Perfluoroalkyl substances (PFASs) as risk factors for breast cancer : a case-control study in Chinese population
© 2022. The Author(s)..
BACKGROUND: Perfluoroalkyl substances (PFASs) are a large family of synthetic chemicals, some of which are mammary toxicants and endocrine disruptors. Recent studies have implicated exposure to PFASs as a risk factor for breast cancer in Europe and America. Little is known about the role of PFASs with respect to breast cancer in the Chinese population.
METHODS: Participants who were initially diagnosed with breast cancer at Tianjin Medical University Cancer Institute and Hospital between 2012 and 2016 were recruited as cases. The controls were randomly selected from the participants with available blood samples in the Chinese National Breast Cancer Screening Program (CNBCSP) cohort. Ultimately, we enrolled 373 breast cancer patients and 657 controls. Plasma PFASs were measured by an ultra-performance liquid chromatography (UPLC) system coupled to a 5500 Q-Trap triple quadrupole mass spectrometer. A logistic regression model with least absolute shrinkage and selection operator (LASSO) regularization was used to calculate odds ratios (ORs) and 95% confidence intervals (CIs) to assess the relationships between PFASs and breast cancer. The three most predictive variables in the LASSO model were selected from 17 PFASs, which was based on the optimal penalty coefficient (λ = 0.0218) identified with the minimum criterion. Additionally, Bayesian kernel machine regression (BKMR) and quantile g-computation models were applied to evaluate the associations between separate and mixed exposure to PFASs and breast cancer.
RESULTS: Perfluorooctanesulfonic acid (PFOS) exhibited the highest concentration in both the cases and controls. Perfluorooctanoic acid (PFOA) and perfluoro-n-decanoic acid (PFDA) were positively associated with breast cancer, and perfluoro-n-tridecanoic acid (PFTrDA) was negatively associated with breast cancer according to both the continuous-PFASs and the quartile-PFASs logistic regression models. Of note, PFOA was associated with the occurrence of estrogen receptor (ER)-, progesterone receptor (PR)-, and human epidermal growth factor receptor 2 (HER2)-positive breast cancer (ORER+ = 1.47, 95% CI: 1.19, 1.80; ORPR+ = 1.36, 95% CI: 1.09, 1.69; ORHER2 = 1.62, 95% CI: 1.19, 2.21).
CONCLUSIONS: Overall, we observed that PFASs were associated with breast cancer in Chinese women. Prospective cohort studies and mechanistic experiments are warranted to elucidate whether these associations are causal.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:21 |
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| Enthalten in: |
Environmental health : a global access science source - 21(2022), 1 vom: 09. Sept., Seite 83 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Li, Xuejun [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 13.09.2022 Date Revised 28.09.2022 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1186/s12940-022-00895-3 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM34602174X |
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| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2022. The Author(s). | ||
| 520 | |a BACKGROUND: Perfluoroalkyl substances (PFASs) are a large family of synthetic chemicals, some of which are mammary toxicants and endocrine disruptors. Recent studies have implicated exposure to PFASs as a risk factor for breast cancer in Europe and America. Little is known about the role of PFASs with respect to breast cancer in the Chinese population | ||
| 520 | |a METHODS: Participants who were initially diagnosed with breast cancer at Tianjin Medical University Cancer Institute and Hospital between 2012 and 2016 were recruited as cases. The controls were randomly selected from the participants with available blood samples in the Chinese National Breast Cancer Screening Program (CNBCSP) cohort. Ultimately, we enrolled 373 breast cancer patients and 657 controls. Plasma PFASs were measured by an ultra-performance liquid chromatography (UPLC) system coupled to a 5500 Q-Trap triple quadrupole mass spectrometer. A logistic regression model with least absolute shrinkage and selection operator (LASSO) regularization was used to calculate odds ratios (ORs) and 95% confidence intervals (CIs) to assess the relationships between PFASs and breast cancer. The three most predictive variables in the LASSO model were selected from 17 PFASs, which was based on the optimal penalty coefficient (λ = 0.0218) identified with the minimum criterion. Additionally, Bayesian kernel machine regression (BKMR) and quantile g-computation models were applied to evaluate the associations between separate and mixed exposure to PFASs and breast cancer | ||
| 520 | |a RESULTS: Perfluorooctanesulfonic acid (PFOS) exhibited the highest concentration in both the cases and controls. Perfluorooctanoic acid (PFOA) and perfluoro-n-decanoic acid (PFDA) were positively associated with breast cancer, and perfluoro-n-tridecanoic acid (PFTrDA) was negatively associated with breast cancer according to both the continuous-PFASs and the quartile-PFASs logistic regression models. Of note, PFOA was associated with the occurrence of estrogen receptor (ER)-, progesterone receptor (PR)-, and human epidermal growth factor receptor 2 (HER2)-positive breast cancer (ORER+ = 1.47, 95% CI: 1.19, 1.80; ORPR+ = 1.36, 95% CI: 1.09, 1.69; ORHER2 = 1.62, 95% CI: 1.19, 2.21) | ||
| 520 | |a CONCLUSIONS: Overall, we observed that PFASs were associated with breast cancer in Chinese women. Prospective cohort studies and mechanistic experiments are warranted to elucidate whether these associations are causal | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Bayesian kernel machine regression (BKMR) | |
| 650 | 4 | |a Breast cancer | |
| 650 | 4 | |a Case–control study | |
| 650 | 4 | |a Chinese population | |
| 650 | 4 | |a Least absolute shrinkage and selection operator (LASSO) | |
| 650 | 4 | |a Perfluoroalkyl substances (PFASs) | |
| 650 | 4 | |a Quantile g-computation approach | |
| 650 | 7 | |a Fluorocarbons |2 NLM | |
| 700 | 1 | |a Song, Fengju |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Xiaotu |e verfasserin |4 aut | |
| 700 | 1 | |a Shan, Anqi |e verfasserin |4 aut | |
| 700 | 1 | |a Huang, Yubei |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Zhengjun |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Haixin |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Qiaoyun |e verfasserin |4 aut | |
| 700 | 1 | |a Yu, Yue |e verfasserin |4 aut | |
| 700 | 1 | |a Zheng, Hong |e verfasserin |4 aut | |
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| 700 | 1 | |a Chen, Da |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Ke-Xin |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Xi |e verfasserin |4 aut | |
| 700 | 1 | |a Tang, Nai-Jun |e verfasserin |4 aut | |
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