Abstract
Serum paraoxonase 1 (PON1) in humans is a protein component of high-density lipoprotein (HDL) particles that protects against oxidative damage, detoxifies toxic metabolites of organophosphorus pesticides and nerve agents and activates or inactivates specific drugs. It has been reported that PON1 gene coding region polymorphisms, L55M and Q192R, could influence both expression level and catalytic activity of PON1, and their link with a broad spectrum of diseases has been described. The aim of this study was to determine the frequencies of PON1 coding region polymorphisms Q192R and L55M in Serbian population. The most frequent alleles were Q (0.77) for Q192R and L (0.68) for L55M. Genotypes QQ (0.60) and LL (0.47) and combined genotype QQ/LL (0.26) were the most frequent in examined population.
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