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Citation
Tags
HERO ID
4238296
Reference Type
Journal Article
Title
Receptor activities of persistent pollutant serum mixtures and breast cancer risk
Author(s)
Wielsøe, M; Bjerregaard-Olesen, C; Kern, P; Bonefeld-Jørgensen, EC
Year
2018
Is Peer Reviewed?
Yes
Journal
Endocrine-Related Cancer
ISSN:
1351-0088
EISSN:
1479-6821
Volume
25
Issue
3
Page Numbers
201-215
Language
English
PMID
29237712
DOI
10.1530/ERC-17-0366
Web of Science Id
WOS:000425597000014
URL
https://erc.bioscientifica.com/view/journals/erc/25/3/ERC-17-0366.xml
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Abstract
Studies on associations between persistent organic pollutants (POPs) and breast cancer risk are inconclusive. The majority of studies have evaluated the effect of single compounds, without considering multiple exposures to and interactions between different POPs. The present study aimed at evaluating breast cancer risk related to combined effects of serum POP mixtures on cellular receptor functions. Data on breast cancer cases (n = 77) and controls (n = 84) were collected among Greenlandic Inuit women. Serum mixtures of lipophilic POPs (lipPOPs), perfluoroalkyl acids (PFAAs) and dioxin-like POPs were extracted. The effect of the mixture extracts on the estrogen receptor (ER), androgen receptor (AR) and aryl hydrocarbon receptor (AhR) was determined using cell culture reporter gene assays. The serum mixtures were analyzed alone and upon co-exposure with natural receptor ligands to determine agonistic and antagonistic/competitive activity. We found that the frequency of lipPOP mixtures eliciting no, decreasing, or agonizing xenoandrogenic effect differed by breast cancer status. Using lipPOP mixtures with no effect on AR as reference, the mixtures with decreasing effects reduced breast cancer risk (OR: 0.30 (0.12; 0.76)). The AhR-toxic equivalent of serum mixtures was significantly lower in cases than in controls, and a reduced breast cancer risk was found when comparing the third tertile to the first (OR: 0.34 (0.14; 0.83)). We found no association between the xenoestrogenic activities of lipPOPs or PFAAs and breast cancer risk. Serum lipPOP mixtures are hormone disruptive and may influence breast cancer risk, whereas PFAAs seem to influence breast cancer risk through other pathways.
Tags
IRIS
•
PCBs
Supplemental
Litsearches
Litsearch: Aug 2017 - Aug 2018
PubMed
•
PCBs Epi Hazard ID
Cancer only
PFAS
•
Additional PFAS (formerly XAgency)
Literature Search November 2019
Other Sources
TEDX
Screened Studies
Included
Include (TIAB)
Supplemental
•
Expanded PFAS SEM (formerly PFAS 430)
Litsearch: September 2019
Other Sources
PFAS TOX Database
Screened Studies
Supplemental
•
PFAS 150
Literature Search August 2019
Other sources
PFAS TOX Database
•
PFDA
June 2022 Pelch Database
Literature Searches (through April 2023 update and post-public comment/peer review)a
Other
Published PFAS SEMs
•
PFHxS
Database searches
Pelch PFAS SEM
Excluded
TiAb
•
PFNA
Litsearch Update 2017-2018
Pubmed
Toxline
Literature Search
Pubmed
Toxline
June 2022 Pelch Database
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