PMID- 34173948 OWN - NLM STAT- MEDLINE DCOM- 20211112 LR - 20211112 IS - 1614-7499 (Electronic) IS - 0944-1344 (Linking) VI - 28 IP - 43 DP - 2021 Nov TI - Exposure to 2,4-dichlorophenol, 2,4,6-trichlorophenol, pentachlorophenol and risk of thyroid cancer: a case-control study in China. PG - 61329-61343 LID - 10.1007/s11356-021-14898-z [doi] AB - Thyroid cancer (TC) has inflicted huge threats to the health of mankind. Chlorophenols (CPs) were persistent organic pollutant and can lead to adverse effects in human health, especially in thyroid. However, epidemiological studies have revealed a rare and inconsistent relationship between internal exposure to CPs and TC risk. The purpose of this study was to investigate the correlation between urinary CPs and TC risk in Chinese population. From June 2017 to September 2019, a total of 297 histologically confirmed TC cases were recruited. Age- and gender-matched controls were enrolled at the same time. Gas chromatography-mass spectrometry (GC-MS) was used to determine the levels of three CPs in urine. Conditional logistic regression models were adopted to assess the potential association. Restricted cubic spline function was used to explore the non-liner association. After adjusting for confounding factors, multivariate analysis showed that, compared with the first quartile, the fourth quartile concentrations of 2,4-dichlorophenol (2,4-DCP), 2,4,6-trichlorophenol (2,4,6-TCP), and pentachlorophenol (PCP) were associated with TC risk (odds ratio (OR)(2,4-DCP) =2.28, 95% confidence interval (CI): 1.24-4.18; OR(2,4,6-TCP) =3.09, 95% CI: 1.66-5.77; OR(PCP) =3.30, 95% CI: 1.71-6.36, respectively), when CPs were included in the multivariate model and restricted cubic spline function as continuous variables, presenting significant dose-response relationships. Meanwhile, whether in the TC group with tumor diameter > 1 cm or metastatic TC, the changes of 2,4,6 TCP and PCP concentrations were positively correlated with the risk of TC. Our study suggests that higher concentrations of urinary CPs are associated with increased TC risks. Moreover, 2,4,6-TCP and PCP have certain effects on the invasiveness of thyroid cancer. Targeted public health policies should be formulated to reduce the CP pollution. These findings need further in-depth studies to confirm and relevant mechanism also needed to be clarified. CI - (c) 2021. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature. FAU - Yang, Wan-Jun AU - Yang WJ AD - Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Shushan District, Hefei, 230032, Anhui, China. FAU - Wu, Hua-Bing AU - Wu HB AD - Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Shushan District, Hefei, 230032, Anhui, China. FAU - Zhang, Chi AU - Zhang C AD - Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Shushan District, Hefei, 230032, Anhui, China. FAU - Zhong, Qi AU - Zhong Q AD - Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Shushan District, Hefei, 230032, Anhui, China. FAU - Hu, Ming-Jun AU - Hu MJ AD - Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Shushan District, Hefei, 230032, Anhui, China. FAU - He, Jia-Liu AU - He JL AD - Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Shushan District, Hefei, 230032, Anhui, China. FAU - Li, Guo-Ao AU - Li GA AD - Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Shushan District, Hefei, 230032, Anhui, China. FAU - Zhu, Zhen-Yu AU - Zhu ZY AD - Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Shushan District, Hefei, 230032, Anhui, China. FAU - Zhu, Jin-Liang AU - Zhu JL AD - Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Shushan District, Hefei, 230032, Anhui, China. FAU - Zhao, Huan-Huan AU - Zhao HH AD - Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Shushan District, Hefei, 230032, Anhui, China. FAU - Zhang, Han-Shuang AU - Zhang HS AD - Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Shushan District, Hefei, 230032, Anhui, China. FAU - Huang, Fen AU - Huang F AUID- ORCID: 0000-0003-2127-3668 AD - Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Shushan District, Hefei, 230032, Anhui, China. fenh@ahmu.edu.cn. LA - eng GR - gxbjZD09/Academic Aid Project for Top Talents (Professionals) in Colleges and Universities of Anhui Province/ GR - 2017H108/the Project for Anhui Province Academic Technology Leader Reserve Candidates' Academic Research Activities/ GR - 2016YFC1302605/the National Key Research and Development Program/ PT - Journal Article DEP - 20210626 PL - Germany TA - Environ Sci Pollut Res Int JT - Environmental science and pollution research international JID - 9441769 RN - 0 (Chlorophenols) RN - D9BSU0SE4T (Pentachlorophenol) RN - MHS8C5BAUZ (2,4,6-trichlorophenol) RN - R669TG1950 (2,4-dichlorophenol) SB - IM MH - Case-Control Studies MH - China MH - *Chlorophenols/analysis MH - Humans MH - *Pentachlorophenol/analysis MH - *Thyroid Neoplasms OTO - NOTNLM OT - Chlorophenols OT - Endocrine disrupting effect OT - Environmental exposure OT - Thyroid cancer OT - Urine EDAT- 2021/06/27 06:00 MHDA- 2021/11/16 06:00 CRDT- 2021/06/26 12:10 PHST- 2021/02/07 00:00 [received] PHST- 2021/06/10 00:00 [accepted] PHST- 2021/06/27 06:00 [pubmed] PHST- 2021/11/16 06:00 [medline] PHST- 2021/06/26 12:10 [entrez] AID - 10.1007/s11356-021-14898-z [pii] AID - 10.1007/s11356-021-14898-z [doi] PST - ppublish SO - Environ Sci Pollut Res Int. 2021 Nov;28(43):61329-61343. doi: 10.1007/s11356-021-14898-z. Epub 2021 Jun 26.