HUANG Jing; WU JiLei; LI TieJun; SONG XinMing; ZHANG BingZi; ZHANG PingWen; ZHENG XiaoYing

doi:10.3967/0895-3988.2011.02.002

Effect of Exposure to Trace Elements in the Soil on the Prevalence of Neural Tube Defects in a High-Risk Area of China

HUANG Jing, WU JiLei, LI TieJun, SONG XinMing, ZHANG BingZi, ZHANG PingWen, ZHENG XiaoYing

文章导航 > Biomedical and Environmental Sciences > 2011 > 24(2): 94-101

HUANG Jing, WU JiLei, LI TieJun, SONG XinMing, ZHANG BingZi, ZHANG PingWen, ZHENG XiaoYing. Effect of Exposure to Trace Elements in the Soil on the Prevalence of Neural Tube Defects in a High-Risk Area of China[J]. Biomedical and Environmental Sciences, 2011, 24(2): 94-101. doi: 10.3967/0895-3988.2011.02.002

Citation:

HUANG Jing, WU JiLei, LI TieJun, SONG XinMing, ZHANG BingZi, ZHANG PingWen, ZHENG XiaoYing. Effect of Exposure to Trace Elements in the Soil on the Prevalence of Neural Tube Defects in a High-Risk Area of China[J]. Biomedical and Environmental Sciences, 2011, 24(2): 94-101. doi: 10.3967/0895-3988.2011.02.002

doi: 10.3967/0895-3988.2011.02.002

基金项目: the National "973" project on Population and Health(2007CB5119001)%the National Yang-Zi Scholar Program,211 and 985 projects of Peking University(20020903)

Effect of Exposure to Trace Elements in the Soil on the Prevalence of Neural Tube Defects in a High-Risk Area of China

School of Mathematical Sciences, Peking University, Beijing 100871, China
Institute of Population Research, Peking University, Beijing 100871, China

Funds: the National "973" project on Population and Health(2007CB5119001)%the National Yang-Zi Scholar Program,211 and 985 projects of Peking University(20020903)

摘要: Objective Our objective is to build a model that explains the association between the exposure to trace elements in the soil and the risk of neural tube defects. Methods We built a function with different parameters to describe the effects of trace elements on neural tube defects. The association between neural tube defects and trace element levels was transformed into an optimization problem using the maximum likelihood method. Results Tin, lead, nickel, iron, copper, and aluminum had typical layered effects (dosage effects) on the prevalence of neural tube defects. Arsenic, selenium, zinc, strontium, and vanadium had no effect, and molybdenum had one threshold value that affected the prevalence of birth defects. Conclusion As an exploratory research work, our model can be used to determine the direction of the effect of the trace element content of cultivated soil on the risk of neural tube defects, which shows the clues by the dosage effect of their toxicological characteristics. Based on our findings, future biogeochemical research should focus on the direct effects of trace elements on human health.
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Abstract: Objective Our objective is to build a model that explains the association between the exposure to trace elements in the soil and the risk of neural tube defects. Methods We built a function with different parameters to describe the effects of trace elements on neural tube defects. The association between neural tube defects and trace element levels was transformed into an optimization problem using the maximum likelihood method. Results Tin, lead, nickel, iron, copper, and aluminum had typical layered effects (dosage effects) on the prevalence of neural tube defects. Arsenic, selenium, zinc, strontium, and vanadium had no effect, and molybdenum had one threshold value that affected the prevalence of birth defects. Conclusion As an exploratory research work, our model can be used to determine the direction of the effect of the trace element content of cultivated soil on the risk of neural tube defects, which shows the clues by the dosage effect of their toxicological characteristics. Based on our findings, future biogeochemical research should focus on the direct effects of trace elements on human health.
- Trace element /
- Neural tube defects /
- Risk factors identification /
- Poisson model /
- Maximum likelihood estimation

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Effect of Exposure to Trace Elements in the Soil on the Prevalence of Neural Tube Defects in a High-Risk Area of China

doi: 10.3967/0895-3988.2011.02.002

基金项目: the National "973" project on Population and Health(2007CB5119001)%the National Yang-Zi Scholar Program,211 and 985 projects of Peking University(20020903)

刊出日期: 2011-04-20

关键词:

Trace element /

Neural tube defects /

Risk factors identification /

Poisson model /

Maximum likelihood estimation

摘要: Objective Our objective is to build a model that explains the association between the exposure to trace elements in the soil and the risk of neural tube defects. Methods We built a function with different parameters to describe the effects of trace elements on neural tube defects. The association between neural tube defects and trace element levels was transformed into an optimization problem using the maximum likelihood method. Results Tin, lead, nickel, iron, copper, and aluminum had typical layered effects (dosage effects) on the prevalence of neural tube defects. Arsenic, selenium, zinc, strontium, and vanadium had no effect, and molybdenum had one threshold value that affected the prevalence of birth defects. Conclusion As an exploratory research work, our model can be used to determine the direction of the effect of the trace element content of cultivated soil on the risk of neural tube defects, which shows the clues by the dosage effect of their toxicological characteristics. Based on our findings, future biogeochemical research should focus on the direct effects of trace elements on human health.

English Abstract

Effect of Exposure to Trace Elements in the Soil on the Prevalence of Neural Tube Defects in a High-Risk Area of China

School of Mathematical Sciences, Peking University, Beijing 100871, China

Institute of Population Research, Peking University, Beijing 100871, China

Funds: the National "973" project on Population and Health(2007CB5119001)%the National Yang-Zi Scholar Program,211 and 985 projects of Peking University(20020903)

Publish Date: 2011-04-20

Keywords:

Abstract: Objective Our objective is to build a model that explains the association between the exposure to trace elements in the soil and the risk of neural tube defects. Methods We built a function with different parameters to describe the effects of trace elements on neural tube defects. The association between neural tube defects and trace element levels was transformed into an optimization problem using the maximum likelihood method. Results Tin, lead, nickel, iron, copper, and aluminum had typical layered effects (dosage effects) on the prevalence of neural tube defects. Arsenic, selenium, zinc, strontium, and vanadium had no effect, and molybdenum had one threshold value that affected the prevalence of birth defects. Conclusion As an exploratory research work, our model can be used to determine the direction of the effect of the trace element content of cultivated soil on the risk of neural tube defects, which shows the clues by the dosage effect of their toxicological characteristics. Based on our findings, future biogeochemical research should focus on the direct effects of trace elements on human health.

Citation:

HUANG Jing, WU JiLei, LI TieJun, SONG XinMing, ZHANG BingZi, ZHANG PingWen, ZHENG XiaoYing. Effect of Exposure to Trace Elements in the Soil on the Prevalence of Neural Tube Defects in a High-Risk Area of China[J]. Biomedical and Environmental Sciences, 2011, 24(2): 94-101. doi: 10.3967/0895-3988.2011.02.002

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doi: 10.3967/0895-3988.2011.02.002

Effect of Exposure to Trace Elements in the Soil on the Prevalence of Neural Tube Defects in a High-Risk Area of China

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Effect of Exposure to Trace Elements in the Soil on the Prevalence of Neural Tube Defects in a High-Risk Area of China

doi: 10.3967/0895-3988.2011.02.002

English Abstract

Effect of Exposure to Trace Elements in the Soil on the Prevalence of Neural Tube Defects in a High-Risk Area of China

School of Mathematical Sciences, Peking University, Beijing 100871, China Institute of Population Research, Peking University, Beijing 100871, China

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School of Mathematical Sciences, Peking University, Beijing 100871, China

Institute of Population Research, Peking University, Beijing 100871, China