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Sökning: WFRF:(Gustafsson Claes) > (2020-2024) > Inactivation of AR ...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003417naa a2200457 4500
001oai:gup.ub.gu.se/321642
003SwePub
008240528s2022 | |||||||||||000 ||eng|
024a https://gup.ub.gu.se/publication/3216422 URI
024a https://doi.org/10.1210/endocr/bqac0802 DOI
040 a (SwePub)gu
041 a eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Kim, N. R.4 aut
2451 0a Inactivation of AR or ERα in Extrahypothalamic Neurons Does not Affect Osteogenic Response to Loading in Male Mice
264 c 2022-05-29
264 1b The Endocrine Society,c 2022
520 a Failure of bone mass maintenance in spite of functional loading is an important contributor to osteoporosis and related fractures. While the link between sex steroids and the osteogenic response to loading is well established, the underlying mechanisms are unknown, hampering clinical relevance. Androgens inhibit mechanoresponsiveness in male mice, but the cell type mediating this effect remains unidentified. To evaluate the role of neuronal sex steroid receptor signaling in the male bone's adaptive capacity, we subjected adult male mice with an extrahypothalamic neuron-specific knockout of the androgen receptor (N-ARKO) or the estrogen receptor alpha (N-ERαKO) to in vivo mechanical stimulation of the tibia. Loading increased cortical thickness in the control animals mainly through periosteal expansion, as total cross-sectional tissue area and cortical bone area but not medullary area were higher in the loaded than the unloaded tibia. Trabecular bone volume fraction also increased upon loading in the control group, mostly due to trabecular thickening. N-ARKO and N-ERαKO males displayed a loading response at both the cortical and trabecular bone compartments that was not different from their control littermates. In conclusion, we show that the presence of androgen receptor or estrogen receptor alpha in extrahypothalamic neurons is dispensable for the osteogenic response to mechanical loading in male mice.
650 7a MEDICIN OCH HÄLSOVETENSKAPx Klinisk medicinx Endokrinologi och diabetes0 (SwePub)302052 hsv//swe
650 7a MEDICAL AND HEALTH SCIENCESx Clinical Medicinex Endocrinology and Diabetes0 (SwePub)302052 hsv//eng
653 a Bone
653 a Mechanical loading
653 a Neurons
653 a Testosterone
700a David, K.4 aut
700a Sommers, V.4 aut
700a Schollaert, D.4 aut
700a Deboel, L.4 aut
700a Ohlsson, Claes,d 1965u Gothenburg 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 Nutrition4 aut0 (Swepub:gu)xohlcl
700a Gustafsson, J. A.4 aut
700a Antonio, L.4 aut
700a Decallonne, B.4 aut
700a Claessens, F.4 aut
700a Vanderschueren, D.4 aut
700a Dubois, V.4 aut
710a Göteborgs universitetb Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition4 org
773t Endocrinologyd : The Endocrine Societyg 163:7q 163:7x 0013-7227x 1945-7170
8564 8u https://gup.ub.gu.se/publication/321642
8564 8u https://doi.org/10.1210/endocr/bqac080

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