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BY-NC-ND 3.0 license Open Access Published by De Gruyter Open Access August 19, 2015

Negative association between paraoxonase 2, anthropometric markers and metabolic syndrome

  • Andrada Mihai , Daniela Lixandru , Petruta Alexandru , Irina Stoian , Simona Carniciu , Manuela Mitu , Cristian Guja and Constantin Ionescu-Tirgoviste
From the journal Open Life Sciences


Background Metabolic syndrome (MS) has a great impact on cardiovascular mortality and morbidity. Our aim was to investigate the association of MS with some oxidant and antioxidant markers, including pro-and antioxidant status of peripheral blood mononuclear cells (PBMC) in newly diagnosed type 2 diabetic mellitus patients (ND-T2D). Methods 219 ND-T2D and 88 healthy subjects were divided in two groups according to the absence or presence of MS. Anthropometric measurements, routine blood tests, total oxidant status (TOS), total antioxidant status (TAS) and ELISA measurements were included. The PBMC capacity to release free radicals and to neutralize them was also determined by measuring the respiratory burst (RB) together with the lactonase activity of the intracellular antioxidant enzyme paraoxonase 2 (PON2). Results Comparing ND-T2D MS+ with those MS- the RB of the PBMC was significantly higher (p<0.05) while lactonase PON2 enzymatic activity was decreased (p < 0.001). A negative correlation of RB was found with TAS (r = -0.416, p < 0.05). PON2 was also negatively correlated with glycaemia (r = -0.275, p < 0.001), HbA1c (r = -0.308, p < 0.001), weight (r = -0.183; p < 0.05), waist circumference (r = -0.353, p < 0.001) and body mass index (r = -0.290, p < 0.001). Conclusion PON2 lactonase activity is negatively associated with anthropometric markers in ND-T2D with MS.


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Received: 2015-1-18
Accepted: 2015-5-11
Published Online: 2015-8-19

©2015 Andrada Mihai, et al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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