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  • Gustafsson, Karin L.,1987Gothenburg University,Göteborgs universitet,Centre for Bone and Arthritis Research,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition (author)

A tissue-specific role of membrane-initiated ERα signaling for the effects of SERMs

  • Article/chapterEnglish2022

Publisher, publication year, extent ...

  • 2022

Numbers

  • LIBRIS-ID:oai:gup.ub.gu.se/319578
  • https://gup.ub.gu.se/publication/319578URI
  • https://doi.org/10.1530/JOE-21-0398DOI

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  • Language:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Selective estrogen receptor modulators (SERMs) act as estrogen receptor (ER) agonists or antagonists in a tissue-specific manner. ERs exert effects via nuclear actions but can also utilize membrane-initiated signaling pathways. To dete rmine if membrane-initiated ERα (mERα) signaling affects SERM action in a tissue-specific manner, C451 A mice, lacking mERα signaling due to a mutation at palmitoylation site C451, were treated with Lasofoxifene (Las), Bazedoxifene (Bza), or estradi ol (E2), and various tissues were evaluated. Las and Bza treatment increased uterine weight to a similar extent in C451A and control mice, demonstrating mERα-independent uterine SERM effects, while the E2 effect on the uterus was predominantly mER α-dependent. Las and Bza treatment increased both trabecular and cortical bone mass in controls to a similar degree as E2, while both SERM and E2 treatment effects were abse nt in C451A mice. This demonstrates that SERM effects, similar to E2 effects, in th e skeleton are mERα- dependent. Both Las and E2 treatment decreased thymus weight in controls, while neither treatment affected the thymus in C451A mice, demonstrati ng mERα-dependent SERM and E2 effects in this tissue. Interestingly, both SERM and E2 treatments decreased the total body fat percent in C451A mice, demonstrating the ability of these treatments to affect fat tissue in the absence of functional mER α signaling. In conclusion, mERα signaling can modulate SERM responses in a tissue-specific manne r. This novel knowledge increases the understanding of the mechanisms behind SERM effects and may thereby facilitate the development of new improved SERMs.

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  • Movérare-Skrtic, SofiaGothenburg 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)xmovso (author)
  • Farman, Helen H.,1983Gothenburg 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)xfarhe (author)
  • 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(Swepub:gu)xhakce (author)
  • Henning, Petra,1974Gothenburg University,Göteborgs universitet,Centre for Bone and Arthritis Research,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition(Swepub:gu)xhenpe (author)
  • Nilsson, Karin H.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 Nutrition(Swepub:gu)xnkarl (author)
  • Scheffler, Julia M.Gothenburg 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 (author)
  • Sehic, EdinaGothenburg University,Göteborgs universitet,Centre for Bone and Arthritis Research,Institutionen för kliniska vetenskaper, Avdelningen för obstetrik och gynekologi,Institute of Clinical Sciences, Department of Obstetrics and Gynecology(Swepub:gu)xsehed (author)
  • Islander, Ulrika,1975Gothenburg 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)xislul (author)
  • Levin, E. (author)
  • Ohlsson, Claes,1965Gothenburg University,Göteborgs universitet,Centre for Bone and Arthritis Research,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition(Swepub:gu)xohlcl (author)
  • Lagerquist, Marie KGothenburg University,Göteborgs universitet,Centre for Bone and Arthritis Research,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition(Swepub:gu)xlmarv (author)
  • Göteborgs universitetCentre for Bone and Arthritis Research (creator_code:org_t)

Related titles

  • In:Journal of Endocrinology253:2, s. 75-840022-0795

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