Common Genetic Variants Associated with Resting Oxygenation in Chronic Obstructive Pulmonary Disease.

Merry-Lynn McDonald, Michael H Cho, Inga-Cecilie Sorheim, Sharon M Lutz, Peter Castaldi, David A Lomas, Harvey O Coxson, Lisa D Edwards, William MacNee, Jorgen Vestbo, Julie C Yates, Alvar Agusti, Peter Ma Calverley, Bartolome Celli, Courtney Crim, Stephen I Rennard, Emiel Fm Wouters, Per Bakke, Ruth Tal-Singer, Bruce E MillerAmund Gulsvik, Richard Casaburi, J Michael Wells, Elizabeth A Regan, Barry J Make, John E Hokanson, Christoph Lange, James D Crapo, Terri H Beaty, Edwin K Silverman, Craig P Hersh

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Hypoxemia is a major complication of Chronic Obstructive Pulmonary Disease (COPD) that correlates with disease prognosis. Identifying genetic variants associated with oxygenation may provide clues for deciphering the heterogeneity in prognosis among COPD patients. However, previous genetic studies have been restricted to investigating COPD candidate genes for association with hypoxemia. To report results from the first genome-wide association study (GWAS) of resting oxygen saturation in COPD cases, we performed a GWAS of pulse oximetry (SpO2) in two large, well-characterized COPD populations: COPDGene, including both the Non-Hispanic White and African American groups, and ECLIPSE. We identified several suggestive loci (P
    Original languageEnglish
    JournalAmerican Journal of Respiratory Cell and Molecular Biology
    DOIs
    Publication statusPublished - 13 May 2014

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