Journal article
Newborn Screening Archives as a Specimen Source for Epidemiologic Studies: Feasibility and Potential for Bias
Annals of epidemiology, v 18(1), pp 58-64
2008
PMID: 18063239
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
To evaluate the feasibility of obtaining dried blood spots (DBS) from newborn screening archives for subjects in epidemiologic studies and using these specimens for genotyping, and to evaluate the potential for bias in their use.
We attempted to locate DBS at Washington State's archives for 230 participants in a previous case-control study of childhood cancer, who were born 1978–1990. We compared characteristics of children for whom we did and did not locate specimens and attempted genetic polymorphism analyses (11 polymorphisms, 82–480 bp amplicons).
We retrieved specimens for 203 (88%) children, including 199 (94%) born in months when a DBS catalog was available. Among the latter, the proportion with specimens located varied by birth place (e.g., hospital, home), maternal education, and prenatal smoking, but did not vary significantly by race/ethnicity. All genotyping assays were completed for all specimens, and among controls genotype distributions were in Hardy-Weinberg equilibrium and similar to previous reports.
Newborn screening archives have potential to provide specimens for epidemiologic studies conducting genotyping and perhaps other assays, but the possibility that reliance on these resources could bias risk estimates must be considered.
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Details
- Title
- Newborn Screening Archives as a Specimen Source for Epidemiologic Studies: Feasibility and Potential for Bias
- Creators
- Susan Searles NielsenBeth A. Mueller - University of WashingtonAnneclaire J. De Roos - University of WashingtonHarvey Checkoway - University of Washington
- Publication Details
- Annals of epidemiology, v 18(1), pp 58-64
- Publisher
- Elsevier
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Environmental and Occupational Health
- Web of Science ID
- WOS:000251980000009
- Scopus ID
- 2-s2.0-36549083680
- Other Identifier
- 991020100061604721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Public, Environmental & Occupational Health