Gender-specific associations between mixture of polycyclic aromatic hydrocarbons and telomere length
© 2023. The Author(s), under exclusive licence to Springer Nature B.V..
Evidence shows the relationships of individual environmental PAHs by their urinary metabolites with relative telomere length (RTL), which may be affected by biological gender differences. Since plasma parent PAHs are not metabolized, it may reflect human exposure to PAHs more realistically in daily life. Thus, exploring joint associations between plasma parent PAHs and RTL is urgent, which may identify the major contributor to its adverse effect. In this study, 2577 participants were obtained from the Henan Rural Cohort. The level of PAHs in blood samples was detected by gas chromatography coupled with tandem mass spectrometry. RTL in blood samples was detected by quantitative polymerase chain reaction. Generalized linear models or quantile g-computation were performed to evaluate the associations between the individual or a mixture of PAHs and RTL. Results from generalized linear models showed that each unit increment in BghiP value corresponded to a 0.098 (95%CI: 0.067, 0.129) increment in RTL for men; each unit increment in BaP, BghiP and Flu value corresponded to a 0.041 (95%CI: 0.014, 0.068), 0.081 (95%CI: 0.055, 0.107) and 0.016 (95%CI: 0.005, 0.027) increment in RTL for women. Results from quantile-g computation revealed that each one-quantile increment in the mixture of 10 PAHs corresponded to a 0.057 (95%CI: 0.021, 0.094) and 0.047 (95%CI: 0.003, 0.091) increment in RTL values of women and men, but these associations were mainly ascribed to three PAHs for women (BaP, Flu and BghiP) and men (BaP, BghiP and Pyr), respectively. Similar results were found in smoking men and cooking women without smoking. Our study found that exposure to 10 PAHs mixture was positively associated with RTL across gender, mainly attributed to Flu, BaP and BghiP, implicating that gender-specific associations may be ascribed to tobacco and cooking smoke pollution. The findings provided clues for effective measures to control PAHs pollutants-related aging disease.Clinical trial registration The Henan Rural Cohort Study has been registered at the Chinese Clinical Trial Register (Registration number: ChiCTR-OOC-15006699). Date of registration: 06 July 2015. http://www.chictr.org.cn/showproj.aspx?proj=11375.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:45 |
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| Enthalten in: |
Environmental geochemistry and health - 45(2023), 12 vom: 29. Dez., Seite 9583-9598 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Hou, Xiaoyu [VerfasserIn] |
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| Links: |
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| Themen: |
Environmental Pollutants |
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| Anmerkungen: |
Date Completed 27.11.2023 Date Revised 27.11.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s10653-023-01752-z |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Evidence shows the relationships of individual environmental PAHs by their urinary metabolites with relative telomere length (RTL), which may be affected by biological gender differences. Since plasma parent PAHs are not metabolized, it may reflect human exposure to PAHs more realistically in daily life. Thus, exploring joint associations between plasma parent PAHs and RTL is urgent, which may identify the major contributor to its adverse effect. In this study, 2577 participants were obtained from the Henan Rural Cohort. The level of PAHs in blood samples was detected by gas chromatography coupled with tandem mass spectrometry. RTL in blood samples was detected by quantitative polymerase chain reaction. Generalized linear models or quantile g-computation were performed to evaluate the associations between the individual or a mixture of PAHs and RTL. Results from generalized linear models showed that each unit increment in BghiP value corresponded to a 0.098 (95%CI: 0.067, 0.129) increment in RTL for men; each unit increment in BaP, BghiP and Flu value corresponded to a 0.041 (95%CI: 0.014, 0.068), 0.081 (95%CI: 0.055, 0.107) and 0.016 (95%CI: 0.005, 0.027) increment in RTL for women. Results from quantile-g computation revealed that each one-quantile increment in the mixture of 10 PAHs corresponded to a 0.057 (95%CI: 0.021, 0.094) and 0.047 (95%CI: 0.003, 0.091) increment in RTL values of women and men, but these associations were mainly ascribed to three PAHs for women (BaP, Flu and BghiP) and men (BaP, BghiP and Pyr), respectively. Similar results were found in smoking men and cooking women without smoking. Our study found that exposure to 10 PAHs mixture was positively associated with RTL across gender, mainly attributed to Flu, BaP and BghiP, implicating that gender-specific associations may be ascribed to tobacco and cooking smoke pollution. The findings provided clues for effective measures to control PAHs pollutants-related aging disease.Clinical trial registration The Henan Rural Cohort Study has been registered at the Chinese Clinical Trial Register (Registration number: ChiCTR-OOC-15006699). Date of registration: 06 July 2015. http://www.chictr.org.cn/showproj.aspx?proj=11375 | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Polycyclic aromatic hydrocarbons | |
| 650 | 4 | |a Quantile g-computation | |
| 650 | 4 | |a Relative telomere length | |
| 650 | 4 | |a Rural population | |
| 650 | 7 | |a Polycyclic Aromatic Hydrocarbons |2 NLM | |
| 650 | 7 | |a Environmental Pollutants |2 NLM | |
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| 700 | 1 | |a Wang, Juan |e verfasserin |4 aut | |
| 700 | 1 | |a Wei, Dandan |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Xiaohuan |e verfasserin |4 aut | |
| 700 | 1 | |a Liao, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Yuchi, Yinghao |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Xiaotian |e verfasserin |4 aut | |
| 700 | 1 | |a Huo, Wenqian |e verfasserin |4 aut | |
| 700 | 1 | |a Mao, Zhenxing |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Junlin |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Chongjian |e verfasserin |4 aut | |
| 700 | 1 | |a Hou, Jian |e verfasserin |4 aut | |
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