Reproductive toxicology (Elmsford, N.Y.) · 2026
Association of exposure to household pesticides with concentration of serum sex steroid hormones in general U.S. population: A cross-sectional study.
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Zheng Yun, Wang Shizhi, Liu Haohan, Lu Yiran, Dou Jianrui, Li Xiuting, Zhou Xin
Аннотация
BACKGROUND: Studies have indicated that exposure to household pesticides is prevalent among the population. Nevertheless, the relationship and contributing factors linking urinary metabolites of household pesticides to circulating levels of sex steroid hormones in human serum remain insufficiently explored.
OBJECTIVE: To examine the correlation between household pesticides metabolites and serum sex steroid hormones levels.
METHODS: This study utilized data from 3884 participants obtained through the National Health and Nutrition Examination Survey (NHANES) conducted between 2013 and 2016. NHANES measured urinary metabolites of household pesticides and serum levels of sex steroid hormones. The study utilized weighted multiple linear regression modeling combined with restricted cubic spline (RCS) analysis to investigate relationships and dose-response patterns between residential pesticide metabolites and serum sex steroid hormones across both genders. Additionally, the research examined potential modifying effects of obesity status on pesticide metabolite-sex hormone associations through interaction analysis.
RESULTS: Following adjustment for potential confounders, concentrations of 3,5,6-trichloro-2-pyridinol (TCPY), para-nitrophenol (PNP), and 3-phenoxybenzoic acid (3-PBA) demonstrated negative correlations with total serum testosterone (TT), estradiol concentrations(E2), and free androgen index (FAI) across all three statistical models (Ps < 0.05), while positive relationships emerged with sex hormone-binding globulin (SHBG). We found the similar results among male participants. However, the negative correlation was not found between TCPY, PNP, 3-PBA and SHBG among female participants RCS modeling revealed complex nonlinear interactions between DCBA and serum sex steroid hormone levels. Analysis stratified by body mass index showed that TCPY, PNP and 3-PBA exhibited similar negative correlations with TT, E2 and FAI in the non-obese participants.
CONCLUSIONS: The study reveals that the metabolites from household pesticides exhibited negative correlations with serum sex steroid hormone levels across both genders. Associations were more consistent for non-obese populations.
OBJECTIVE: To examine the correlation between household pesticides metabolites and serum sex steroid hormones levels.
METHODS: This study utilized data from 3884 participants obtained through the National Health and Nutrition Examination Survey (NHANES) conducted between 2013 and 2016. NHANES measured urinary metabolites of household pesticides and serum levels of sex steroid hormones. The study utilized weighted multiple linear regression modeling combined with restricted cubic spline (RCS) analysis to investigate relationships and dose-response patterns between residential pesticide metabolites and serum sex steroid hormones across both genders. Additionally, the research examined potential modifying effects of obesity status on pesticide metabolite-sex hormone associations through interaction analysis.
RESULTS: Following adjustment for potential confounders, concentrations of 3,5,6-trichloro-2-pyridinol (TCPY), para-nitrophenol (PNP), and 3-phenoxybenzoic acid (3-PBA) demonstrated negative correlations with total serum testosterone (TT), estradiol concentrations(E2), and free androgen index (FAI) across all three statistical models (Ps < 0.05), while positive relationships emerged with sex hormone-binding globulin (SHBG). We found the similar results among male participants. However, the negative correlation was not found between TCPY, PNP, 3-PBA and SHBG among female participants RCS modeling revealed complex nonlinear interactions between DCBA and serum sex steroid hormone levels. Analysis stratified by body mass index showed that TCPY, PNP and 3-PBA exhibited similar negative correlations with TT, E2 and FAI in the non-obese participants.
CONCLUSIONS: The study reveals that the metabolites from household pesticides exhibited negative correlations with serum sex steroid hormone levels across both genders. Associations were more consistent for non-obese populations.