Association of tricarboxylic acid cycle related-metabolites with hypertension in older adults: a community-based cross-sectional study.

J Hum Hypertens

Department of Health Management Center, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.

Published: November 2024

AI Article Synopsis

  • * Researchers analyzed 1,127 older adults, identifying two metabolites—2-oxoglutarate and malate—that were significantly associated with increased hypertension risk, even after adjusting for other factors.
  • * The findings suggest that these metabolites could serve as potential markers for hypertension diagnosis; however, more extensive future studies are needed to validate these results.

Article Abstract

Hypertension is still a common chronic disease worldwide and seriously affects human health. Aim of this study was to investigate the association between tricarboxylic acid (TCA) cycle-related metabolites and hypertension in older adults. A total of 1127 community-dwelling older adults were included in this cross-sectional analysis, of whom 609 were assigned to the hypertension group and 518 to the no-hypertension group. Plasma concentrations of 8 TCA cycle-related metabolites (citrate, cis-aconitate, isocitrate, 2-oxoglutarate, succinate, maleate, fumarate, and malate) were determined by gas chromatography-triple quadrupole mass spectrometry. Multivariate logistic regression was used to assess the association between these metabolites and hypertension risk. After adjustment for covariates, we found that the increased plasma concentrations of 2-oxoglutarate and malate were significantly associated with hypertension. These two associations remained unchanged after using the false discovery rate (FDR)-adjustment method (both FDR-adjusted P-trend <0.05). In stratified analysis, these two associations were not modified by overweight, physical activity, and current drinking (all P-interaction >0.05). In the multivariate diagnostic model, the inclusion of these two metabolites modestly and significantly improved the diagnosis of hypertension (AUC = 0.64, 95% CI: 0.60-0.67). These results indicated that plasma 2-oxoglutarate and malate might be the candidate metabolic markers of hypertension among older adults. However, further longitudinal and experimental studies are necessary to confirm this finding.

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http://dx.doi.org/10.1038/s41371-024-00976-5DOI Listing

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