| Association between blood lead and the risk of amyotrophic lateral sclerosis. | |
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MedLine Citation:
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PMID: 20406759 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The authors conducted a 2003-2007 case-control study including 184 cases and 194 controls to examine the association between blood lead and the risk of amyotrophic lateral sclerosis (ALS) among US veterans and to explore the influence on this association of bone turnover and genetic factors related to lead toxicokinetics. Blood lead, plasma biomarkers of bone formation (procollagen type 1 amino-terminal peptide (PINP)) and resorption (C-terminal telopeptides of type 1 collagen (CTX)), and the K59N polymorphism in the delta-aminolevulinic acid dehydratase gene, ALAD, were measured. Odds ratios and 95% confidence intervals for the association of blood lead with ALS were estimated with unconditional logistic regression after adjustment for age and bone turnover. Blood lead levels were higher among cases compared with controls (P < 0.0001, age adjusted). A doubling of blood lead was associated with a 1.9-fold increased risk of ALS (95% confidence interval: 1.3, 2.7) after adjustment for age and CTX. Additional adjustment for PINP did not alter the results. Significant lead-ALS associations were observed in substrata of PINP and CTX levels. The K59N polymorphism in the ALAD gene did not modify the lead-ALS association (P = 0.32). These results extend earlier findings by accounting for bone turnover in confirming the association between elevated blood lead level and higher risk of ALS. |
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Authors:
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Fang Fang; Lydia C Kwee; Kelli D Allen; David M Umbach; Weimin Ye; Mary Watson; Jean Keller; Eugene Z Oddone; Dale P Sandler; Silke Schmidt; Freya Kamel |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. Date: 2010-04-20 |
Journal Detail:
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Title: American journal of epidemiology Volume: 171 ISSN: 1476-6256 ISO Abbreviation: Am. J. Epidemiol. Publication Date: 2010 May |
Date Detail:
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Created Date: 2010-05-11 Completed Date: 2010-05-27 Revised Date: 2011-07-28 |
Medline Journal Info:
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Nlm Unique ID: 7910653 Medline TA: Am J Epidemiol Country: United States |
Other Details:
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Languages: eng Pagination: 1126-33 Citation Subset: IM |
Affiliation:
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Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, North Carolina, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Aged, 80 and over Amyotrophic Lateral Sclerosis / blood, epidemiology*, genetics Biological Markers Bone Resorption / complications, epidemiology Bone and Bones / metabolism Case-Control Studies Confidence Intervals Environmental Exposure / adverse effects* Female Humans Lead / blood* Lead Poisoning / blood, complications Logistic Models Male Middle Aged Odds Ratio Osteogenesis Porphobilinogen Synthase / genetics Questionnaires Registries Risk Factors United States / epidemiology Veterans* / statistics & numerical data |
| Grant Support | |
ID/Acronym/Agency:
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R01 ES 013244/ES/NIEHS NIH HHS; Z01- ES49005-15/ES/NIEHS NIH HHS |
| Chemical | |
Reg. No./Substance:
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0/Biological Markers; 7439-92-1/Lead; EC 4.2.1.24/Porphobilinogen Synthase |
| Comments/Corrections | |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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