Publication: Polymorphism of delta-aminolevulinic acid dehydratase and its effect on blood lead levels in thai workers
Issued Date
2006-01-01
Resource Type
ISSN
21544700
19338244
19338244
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2-s2.0-34447628674
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Mahidol University
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SCOPUS
Bibliographic Citation
Archives of Environmental and Occupational Health. Vol.61, No.2 (2006), 67-72
Suggested Citation
Winai Wananukul, Thanyachai Sura, Porntip Salaitanawatwong Polymorphism of delta-aminolevulinic acid dehydratase and its effect on blood lead levels in thai workers. Archives of Environmental and Occupational Health. Vol.61, No.2 (2006), 67-72. doi:10.3200/AEOH.61.2.67-72 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/23261
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Title
Polymorphism of delta-aminolevulinic acid dehydratase and its effect on blood lead levels in thai workers
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Abstract
To determine the prevalence of delta-aminolevulinic acid dehydratase (ALAD) polymorphism and its effects on blood lead levels (BLLs) in Thai workers, the authors performed a cross-sectional analysis of 389 Thai workers who were exposed to lead in a battery plant. The authors collected blood for BLLs and genotypic study, and they found that the allele frequencies of ALAD1 and ALAD2 were 0.98 and 0.02, respectively. They made a comparison of BLLs between genotype by dividing the levels into 2 categories of lead exposure (high and medium magnitude of exposure) and using length of employment as a covariance. Their results showed no significant difference of BLLs between the ALAD1-1 and ALAD1-2/ALAD2-2 groups in both levels of exposure. The frequency of ALAD2 in Thai workers was low; the authors found that ALAD polymorphism had a small or only modest effect on BLLs. © 2007 Heldref Publications.