期刊
ENVIRONMENTAL POLLUTION
卷 231, 期 -, 页码 1051-1062出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2017.08.060
关键词
Phthalates; Reproduction; Female fertility; Endocrine disruption
资金
- PRIN [2010W87LBJ]
- NSERC [RT69-0017]
Di-isononyl phthalate (DiNP) is a high molecular weight phthalate commonly used as a plasticizer. It was introduced as a replacement for bis (2-ethylhexyl) phthalate (DEHP) which is used in the production of plasticized polyvinyl chloride (PVC). The purpose of this study was to investigate for the first time the effect of DiNP on female reproductive physiology in Danio rerio. Fish were exposed to five different doses of DiNP plus control (0 mu g/L; 0.42 mu g/L; 4.2 mu g/L; 42 mu g/L; 420 a; 4200 mu g/L) for a period of 21 days. We evaluated fish fecundity, oocyte growth, autophagic and apoptotic processes, as well as changes in morphological and biochemical composition of oocytes, using, qPCR analysis, histology and Fourier transform infrared imaging. The results demonstrate a non-monotonic dose response to DiNP. Greater differences were observed at the lowest (0.42 mu g/L) and higher concentrations (420 mu g/L; 4200 mu g/L) of DiNP. The findings provide evidence that exposure to DiNP adversely affect oocytes growth and maturation, leading to abnormal gonadal development and reproduction in zebrafish. (C) 2017 Elsevier Ltd. All rights reserved.
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