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Correlation between maternal plasma homocysteine and zinc levels in preeclamptic women

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Abstract

Women with preeclampsia have been shown to have elevated blood levels of the metabolite homocysteine, and alterations in blood levels of zinc and copper have also been reported. This study measured plasma levels of zinc, copper, and homocysteine in women with preeclampsia and in women with healthy, normotensive pregnancies.

For the patients with preeclampsia compared with controls, significantly higher mean plasma levels were found of homocysteine (16.39 vs 9.45 nmol/mL; p≤0.001), zinc (15.53 vs 11.93 μg/g protein; p < 0.05), and copper (47.90 vs 31.60 μg/g protein; p=0.001). The ratio of plasma Cu/Zn levels tended to be higher in preeclamptic women and could be taken as an index of inflammatory reaction, but the difference was not significant. Homocysteine concentrations correlated positively with plasma zinc concentrations in women with preeclampsia (r=0.588, p=0.003) but not in women with healthy pregnancies. No correlations were observed between plasma levels of homocysteine and copper.

Thus, the present study found evidence that preeclampsia might be associated with hyperhomocysteinemia and elevated blood levels of zinc and copper. Furthermore, elevated blood levels of zinc were significantly associated with hyperhomocysteinemia in preeclampsia. More studies are warranted to investigate further any relationship between altered homocysteine metabolism and levels of zinc and copper in preeclampsia.

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Authors and Affiliations

  1. Department of Gynecology and Obstetrics, University of Harran, Faculty of Medicine, Sanliurfa, Turkey

    Mehmet Harma & Muge Harma

  2. Department of Biochemistry, University of Harran, Faculty of Medicine, Sanliurfa, Turkey

    Abdurrahim Kocyigit

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  1. Mehmet Harma
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Harma, M., Harma, M. & Kocyigit, A. Correlation between maternal plasma homocysteine and zinc levels in preeclamptic women. Biol Trace Elem Res 104, 97–105 (2005). https://doi.org/10.1385/BTER:104:2:097

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  • DOI: https://doi.org/10.1385/BTER:104:2:097

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