Effects of Di-n-butyl Phthalate and Diethyl Phthalate on Acetylcholinesterase Activity and Neurotoxicity Related Gene Expression in Embryonic Zebrafish

Overview

Journal Bull Environ Contam Toxicol

Specialties Environmental Health
Toxicology

Date 2013 Sep 18

PMID 24042840

Citations 18

Authors

Hai Xu

Xiaoling Shao

Zhen Zhang

Yanmin Zou

Yao Chen

Songlei Han

Shasha Wang

Xiangyang Wu

Liuqing Yang

Zhonglin Chen

Affiliations

Soon will be listed here.

Abstract

In the present study, zebrafish embryos were used to assess the neurotoxicity of di-n-butyl phthalate (DBP), diethyl phthalate (DEP) and their mixture. Four-hour post-fertilization (hpf) zebrafish embryos were exposed to various concentrations of DBP, DEP and their mixture (DBP-DEP) until 96 hpf. The transcriptions levels of selected neuron-related genes reported as neurotoxicity biomarkers were analyzed. The results showed that transcripts of growth associated protein 43 (gap43), embryonic lethal abnormal vision-like 3 (elavl3), glial fibrillary acidic protein (gfap), myelin basic protein (mbp), α1-tubulin and neurogenin1 (ngn1) were significantly up-regulated after DBP, DEP and DBP-DEP mixture exposure. In addition, acetylcholinesterase activity was significantly inhibited in the embryos. These results indicate that DBP and DEP have the potential neurotoxicity in zebrafish embryos.

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