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Updated: Aug 6, 2026
Isolation of Adipose Tissue Immune Cells
Published on: May 22, 2013
Raised interleukin-6 levels in obese patients
L Roytblat1, M Rachinsky, A Fisher
1Division of Anesthesiology, Soroka Medical Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel. l.roytblat@iname.com
Objective:
Obese patients demonstrate a variety of biochemical, metabolic, and pulmonary abnormalities. Inflammatory mediators such as tumor necrosis factor-alpha and interleukin-6 (IL-6) may have a direct effect on glucose and lipid metabolism. Hypoxemia in itself induces release of IL-6. The aim of this study was to examine the relationship between IL-6 levels in healthy volunteers (control group) and three different groups of obese patients: patients without obstructive sleep apnea syndrome (OSAS), patients with OSAS, and patients with obesity hypoventilation syndrome (OHS) (daytime baseline oxygen saturation of <93%).
Research Methods And Procedures:
We measured serum IL-6 levels in 25 obese patients (body mass index of >35 kg/m2) and 12 healthy women.
Results:
The results demonstrate statistically significant differences in serum IL-6 levels between the control group (1.28 +/- 0.85 pg/mL) and obese patients without OSAS (7.69 +/- 5.06 pg/mL, p < 0.05) and with OSAS (5.58 +/- 0.37 pg/mL, p < 0.0005). In the patients with OHS, IL-6 concentrations were highest (43.13 +/- 24.27 pg/mL).
Discussion:
We conclude that serum IL-6 is increased in obese patients. The highest IL-6 levels were found in the patients with OHS.
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