Assessing of plasma levels of iron, zinc and copper in Iranian Parkinson′s disease
2016
Rokhsareh Meamar | Hamidreza Nikyar | Leila Dehghani | Keivan Basiri | Mohammad Reza Aghaye Ghazvini
Background: Trace elements have long been suspected to be involved in Parkinson's disease (PD) pathogenesis, but their exact roles have been remained controversial. In this study, we assessed the levels of copper (Cu), iron (Fe) and zinc (Zn) in different stage of PD patients. Materials and Methods: Serum concentrations of iron, copper and zinc were measured in 109 patients with PD by colorimetric methods. Staging of the disease was evaluated according to Hoehn and Yahr (H and Y) and Unified PD Rating Scale III (UPDRS). Results: Severity values of PD measured by UPRDSIII and HY stages with mean ± SD were 22.9 ± 1.81 and 1.8 ± 1.1, respectively. Mean ± SD values of iron, zinc and copper are 100.7 ± 289.2, 68.3 ± 5.32, and 196.8 ± 162.1 μg/dl, respectively. Serum iron level in most of the patients was normal (76.6%). Whereas zinc concentration in most participants was below the normal range (64.5%) and serum Cu in the majority of patients had a high normal concentration (42.7%) and did not significantly differ among various PD stages. Conclusion: The result of this study does not confirm strong correlation between PD stages and serum levels of tested trace elements. The actual correlations between these elements and PD and whether modulating of these agents levels could be an effective approach in the treatment of this disease remain to be elucidated.
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