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Lead and lead compounds play a significant role in modern industry; a wide variety of population is at risk of occupational exposure and lead is suspected to be a human carcinogen. The biochemical and molecular mechanisms of lead toxicity are poorly understood, but emerging data suggest that some of the effects of lead may be due to its interference with calcium in the activation of protein kinase...
The genetic effects of occupational exposure to low polycyclic aromatic hydrocarbon (PAH) concentrations were investigated in primary aluminium industry workers. The study subjects were employed in a plant that uses pre-baked anode cells, and has relatively low PAH contamination. Forty-two male workers belonging to different job categories (anode fabrication, baking, rodding, electrolysis, maintenance),...
Down syndrome (DS) resulting from free trisomy 21 (FT21) has been largely associated with advanced maternal age. However, approximately 60% of FT21 cases are born to young couples. Thus, the etiological factors responsible for these FT21 children must differ from those proposed for maternal age-related FT21. These factors have not been defined. In this study, we analyzed the chromosomes of peripheral...
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