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The Relationship Between Metabolic Syndrome Development and Tissue Trace Elements Status and Inflammatory Markers

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Insulin resistance, impaired glucose regulation, dyslipidemia, low-grade inflammation, and elevated blood pressure are main components of the metabolic syndrome (MetS). Trace elements, especially zinc (Zn) and copper (Cu) and cytokines, have physiological importance due to their presence in inflammatory processes and glucose metabolism. Therefore, this study aimed to investigate the potential relationship between cytokine responses and trace elements in different tissues of sucrose-induced MetS rats compared with healthy controls (n:7/groups). Tissue Zn concentrations are found to be decreased in the liver (p = 0.00) and pancreas (p < 0.01) and increased in the kidney (p = 0.00) and heart tissues (p < 0.001) of MetS group. Serum Zn levels were also found to be decreased in MetS compared with control group (p < 0.01), while there was any significant difference in serum Cu concentrations between groups. The Cu concentration (p < 0.01) was found decreased, and Zn/Cu ratio (p < 0.01) was found increased in kidney tissues. TNF-α, IL-6 levels were found increased in MetS tissues. With this study, the Zn and Cu concentrations and their relationships with inflammatory response in different tissues in MetS are reported for the first time in the literature. Serum and tissue Zn levels with diversities in distribution were found to have a higher impact on MetS pathogenesis than Cu levels. It has been concluded that there is a relationship between Zn and Cu concentrations and inflammatory marker levels in MetS pathophysiological mechanisms.

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This study was supported by Ankara University Scientific Research Projects Directorate with the project number 19L0230005.

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Correspondence to Nuray Yazihan.

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This study has been approved by the Ethics Committee of the Ankara University Local Ethics Committee for Experimental Animals (2019-5-50).

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Akdas, S., Turan, B., Durak, A. et al. The Relationship Between Metabolic Syndrome Development and Tissue Trace Elements Status and Inflammatory Markers. Biol Trace Elem Res 198, 16–24 (2020).

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