Journal
ENVIRONMENTAL POLLUTION
Volume 244, Issue -, Pages 1-8Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2018.09.134
Keywords
Persistent halogenated organic pollutants; Follicular fluid; Congener profile; Possible sources
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Funding
- High Level Talents Program of South China Agricultural University [0A293-8000/217047, K17021]
- Guangdong Province Universities and Colleges Pearl River Scholar Funded Scheme (2018)
- National Natural Science Foundation of China [41703095]
- Natural Science Foundation of Guangdong Province [2016A030310264]
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Analysis of persistent halogenated organic pollutants (HOPs) in human follicular fluid is important given previous reports of their adverse effects on the reproductivity of women. In the present work, HOPs, including polybrominated diphenyl ethers (PBDEs) and polychlorinated biphenyls (PCBs), were analyzed in 127 follicular fluid samples collected from patients who were undergoing in vitro fertilization in Central China. The concentrations of Sigma 7BDEs (sum of BDE-28, -47, -99, -100, -153, -154, and -183) in follicular fluid ranged from not detected (n.d.) to 110 ng/g lipid weight (lw), with an average of 50 +/- 24 ng/g lw. BDE-100 was suggested to be an indicator of BDE congeners in follicular fluid, with the highest concentrations and showing a significantly high correlation (p < 0.01) with Sigma 7BDEs. Penta-BDE products were the principal source of PBDEs in follicular fluid samples. The concentrations of Sigma(7)CBs (CB-28, -52, -101, -118, -138, -153, and -180) in follicular fluids ranged from n.d. to 250 ng/g lw, with an average of 77 +/- 69 ng/g lw. CB-28 and CB-52 were considered to be indicator CB congeners, with tri-CBs and tetra-CBs dominating in follicular fluid. No significant correlation was observed between patient age and PBDE or PCB concentrations in follicular fluid, indicating that age was not the controlling factor influencing the bioaccumulation of most HOPs in this study. (C) 2018 Elsevier Ltd. All rights reserved.
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