Interaction Between Traffic-Related Air Pollution and Parkinson Disease Polygenic Risk Score

被引:0
|
作者
Kwon, Dayoon [1 ]
Paul, Kimberly C. [2 ]
Kusters, Cynthia [1 ,3 ,4 ]
Wu, Jun [5 ]
Bronstein, Jeff M. [2 ]
Lill, Christina M. [6 ,7 ]
Ketzel, Matthias [8 ,9 ]
Raachou-Nielsen, Ole [8 ,10 ]
Hansen, Johnni [10 ]
Ritz, Beate [1 ,2 ]
机构
[1] UCLA Univ Calif Los Angeles, Fielding Sch Publ Hlth, Dept Epidemiol, Los Angeles, CA USA
[2] UCLA, David Geffen Sch Med, Dept Neurol, Los Angeles, CA USA
[3] UCLA, Semel Inst Neurosci & Human Behav, Cousins Ctr Psychoneuroimmunol, Los Angeles, CA USA
[4] UCLA, David Geffen Sch Med, Dept Psychiat & Biobehav Sci, Los Angeles, CA USA
[5] Univ Calif Irvine, Sch Populat & Publ Hlth, Dept Environm & Occupat Hlth, Irvine, CA USA
[6] Univ Munster, Inst Epidemiol & Social Med, Munster, Germany
[7] Imperial Coll, Sch Publ Hlth, Ageing Epidemiol Res Unit, London, England
[8] Aarhus Univ, Dept Environm Sci, Roskilde, Denmark
[9] Univ Surrey, Global Ctr Clean Air Res, Dept Civil & Environm Engn, Guildford, England
[10] Danish Canc Soc, Danish Canc Inst, Copenhagen, Denmark
关键词
GENE-ENVIRONMENT INTERACTIONS; DIESEL EXHAUST; EXPOSURE; NEUROINFLAMMATION; ASSOCIATION; PROGRESSION; MICROGLIA;
D O I
10.1001/jamanetworkopen.2025.0854
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
IMPORTANCE Genetic and environmental factors are linked to Parkinson disease (PD), but the role of genetic susceptibility in the association between traffic-related air pollution (TRAP) and PD remains unclear. OBJECTIVE To assess the gene-environment interaction between the polygenic risk score (PRS) for PD and long-term TRAP exposure and to estimate the joint effect with PD risk. DESIGN, SETTING, AND PARTICIPANTS This population-based case-control study used a meta- analytical assessment of studies conducted in central California and Denmark. The Parkinson Environment and Genes (PEG) study in California (June 1, 2000, to July 31, 2017) included 634 patients with PD and 733 controls; the Parkinson Disease in Denmark (PASIDA) study (January 1, 2006, to December 31, 2017) included 966 patients with PD and 1045 controls. Data were analyzed from July 1 to October 31, 2024. EXPOSURES PRS was computed by summing the effect estimates of well-known risk alleles from an existing genome-wide association study's summary statistics using participants'genetic arrays. TRAP exposure was estimated using dispersion models to calculate long-term exposure (10- or 15-year means with a 5-year lag) to traffic-related pollutants (represented by carbon monoxide [CO] levels) at participants' residences. MAIN OUTCOMES AND MEASURES The main outcome was diagnosis of PD. Using multivariable logistic regression, PD risk was estimated from interactions between PRS (per SD) and TRAP exposure (per IQR), with joint effects based on low (quartiles 1-3) and high (quartile 4) exposure levels. RESULTS A total of 1600 patients with PD (mean [SD] age, 65.1 [9.9] years; 990 [61.9%] male) and 1778 controls (mean [SD] age, 64.5 [10.3] years; 992 [55.8%] male) were included. Meta-analytical estimates suggest that both higher PRS and increased TRAP exposure increased PD risk, with an interaction effect estimate of 1.06(95% CI, 1.00-1.12). Joint effect analysis indicated that individuals with both high PRS and high TRAP exposure were at greatest risk of PD (odds ratio, 3.05; 95% CI, 2.23-4.19) compared with the reference group with a low PRS and low TRAP exposure, suggesting a synergistic effect. CONCLUSIONS AND RELEVANCE In this gene-environment interaction study, a combination of long-term air pollution exposure and genetic susceptibility strongly contributed to the risk of developing PD. Widespread exposure to air pollution makes TRAP an important modifiable risk factor affecting large populations globally, particularly individuals with genetic vulnerability.
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页数:11
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