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Contrasting effects of cold acclimation versus obesogenic diets on chemerin gene expression in brown and brite adipose tissues
Stockholm University, Faculty of Science, Department of Molecular Biosciences, The Wenner-Gren Institute.
Stockholm University, Faculty of Science, Department of Molecular Biosciences, The Wenner-Gren Institute.
Stockholm University, Faculty of Science, Department of Molecular Biosciences, The Wenner-Gren Institute.
Stockholm University, Faculty of Science, Department of Molecular Biosciences, The Wenner-Gren Institute.
2014 (English)In: Biochimica et Biophysica Acta - Molecular and Cell Biology of Lipids, ISSN 1388-1981, E-ISSN 1879-2618, Vol. 1841, no 12, 1691-1699 p.Article in journal (Refereed) Published
Abstract [en]

Based on results from a signal sequence trap, we investigated chemerin gene expression in brown adipose tissue. Male NMRI mice were exposed to 30, 22 or 4 degrees C for 3 weeks, or were fed control (chow) diet, cafeteria diet or high-fat diet at thermoneutrality for the same time. In brown adipose tissue, cold acclimation strongly diminished chemerin gene expression, whereas obesogenic diets augmented expression. Qualitatively, changes in expression were paralleled in brite/beige adipose tissues (e.g. inguinal), whereas white adipose tissue (epididymal) and muscle did not react to these cues. Changes in tissue expression were not directly paralleled by alterations in plasma levels. Both these intact animal studies and brown adipocyte cell culture studies indicated that the gene expression regulation was not congruent with a sympathetic/adrenergic control. The data are discussed in relation to suggested endocrine, paracrine and autocrine effects of chemerin.

Place, publisher, year, edition, pages
2014. Vol. 1841, no 12, 1691-1699 p.
Keyword [en]
Chemerin, UCP1, Non-shivering thermogenesis, High-fat diet, Cafeteria diet
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:su:diva-111403DOI: 10.1016/j.bbalip.2014.09.003ISI: 000345727800007OAI: oai:DiVA.org:su-111403DiVA: diva2:775791
Note

AuthorCount:4;

Available from: 2015-01-05 Created: 2015-01-02 Last updated: 2017-12-05Bibliographically approved

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Hansen, Ida R.Cannon, BarbaraNedergaard, Jan
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