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Demographic, health and lifestyle factors associated with the metabolome in older women
Journal article   Open access   Peer reviewed

Demographic, health and lifestyle factors associated with the metabolome in older women

S. L. Navarro, G. A. Nagana Gowda, L. F. Bettcher, R. Pepin, N. Nguyen, M. Ellenberger, C. Zheng, L. F. Tinker, R. L. Prentice, Y. Huang, …
Metabolites, Vol.13(4), Art. 514
2023
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CC BY V4.0 Open Access

Abstract

Demographic and clinical factors influence the metabolome. The discovery and validation of disease biomarkers are often challenged by potential confounding effects from such factors. To address this challenge, we investigated the magnitude of the correlation between serum and urine metabolites and demographic and clinical parameters in a well-characterized observational cohort of 444 post-menopausal women participating in the Women’s Health Initiative (WHI). Using LC-MS and lipidomics, we measured 157 aqueous metabolites and 756 lipid species across 13 lipid classes in serum, along with 195 metabolites detected by GC-MS and NMR in urine and evaluated their correlations with 29 potential disease risk factors, including demographic, dietary and lifestyle factors, and medication use. After controlling for multiple testing (FDR < 0.01), we found that log-transformed metabolites were mainly associated with age, BMI, alcohol intake, race, sample storage time (urine only), and dietary supplement use. Statistically significant correlations were in the absolute range of 0.2–0.6, with the majority falling below 0.4. Incorporation of important potential confounding factors in metabolite and disease association analyses may lead to improved statistical power as well as reduced false discovery rates in a variety of data analysis settings.

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Collaboration types
Domestic collaboration
International collaboration
Citation topics
2 Chemistry
2.211 Mass Spectrometry
2.211.990 Metabolomics
Web Of Science research areas
Biochemistry & Molecular Biology
ESI research areas
Biology & Biochemistry
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