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Pakistan Journal of Biological Sciences
Year: 2009  |  Volume: 12  |  Issue: 14  |  Page No.: 1041 - 1044

Zinc and Copper Plasma Concentrations in Rheumatoid Arthritis Patients from a Selected Population in Iran

S. Ala, M. Shokrzadeh, A.M. Pur Shojah and S.S. Saeedi Saravi    

Abstract: The importance of trace elements in chronic inflammatory diseases is related to their cofactor role in immune system functions and in different metabolic processes in articular tissues. The aim of this study was to compare serum levels of Cu, Zn and Zn/Cu ratio in Rheumatoid Arthritis (RA) patients with healthy volunteers in Sari Rheumatology clinic, 2007. Zn and Cu plasma concentrations were assayed using atomic absorption spectrophotometery in 40 selected RA patients sera based on sex and age compared with healthy volunteers. Statistical analysis was performed by SPSS 10 software using independent sample t-test. Zn plasma content in patient group was significantly lower (p = 0.02) than that in healthy group. Also, Cu plasma content showed no differences in comparison with healthy group (p = 0.15). Results showed no correlation between Cu and Zn plasma concentrations in patient group (p = 0.946). In contrast, significant positive correlation was found between Zn and Zn/Cu ratio (p = 0.000); but decreased Zn/Cu ratio was more influenced by diminished Zn concentration. The study showed that spreading of RA in Iranian Society is related to age, sex, career and nutrition of the patients. However, consumption of Zn and Cu supplements in RA patients may be suggested by future investigations.

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