Chronic social defeat stress disrupts regulation of lipid synthesis

Jen Chieh Chuang, Huxing Cui, Brittany L. Mason, Melissa Mahgoub, Angie L. Bookout, Hana G. Yu, Mario Perello, Joel K. Elmquist, Joyce J. Repa, Jeffrey M. Zigman, Michael Lutter

Research output: Contribution to journalArticle

62 Citations (Scopus)

Abstract

Several psychiatric disorders increase the risk of cardiovascular disease, including posttraumatic stress disorder and major depression. While the precise mechanism for this association has not yet been established, it has been shown that certain disorders promote an unfavorable lipid profile. To study the interaction of stress and lipid dysregulation, we utilized chronic social defeat stress (CSDS), a mouse model of chronic stress with features of posttraumatic stress disorder and major depression. Following exposure to CSDS, mice were given access to either regular chow or a Western-style diet high in fat and cholesterol (HFD). The combination of social stress and HFD resulted in significant perturbations in lipid regulation, including two key features of the metabolic syndrome: increased plasma levels of non - HDL cholesterol and intrahepatic accumulation of triglycerides. These effects were accompanied by a number of changes in the expression of hepatic genes involved in lipid regulation. Transcriptional activity of LXR, SREBP1c, and ChREBP were significantly affected by exposure to HFD and CSDS. We present CSDS as a model of social stress induced lipid dysregulation and propose that social stress alters lipid metabolism by increasing transcriptional activity of genes involved in lipid synthesis.

Original languageEnglish (US)
Pages (from-to)1344-1353
Number of pages10
JournalJournal of Lipid Research
Volume51
Issue number6
DOIs
StatePublished - Jun 1 2010

Fingerprint

Lipids
Post-Traumatic Stress Disorders
Depression
High Fat Diet
Genes
Lipid Metabolism
HDL Cholesterol
Psychiatry
Triglycerides
Cardiovascular Diseases
Cholesterol
Nutrition
Gene Expression
Liver
Fats
Association reactions
Plasmas

Keywords

  • Anxiety
  • Cholesterol
  • Depression feeding
  • Liver

ASJC Scopus subject areas

  • Biochemistry
  • Cell Biology
  • Endocrinology

Cite this

Chuang, J. C., Cui, H., Mason, B. L., Mahgoub, M., Bookout, A. L., Yu, H. G., ... Lutter, M. (2010). Chronic social defeat stress disrupts regulation of lipid synthesis. Journal of Lipid Research, 51(6), 1344-1353. https://doi.org/10.1194/jlr.M002196

Chronic social defeat stress disrupts regulation of lipid synthesis. / Chuang, Jen Chieh; Cui, Huxing; Mason, Brittany L.; Mahgoub, Melissa; Bookout, Angie L.; Yu, Hana G.; Perello, Mario; Elmquist, Joel K.; Repa, Joyce J.; Zigman, Jeffrey M.; Lutter, Michael.

In: Journal of Lipid Research, Vol. 51, No. 6, 01.06.2010, p. 1344-1353.

Research output: Contribution to journalArticle

Chuang, JC, Cui, H, Mason, BL, Mahgoub, M, Bookout, AL, Yu, HG, Perello, M, Elmquist, JK, Repa, JJ, Zigman, JM & Lutter, M 2010, 'Chronic social defeat stress disrupts regulation of lipid synthesis', Journal of Lipid Research, vol. 51, no. 6, pp. 1344-1353. https://doi.org/10.1194/jlr.M002196
Chuang, Jen Chieh ; Cui, Huxing ; Mason, Brittany L. ; Mahgoub, Melissa ; Bookout, Angie L. ; Yu, Hana G. ; Perello, Mario ; Elmquist, Joel K. ; Repa, Joyce J. ; Zigman, Jeffrey M. ; Lutter, Michael. / Chronic social defeat stress disrupts regulation of lipid synthesis. In: Journal of Lipid Research. 2010 ; Vol. 51, No. 6. pp. 1344-1353.
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