北京大学学报(医学版) ›› 2024, Vol. 56 ›› Issue (3): 375-383. doi: 10.19723/j.issn.1671-167X.2024.03.001

• 论著 •    下一篇

短期大气颗粒物暴露和MTNR1B基因多态性对甘油三酯-葡萄糖指数影响的家系研究

郭煌达1,彭和香1,王斯悦1,侯天姣1,李奕昕1,章涵宇1,王梦莹2,3,武轶群1,3,秦雪英1,3,唐迅1,3,李劲1,3,陈大方1,3,胡永华1,3,吴涛1,3,*()   

  1. 1. 北京大学公共卫生学院流行病与卫生统计学系, 北京 100191
    2. 北京大学公共卫生学院营养与食品卫生学系, 北京 100191
    3. 重大疾病流行病学教育部重点实验室(北京大学), 北京 100191
  • 收稿日期:2024-02-17 出版日期:2024-06-18 发布日期:2024-06-12
  • 通讯作者: 吴涛 E-mail:twu@bjmu.edu.cn
  • 基金资助:
    国家自然科学基金(82204135);北京市自然科学基金(7232237);中国博土后科学基金(BX2021021);中国博土后科学基金(2022M710249)

A ssociations of short-term ambient particulate matter exposure and MTNR1B gene with triglyceride-glucose index: A family-based study

Huangda GUO1,Hexiang PENG1,Siyue WANG1,Tianjiao HOU1,Yixin LI1,Hanyu ZHANG1,Mengying WANG2,3,Yiqun WU1,3,Xueying QIN1,3,Xun TANG1,3,Jing LI1,3,Dafang CHEN1,3,Yonghua HU1,3,Tao WU1,3,*()   

  1. 1. Department of Epidemiology and Biostatistics, Peking University School of Public Health, Beijing 100191, China
    2. Department of Nutrition and Food Hygiene, Peking University School of Public Health, Beijing, 100191, China
    3. Key Laboratory of Epidemiology of Major Diseases(Peking University), Ministry of Education, Beijing 100191, China
  • Received:2024-02-17 Online:2024-06-18 Published:2024-06-12
  • Contact: Tao WU E-mail:twu@bjmu.edu.cn
  • Supported by:
    Supported by the National Natural Science Foundation of China(82204135);Beijing Natural Science Foundation(7232237);China Postdoctoral Science Foundation(BX2021021);China Postdoctoral Science Foundation(2022M710249)

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摘要:

目的: 利用北京房山家系队列研究资料, 探索短期大气颗粒物(particulate matter, PM)暴露和褪黑素受体1B(melatonin receptor 1 B, MTNR1B)基因多态性对甘油三酯-葡萄糖(triglyceride-glucose, TyG)指数的影响。方法: 纳入来自北京市房山区9个乡镇的先证者及其亲属作为研究对象, 使用混合线性模型评估短期PM暴露和MTNR1B基因rs10830963位点多态性与TyG指数的关联,进一步利用最大似然法进行基因-环境交互作用分析, 探索rs10830963位点多态性在PM与TyG指数关联中的效应修饰作用。结果: 共纳入来自2 084个家系的4 395名参与者,研究对象平均年龄(58.98 +8.68)岁, 女性占比53.90%。关联分析结果显示, PM2.5浓度每升高10 μg/m3, TyG指数升高0.017(95% Cl: 0.007~ 0.027), 而PM10。每升高10 μg/m3, TyG指数升高0.010(95% CI: O. 003 ~0.017), 且关联均存在滞后效应。此外, rs10830963位点与TyG指数存在阳性关联。每增加一个风险等位基因G, TyG指数升高0.040(95% CI: 0. 004 ~0.076)。与CC基因型携带者相比, GG基因型携带者的TyG指数高0.079(95% CI: 0. 005 ~0. 152)。未发现该位点多态性与PM暴露的交互作用具有统计学意义。结论: PM2.5和PM10。短期暴露与较高的TyG指数相关, MTNR1B基因的rs10830963位点G等位基因与TyG指数升高相关联。

关键词: 颗粒物, 吸入暴露, 甘油三酯-葡萄糖指数, MTNR1B基因, 家系研究

Abstract:

Objective: To explore the effects of short-term particulate matter (PM) exposure and the melatonin receptor 1B (MTNR1B) gene on triglyceride-glucose (TyG) index utilizing data from Fang-shan Family-based Ischemic Stroke Study in China (FISSIC). Methods: Probands and their relatives from 9 rural areas in Fangshan District, Beijing, were included in the study. PM data were obtained from fixed monitoring stations of the National Air Pollution Monitoring System. TyG index was calculated by fasting triglyceride and glucose concentrations. The associations of short-term PM exposure and rs10830963 polymorphism of the MTNR1B gene with the TyG index were assessed using mixed linear models, in which covariates such as age, sex, and lifestyles were adjusted for. Gene-environment inter-action analysis was furtherly performed using the maximum likelihood methods to explore the potential effect modifier role of rs10830963 polymorphism in the association of PM with TyG index. Results: A total of 4 395 participants from 2 084 families were included in the study, and the mean age of the study participants was (58.98±8.68) years, with 53. 90% females. The results of association analyses showed that for every 10 μg/m3 increase in PM2.5 concentration, TyG index increased by 0.017 (95%CI: 0.007-0.027), while for per 10 μg/m3 increment in PM10, TyG index increased by 0.010 (95%CI: 0.003-0.017). And the associations all had lagged effects. In addition, there was a positive association between the rs10830963 polymorphism and the TyG index. For per increase in risk allele G, TyG index was elevated by 0.040 (95%CI: 0.004-0.076). The TyG index was 0.079 (95%CI: 0.005-0.152) higher in carriers of the GG genotype compared with carriers of the CC genotype. The interaction of rs10830963 polymorphism with PM exposure had not been found to be statistically significant in the present study. Conclusion: Short-term exposure to PM2.5 and PM10 were associated with higher TyG index. The G allele of rs10830963 polymorphism in the MTNR1B gene was associated with the elevated TyG index.

