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Increased Estrogen ...
Increased Estrogen Rather Than Decreased Androgen Action Is Associated with Longer Androgen Receptor CAG Repeats.
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Huhtaniemi, Ilpo T (författare)
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Pye, Stephen R (författare)
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Limer, Kate L (författare)
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visa fler...
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Thomson, Wendy (författare)
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O'Neill, Terence W (författare)
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Platt, Hazel (författare)
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Payne, Debbie (författare)
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John, Sally L (författare)
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Jiang, Min (författare)
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Boonen, Steven (författare)
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Borghs, Herman (författare)
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Vanderschueren, Dirk (författare)
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Adams, Judith E (författare)
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Ward, Kate A (författare)
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Bartfai, György (författare)
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Casanueva, Felipe (författare)
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Finn, Joseph D (författare)
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Forti, Gianni (författare)
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- Giwercman, Aleksander (författare)
- Lund University,Lunds universitet,Reproduktionsmedicin, Malmö,Forskargrupper vid Lunds universitet,Reproductive medicine, Malmö,Lund University Research Groups
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Han, Thang S (författare)
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Kula, Krzysztof (författare)
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Lean, Michael E J (författare)
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Pendleton, Neil (författare)
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Punab, Margus (författare)
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Silman, Alan J (författare)
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Wu, Frederick C W (författare)
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(creator_code:org_t)
- The Endocrine Society, 2009
- 2009
- Engelska.
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Ingår i: Journal of Clinical Endocrinology and Metabolism. - : The Endocrine Society. - 1945-7197 .- 0021-972X. ; 94, s. 277-284
- Relaterad länk:
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http://www.ncbi.nlm.... (free)
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http://dx.doi.org/10... (free)
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https://academic.oup...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- Context: The individual variability in the waning androgenic-anabolic functions of aging men may be influenced by the CAG repeat polymorphism in exon 1 of the androgen receptor (AR), affecting androgen sensitivity. However, findings on its phenotypic effects are inconclusive. Objective: To investigate the relationships between health status, various reproductive hormones and the AR CAG repeat length. Design: A multi-national prospective cohort observational study - cross-sectional baseline data. Setting: Population survey of community-dwelling men. Participants: Men (40-79-yr-old; n=3,369) randomly recruited from centers in eight European countries; CAG repeat analysis was performed in 2,878 men. Main outcome measures: The correlations of the CAG repeat length with selected endocrine, metabolic and phenotypic parameters related to aging and sex hormone action. Results: Only minor differences were found in CAG repeat lengths between the eight European countries. They showed significant positive association with total, free and bioavailable levels of testosterone (T) and estradiol (E2). FSH but not LH correlated inversely with CAG repeat length. Significant associations were found with bone ultrasound parameters at the calcaneus. Negative correlation was found with triglycerides, but not with other blood lipids, or with anthropometry, blood pressure, hemoglobin, insulin sensitivity, or sexual and prostatic functions. Conclusions: The AR CAG repeat length correlates significantly with serum T and E2 of aging men. Weaker transcriptional activity of the AR with longer CAG-encoded polyglutamine repeats appears to be totally or near-totally compensated for by higher T levels. The residual phenotypic correlations may reflect differences in estrogen levels/actions following aromatization of the higher T levels.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Reproduktionsmedicin och gynekologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Obstetrics, Gynaecology and Reproductive Medicine (hsv//eng)
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Huhtaniemi, Ilpo ...
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Pye, Stephen R
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Limer, Kate L
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Thomson, Wendy
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O'Neill, Terence ...
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Platt, Hazel
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visa fler...
-
Payne, Debbie
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John, Sally L
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Jiang, Min
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Boonen, Steven
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Borghs, Herman
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Vanderschueren, ...
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Adams, Judith E
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Ward, Kate A
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Bartfai, György
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Casanueva, Felip ...
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Finn, Joseph D
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Forti, Gianni
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Giwercman, Aleks ...
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Han, Thang S
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Kula, Krzysztof
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Lean, Michael E ...
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Pendleton, Neil
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Punab, Margus
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Silman, Alan J
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Wu, Frederick C ...
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visa färre...
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- MEDICIN OCH HÄLSOVETENSKAP
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MEDICIN OCH HÄLS ...
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och Klinisk medicin
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och Reproduktionsmed ...
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Journal of Clini ...
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Lunds universitet