in men (n=34) reduces the total androgen pool by only about 60% as indicated by the decrease in the serum levels of the glucuronide metabolites of androgens compared to intact men (n=1302). Such data are in agreement with the 50 to 75% decrease in intraprostatic dihydrotestosterone (DHT) concentration after castration. Most interestingly, the same amounts of androgens and estrogens are found in postmenopausal women (n=369) and castrated men of comparable age. The most significant therapeutic implication of these findings is the absolute need to add a pure (nonsteroidal) antiandrogen to castration in men with prostate cancer in order to block the action of the 25 to 50% DHT left in the prostate after castration. Not adding an antiandrogen to castration in men treated for prostate cancer is equivalent to not prescribing a blocker of estrogens in women suffering from breast cancer because they are postmenopausal and have low circulating estradiol.
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Labrie, Fernand
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Cusan, Leonello
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Gomez, José Luis
-
Martel, Céline
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Bérubé, René
-
Bélanger, Patric ...
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visa fler...
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Bélanger, Alain
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Vandenput, Liesb ...
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Mellström, Dan, ...
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Ohlsson, Claes, ...
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Göteborgs universitet