Key words: Particulate matter, Inhalation exposure, Triglyceride-glucose index, MTNR1B gene, Family-based study

中图分类号: 

  • R122.2

表1

研究对象的基线特征"

Characteristics Total (n=4 395) Female (n=2 369) Male (n=2 026) P
Age/years, ${\bar x}$±s 58.98±8.68 59.00±8.38 58.95±9.01 0.824
Educational levels, n(%) <0.001
  Primary school or less 1 981 (45.07) 1 258 (53.10) 723 (35.69)
  Junior and senior high school 2 341 (53.27) 1 079 (45.55) 1 262 (62.29)
  College and above 73 (1.66) 32 (1.35) 41 (2.02)
BMI/(kg/m2), ${\bar x}$±s 26.27±4.58 26.65±5.30 25.82±3.51 <0.001
Smoke status, n(%) <0.001
  Never 2 474 (56.29) 2 005 (84.63) 469 (23.15)
  Former 660 (15.02) 153 (6.46) 507 (25.02)
  Current 1 261 (28.69) 211 (8.91) 1 050 (51.83)
Drinking status, n(%) <0.001
  Never 2 756 (62.71) 2 080 (87.80) 676 (33.37)
  Former 389 (8.85) 55 (2.32) 334 (16.49)
  Current 1 250 (28.44) 234 (9.88) 1 016 (50.15)
Physical activity per weeka, $\bar x \pm s$ 137.18±158.41 149.98±157.09 122.22±158.67 <0.001
Healthy diet score, ${\bar x}$±s 17.68±1.92 18.05±1.97 17.25±1.77 <0.001
Sleep duration per day, n(%) <0.001
  <7 h 937 (21.32) 554 (23.39) 383 (18.90)
  7-8 h 2 345 (53.36) 1 235 (52.13) 1 110 (54.79)
  >8 h 1 113 (25.32) 580 (24.48) 533 (26.31)
Coronary heart disease, n(%) 970 (22.07) 592 (24.99) 378 (18.66) <0.001
Type 2 diabetes, n(%) 2 337 (53.17) 1 362 (57.49) 975 (48.12) <0.001
Hypertension, n(%) 2 642 (60.11) 1 465 (61.84) 1 177 (58.09) <0.013
Antihypertensive treatment, n(%) 2 307 (52.49) 1 322 (55.80) 985 (48.62) <0.001
Antihyperglycemic treatment, n(%) 1 877 (42.71) 1 122 (47.36) 755 (37.27) <0.001
Antihyperlipidemic treatment, n(%) 801 (18.23) 431 (18.19) 370 (18.26) 0.984

表2

大气污染物和气象因素的基本情况"

Air pollutants $\bar x \pm s$ Minimum Median (P25, P75) Maximum
PM2.5/(μg/m3) 57.9±37.6 3.1 50.4 (27.0, 85.2) 189.1
PM10/(μg/m3) 91.2±49.7 14.4 88.9 (56.1, 118.2) 463.8
NO2/(μg/m3) 42.3±14.9 13.1 39.5 (32.8, 48.9) 115.0
SO2/(μg/m3) 4.3±3.2 2.0 3.6 (2.1, 5.2) 41.0
CO/(mg/m3) 0.8±0.3 0.1 0.8 (0.6, 1.0) 2.2
Temperature/℃ 26.1±3.6 -3.3 26.9 (24.7, 28.5) 32.6
Relative humidity/% 64.6±12.8 19.0 66.0 (57.0, 75.0) 95.0

图1

大气颗粒物(PM2.5和PM10)与TyG的关联"

表3

rs10830963位点多态性与TyG指数的关联"

Model Inheritance mode Group β (95%CI) P
Model 1 Addictive mode Per increase in the G allele 0.043 (0.004, 0.082) 0.033
Dominant mode CC Reference
CG/GG 0.048 (-0.010, 0.105) 0.104
Recessive mode CC/CG Reference
GG 0.055 (-0.008, 0.117) 0.088
Co-dominant mode CC Reference
CG 0.036 (-0.024, 0.095) 0.241
GG 0.087 (0.008, 0.167) 0.031
Model 2 Addictive mode Per increase in the G allele 0.049 (0.010, 0.087) 0.013
Dominant mode CC Reference
CG/GG 0.055 (-0.002, 0.112) 0.058
Recessive mode CC/CG Reference
GG 0.062 (0.000, 0.124) 0.050
Co-dominant mode CC Reference
CG 0.042 (-0.017, 0.101) 0.168
GG 0.100 (0.021, 0.179) 0.013
Model 3 Addictive mode Per increase in the G allele 0.040 (0.004, 0.076) 0.032
Dominant mode CC Reference
CG/GG 0.050 (-0.003, 0.103) 0.064
Recessive mode CC/CG Reference
GG 0.049 (-0.009, 0.107) 0.097
Co-dominant mode CC Reference
CG 0.042 (-0.013, 0.097) 0.136
GG 0.079 (0.005, 0.152) 0.036

图2

大气颗粒物(PM2.5和PM10)与rs10830963位点的交互作用分析结果"

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