Association of 1-hydroxypyrene-glucuronide in human urine with cigarette smoking and broiled or roasted meat consumption

被引:32
作者
Sithisarankul, P
Vineis, P
Kang, D
Rothman, N
Caporaso, N
Strickland, P
机构
[1] JOHNS HOPKINS UNIV,SCH HYG & PUBL HLTH,DEPT ENVIRONM HLTH SCI,BALTIMORE,MD 21205
[2] UNIV TURIN,UNIT CANC EPIDEMIOL,I-10124 TURIN,ITALY
[3] NCI,EPIDEMIOL & GENET PROGRAM,BETHESDA,MD
关键词
1-hydroxypyrene-glucuronide; smoking; meat consumption; biomarker;
D O I
10.1080/135475097231580
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Humans are exposed to polycyclic aromatic hydrocarbons (PAHs) from various occupational, dietary, environmental and medicinal sources. We measured 1-hydroxypyrene-glucuronide (1-OHP-gluc) concentration in urines from male non-smokers (n = 50), smokers of blond tobacco (n = 31), smokers of black tobacco (n = 16), and pipe smokers (n = 3). Immunoaffinity chromatography was used as a preparative step and synchronous fluorescence spectroscopy as the quantitation method. The concentration of 1-OHP-gluc in urine from smokers (mean +/- SE: 1.04 +/- 0.13 pmol ml(-1) urine) was significantly higher than in urine from non-smokers (0.55 +/- 0.05 pmol ml(-1) urine) by the Wilcoxon rank sum test (non smokers versus all smokers, p = 0.001; vs black-tobacco smokers, p = 0.001; vs blond-tobacco smokers, p = 0.007). Urinary 1-OHP-gluc concentration among subjects who had consumed roasted, grilled or broiled meat within the past 24 h was elevated compared with those who had not (p = 0.025). Multiple linear regression showed significant associations of urinary 1-OHP-gluc with number of cigarettes smoked (p = 0.002) and consumption of roasted, grilled or broiled meat (p = 0.028). Systemic CYP1A2 activity estimated by caffeine metabolism was significantly correlated with urinary 1-OHP-gluc concentration. However, this association was probably due to cigarette smoking, since adjusting for cigarette smoking by multiple linear regression made the association between urinary 1-OHP-gluc and CYP1A2 phenotype non-significant. These results further support the use of urinary 1-OHP-gluc as a biomarker of recent pyrene exposure through inhalation or diet.
引用
收藏
页码:217 / 221
页数:5
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