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. 2010 Oct 30:9:125.
doi: 10.1186/1476-511X-9-125.

Sleep deprivation affects inflammatory marker expression in adipose tissue

José C Rosa Neto  1 , Fábio S Lira, Daniel P Venancio, Cláudio A Cunha, Lila M Oyama, Gustavo D Pimentel, Sérgio Tufik, Cláudia M Oller do Nascimento, Ronaldo V T Santos, Marco T de Mello
Affiliations

Sleep deprivation affects inflammatory marker expression in adipose tissue

José C Rosa Neto et al. Lipids Health Dis. .

Abstract

Sleep deprivation has been shown to increase inflammatory markers in rat sera and peripheral blood mononuclear cells. Inflammation is a condition associated with pathologies such as obesity, cancer, and cardiovascular diseases. We investigated changes in the pro and anti-inflammatory cytokines and adipokines in different depots of white adipose tissue in rats. We also assessed lipid profiles and serum levels of corticosterone, leptin, and adiponectin after 96 hours of sleep deprivation.

Methods: The study consisted of two groups: a control (C) group and a paradoxical sleep deprivation by 96 h (PSD) group. Ten rats were randomly assigned to either the control group (C) or the PSD. Mesenteric (MEAT) and retroperitoneal (RPAT) adipose tissue, liver and serum were collected following completion of the PSD protocol. Levels of interleukin (IL)-6, interleukin (IL)-10 and tumour necrosis factor (TNF)-α were analysed in MEAT and RPAT, and leptin, adiponectin, glucose, corticosterone and lipid profile levels were analysed in serum.

Results: IL-6 levels were elevated in RPAT but remained unchanged in MEAT after PSD. IL-10 protein concentration was not altered in either depot, and TNF-α levels decreased in MEAT. Glucose, triglycerides (TG), VLDL and leptin decreased in serum after 96 hours of PSD; adiponectin was not altered and corticosterone was increased.

Conclusion: PSD decreased fat mass and may modulate the cytokine content in different depots of adipose tissue. The inflammatory response was diminished in both depots of adipose tissue, with increased IL-6 levels in RPAT and decreased TNF-α protein concentrations in MEAT and increased levels of corticosterone in serum.

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Figures

Figure 1
Figure 1
Metabolic profile.
Figure 2
Figure 2
Corticosterone level.
Figure 3
Figure 3
Leptin and adiponectina levels.
Figure 4
Figure 4
Cytokines levels.
See this image and copyright information in PMC

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