ArticleMetabolomics : Official journal of the Metabolomic Society2026
A plasma metabolomic fingerprint of moderate or severe hearing loss.
Article in Metabolomics : Official journal of the Metabolomic Society, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundDisabling hearing loss affects millions of adults world-wide. Metabolomics investigations are comprehensive assessments of an individual's metabolic processes that could provide insight into biological pathways underlying auditory dysfunction, yet data are limited.
methodsWe conducted a cross-sectional investigation of the association of plasma metabolite profiles and self-reported adult-onset moderate or severe hearing loss among 3925 women, including 1167 hearing loss cases and 2758 controls in the Nurses' Health Study. Information on hearing status at the time of the blood collection and on relevant risk factors was collected on biennial questionnaires. Metabolic profiling was conducted by liquid chromatography-mass spectrometry. The independent associations of 278 metabolites with hearing loss was assessed in logistic regression models adjusted for age, fasting status, race/ethnicity, co-morbidities, medication use and biobehavioral factors. The false discovery rate was controlled at 5% through the q-value approach. Metabolite Set Enrichment Analysis was conducted to identify metabolite classes that are enriched for concordant associations with hearing loss.
resultsWe identified 10 metabolites that were significantly associated (q value < 0.05) with moderate or severe hearing loss in multivariable-adjusted models. Steroid esters were enriched for negative associations, while triglycerides were enriched for positive associations. Triglycerides with fewer double bonds were enriched for significant, positive associations with hearing loss (p = 0.04).
conclusionIn this population-based investigation, we identified that triglycerides were enriched for positive associations, while steroid esters were inversely associated with adult-onset moderate or severe hearing loss. This study indicates that metabolic perturbations may contribute to the pathoetiology underlying adult-onset hearing loss.
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