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Association of PM Components with Acceleration of Aging: Moderating Role of Sex Hormones. | LitMetric

Association of PM Components with Acceleration of Aging: Moderating Role of Sex Hormones.

Environ Sci Technol

China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China.

Published: March 2023

AI Article Synopsis

Article Abstract

Fine particulate matter (PM) has been linked to aging risk, and a lack of knowledge about the relationships between PM components and aging risk impeded the development of healthy aging. Participants were recruited through a multicenter cross-sectional study in the Beijing-Tianjin-Hebei region in China. Middle-age and older males and menopausal women completed the collection of basic information, blood samples, and clinical examinations. The biological age was estimated by Klemera-Doubal method (KDM) algorithms based on clinical biomarkers. Multiple linear regression models were applied to quantify the associations and interactions while controlling for confounders, and a restricted cubic spline function estimated the corresponding dose-response curves of the relationships. Overall, KDM-biological age acceleration was associated with PM component exposure over the preceding year in both males and females, with calcium [females: 0.795 (95% CI: 0.451, 1.138); males: 0.712 (95% CI: 0.389, 1.034)], arsenic [females: 0.770 (95% CI: 0.641, 0.899); males: 0.661 (95% CI: 0.532, 0.791)], and copper [females: 0.401 (95% CI: 0.158, 0.644); males: 0.379 (95% CI: 0.122, 0.636)] having greater estimates of the effect than total PM mass. Additionally, we observed that the associations of specific PM components with aging were lower in the higher sex hormone scenario. Maintaining high levels of sex hormones may be a crucial barrier against PM component-related aging in the middle and older age groups.

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Source
http://dx.doi.org/10.1021/acs.est.2c09005DOI Listing

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