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Role of Androgen an...
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Engdahl, Cecilia,1983Gothenburg University,Göteborgs universitet,Centre for Bone and Arthritis Research,Institutionen för medicin, avdelningen för reumatologi och inflammationsforskning,Institute of Medicine, Department of Rheumatology and Inflammation Research
(author)
Role of Androgen and Estrogen Receptors for the Action of Dehydroepiandrosterone (DHEA)
- Article/chapterEnglish2014
Publisher, publication year, extent ...
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The Endocrine Society,2014
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electronicrdacarrier
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LIBRIS-ID:oai:gup.ub.gu.se/196536
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https://gup.ub.gu.se/publication/196536URI
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https://doi.org/10.1210/en.2013-1561DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-102960URI
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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Dehydroepiandrosterone (DHEA) is an abundant steroid hormone, and its mechanism of action is yet to be determined. The aim of this study was to elucidate the importance of androgen receptors (ARs) and estrogen receptors (ERs) for DHEA function. Orchidectomized C57BL/6 mice were treated with DHEA, DHT, 17 beta-estradiol-3-benzoate (E2), or vehicle. Orchidectomized AR-deficient (ARKO) mice and wild-type (WT) littermates were treated with DHEA or vehicle for 2.5 weeks. At termination, bone mineral density (BMD) was evaluated, thymus and seminal vesicles were weighted, and submandibular glands (SMGs) were histologically examined. To evaluate the in vivo ER activation of the classical estrogen signaling pathway, estrogen response element reporter mice were treated with DHEA, DHT, E2, or vehicle, and a reporter gene was investigated in different sex steroid-sensitive organs after 24 hours. DHEA treatment increased trabecular BMD and thymic atrophy in both WT and ARKO mice. In WT mice, DHEA induced enlargement of glands in the SMGs, whereas this effect was absent in ARKO mice. Furthermore, DHEA was able to induce activation of classical estrogen signaling in bone, thymus, and seminal vesicles but not in the SMGs. In summary, the DHEA effects on trabecular BMD and thymus do not require signaling via AR and DHEA can activate the classical estrogen signaling in these organs. In contrast, DHEA induction of gland size in the SMGs is dependent on AR and does not involve classical estrogen signaling. Thus, both ERs and ARs are involved in mediating the effects of DHEA in an organ-dependent manner.
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Lagerquist, Marie KGothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Centre for Bone and Arthritis Research,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition(Swepub:gu)xlmarv
(author)
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Stubelius, Alexandra,1983Gothenburg University,Göteborgs universitet,Centre for Bone and Arthritis Research,Institutionen för medicin, avdelningen för reumatologi och inflammationsforskning,Institute of Medicine, Department of Rheumatology and Inflammation Research(Swepub:gu)xkalex
(author)
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Andersson, Annica,1983Gothenburg University,Göteborgs universitet,Centre for Bone and Arthritis Research,Institutionen för medicin, avdelningen för reumatologi och inflammationsforskning,Institute of Medicine, Department of Rheumatology and Inflammation Research(Swepub:gu)xaannq
(author)
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Studer, ErikGothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för farmakologi,Institute of Neuroscience and Physiology, Department of Pharmacology(Swepub:gu)xstude
(author)
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Ohlsson, Claes,1965Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition(Swepub:gu)xohlcl
(author)
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Westberg, Lars,1973Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för farmakologi,Institute of Neuroscience and Physiology, Department of Pharmacology(Swepub:gu)xwelar
(author)
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Carlsten, Hans,1954Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för reumatologi och inflammationsforskning,Centre for Bone and Arthritis Research,Institute of Medicine, Department of Rheumatology and Inflammation Research(Swepub:gu)xcahan
(author)
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Forsblad d'Elia, Helena,1961Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för reumatologi och inflammationsforskning,Centre for Bone and Arthritis Research,Institute of Medicine, Department of Rheumatology and Inflammation Research,Department of Rheumatology and Inflammation Research, Sahlgrenska Academy at University of Gothenburg(Swepub:umu)hefo0034
(author)
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Göteborgs universitetCentre for Bone and Arthritis Research
(creator_code:org_t)
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In:Endocrinology: The Endocrine Society155:3, s. 889-8960013-72271945-7170
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