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<p>Selenium (Se), an essential micronutrient with potent antioxidant properties, may modulate cardiometabolic health through multiple physiological pathways, including redox regulation and the modulation of inflammatory responses. This study aimed to investigate the relationships between serum Se levels and pro-inflammatory cytokines, adhesion molecules, and carotid intima-media thickness (CIMT) as early indicators of endothelial dysfunction in patients with metabolic syndrome (MetS). A total of 191 patients aged 20 to 50&#xa0;years, diagnosed with MetS, were included in the study. In addition to glucolipid metabolic parameters, serum levels of Se, interleukin-6 (IL-6), tumor necrosis factor-alpha (TNF-α), intercellular adhesion molecule-1 (ICAM-1), vascular cell adhesion molecule-1 (VCAM-1), E-selectin, and monocyte chemoattractant protein-1 (MCP-1) were assessed. Ultrasonography was applied to measure the CIMT among the participants. The mean serum levels of TNF-α (<i>p</i>-trend = 0.037), MCP-1 (<i>p</i>-trend = 0.005), and VCAM-1 (<i>p</i>-trend = 0.002) revealed decreasing trends with increasing quartiles of serum Se. Similarly, a significant decrease in the mean CIMT was observed in the participants with increasing quartiles of serum Se (<i>p</i>-trend &lt; 0.001). Serum Se levels were inversely correlated with TNF-α (<i>r</i> = -0.24, <i>p</i> &lt; 0.001), MCP-1 (<i>r</i> = -0.30, <i>p</i> &lt; 0.001), VCAM-1 (<i>r</i> = -0.34, <i>p</i> &lt; 0.001), and CIMT (<i>r</i> = -0.47, <i>p</i> &lt; 0.001). In conclusion, we observed significant inverse relationships between serum Se levels and pro-atherogenic and pro-inflammatory biomarkers, as well as the mean CIMT, in patients with MetS. Se supplementation may represent a targeted nutritional strategy for reducing cardiovascular risk in patients with MetS who have low serum Se levels.</p>

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Association of Serum Selenium with Pro-Atherogenic Adhesion Molecules, Inflammatory Cytokines and Carotid Intima-Media Thickness in Patients with Metabolic Syndrome

  • 期刊论文

  • 发表日期：

    2025年7月8日

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  • Abbas Pishdadian,
  • HamidReza Ashtari,
  • Zohreh Sancholi,
  • Soudabeh Hamedi-Shahraki,
  • Farshad Amirkhizi,
  • Aleksandra Klisic

摘要

Selenium (Se), an essential micronutrient with potent antioxidant properties, may modulate cardiometabolic health through multiple physiological pathways, including redox regulation and the modulation of inflammatory responses. This study aimed to investigate the relationships between serum Se levels and pro-inflammatory cytokines, adhesion molecules, and carotid intima-media thickness (CIMT) as early indicators of endothelial dysfunction in patients with metabolic syndrome (MetS). A total of 191 patients aged 20 to 50 years, diagnosed with MetS, were included in the study. In addition to glucolipid metabolic parameters, serum levels of Se, interleukin-6 (IL-6), tumor necrosis factor-alpha (TNF-α), intercellular adhesion molecule-1 (ICAM-1), vascular cell adhesion molecule-1 (VCAM-1), E-selectin, and monocyte chemoattractant protein-1 (MCP-1) were assessed. Ultrasonography was applied to measure the CIMT among the participants. The mean serum levels of TNF-α (p-trend = 0.037), MCP-1 (p-trend = 0.005), and VCAM-1 (p-trend = 0.002) revealed decreasing trends with increasing quartiles of serum Se. Similarly, a significant decrease in the mean CIMT was observed in the participants with increasing quartiles of serum Se (p-trend < 0.001). Serum Se levels were inversely correlated with TNF-α (r = -0.24, p < 0.001), MCP-1 (r = -0.30, p < 0.001), VCAM-1 (r = -0.34, p < 0.001), and CIMT (r = -0.47, p < 0.001). In conclusion, we observed significant inverse relationships between serum Se levels and pro-atherogenic and pro-inflammatory biomarkers, as well as the mean CIMT, in patients with MetS. Se supplementation may represent a targeted nutritional strategy for reducing cardiovascular risk in patients with MetS who have low serum Se levels.