Investigation of delta-aminolevulinic acid dehydratase polymorphism affecting hematopoietic, hepatic and renal toxicity from lead in Han subjects of southwestern China

Adult Male China 01 natural sciences R1 Medicine (General) / orvostudomány általában Asian People Gene Frequency Occupational Exposure Humans Genetic Predisposition to Disease 0105 earth and related environmental sciences Liver Diseases Aminolevulinic Acid Middle Aged 6. Clean water Hematopoiesis 3. Good health Lead Poisoning Occupational Diseases Cross-Sectional Studies Lead Creatinine Female Kidney Diseases Biomarkers
DOI: 10.1556/aphysiol.101.2014.1.7 Publication Date: 2014-03-16T01:00:49Z
ABSTRACT
This study is to explore the effect of ALAD polymorphism on hematopoietic, hepatic and renal toxicity from lead in occupational exposure workers.We conducted a cross-sectional study on 156 workers with occupational exposure to lead between 2002 and 2007. The results of laboratory examinations were analyzed.The authors found that workers with the ALAD 1-1 genotype were associated with higher blood lead level than those with the ALADl-2 genotype. Blood and urine lead levels were much higher in storage battery workers than in cable workers. The urine ALA and blood ZPP levels in workers with the ALAD 1-1 genotype were higher than those with the ALADl-2 genotype. The serum Cr level in workers with the ALADl-1 genotype was much higher than those with the ALADl-2 genotype especially in higher lead exposure level.The ALAD-2 protein might modify the kinetics of lead in blood at a relatively higher blood lead level and protect against hematopoietic, hepatic and renal toxicity from lead. Urine ALA, blood ZPP and serum Cr levels might be considered as effective biological monitoring partners of lead induced hematopoietic and renal toxicology.
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