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Risk of thyroid cancer and benign nodules associated with exposure to parabens among Chinese adults in Wuhan, China

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Abstract

Parabens are widely used as preservatives, which have been found to affect thyroid function in toxicological studies. However, population studies on whether they are associated with thyroid tumors remain unclear. This study aims to investigate the relationship between environmental paraben exposure and thyroid cancer and benign nodules. We recruited participants from the Department of Thyroid and Breast Surgery at Wuhan Central Hospital, Wuhan, China. The detectable percentages of methyl paraben, ethyl paraben, and propyl paraben in the urinary samples of 425 study subjects were 99.1%, 95.3%, and 92.0%, respectively. All uncorrected and creatinine-corrected parabens were moderately correlated with one another. After adjusting for possible confounders, all three parabens were associated with an increased risk of thyroid cancer. Furthermore, the mixture pollutant analysis of parabens found positive associations with risk of thyroid cancer (OR = 0.24, 95% CI: 0.18, 0.31) and benign nodules (OR = 1.33, 95% CI: 0.86, 1.80). We observed that individual exposure to paraben mixtures may be associated with the risk of thyroid cancer and benign nodules.

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Acknowledgements

We sincerely thank all staff members in the hospital who contributed to this study and all participants for their great cooperation.

Funding

This research was supported by the National Natural Science Foundation of China (No. 81903272 and 42007287) and China Postdoctoral Science Foundation (No. 2018M643376).

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Authors

Contributions

N-XW shared efforts in conducting data analysis, writing, and preparing the manuscript; L-JD shared efforts in conducting data analysis, writing, and preparing the manuscript; FX shared efforts in conducting data analysis, writing, and preparing the manuscript; J-YX shared efforts in conducting data analysis, writing, and preparing the manuscript. X-JL shared efforts in conducting data analysis, writing, and preparing the manuscript; QZ contributed to revise the manuscript. J-CS obtained data and revised the manuscript. DC contributed to revise the manuscript. PY supervised statistical analysis and revised the manuscript. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Pan Yang.

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Ethics approval and consent to participate

This study was approved by the Ethics Committee of Tongji Medical College, and each participant provided written informed consent.

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Not applicable.

Competing interests

The authors declare no competing interests.

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Responsible Editor: Lotfi Aleya

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Wu, NX., Deng, LJ., Xiong, F. et al. Risk of thyroid cancer and benign nodules associated with exposure to parabens among Chinese adults in Wuhan, China. Environ Sci Pollut Res 29, 70125–70134 (2022). https://doi.org/10.1007/s11356-022-20741-w

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  • DOI: https://doi.org/10.1007/s11356-022-20741-w

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