Effects of different concentrations of dimethylsulfoxide on development of zebrafish embryos and dopamine neurons

Jinfan GAN; Yongmei WU; Shurong LI; Bingyin SU

doi:10.16016/j.1000-5404.201903087

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Effects of different concentrations of dimethylsulfoxide on development of zebrafish embryos and dopamine neurons

Basic Medicine | 更新时间：2026-01-09

- Effects of different concentrations of dimethylsulfoxide on development of zebrafish embryos and dopamine neurons
- Journal of Third Military Medical University Vol. 41, Issue 16, Pages: 1538-1544(2019)
- 作者机构：
  
  610500 成都, 成都医学院人体解剖与组织胚胎学教研室，发育与再生四川省重点实验室
- 作者简介：
- 基金信息：
  
  the Key Project of Sichuan Provincial Department of Education(17ZA0108);the Key Project for Applied Basic Research of Sichuan Provincial Department of Science and Technology(2017JY0138);the Key Project for Applied Basic Research of Sichuan Provincial Department of Science and Technology(2019YJ0366)
- DOI：10.16016/j.1000-5404.201903087
  CLC： Q954.4; R338.1; R992
- Received：15 March 2019，
  
  Revised：2019-05-07，
  
  Published：30 August 2019
- 稿件说明：
移动端阅览
Jinfan GAN, Yongmei WU, Shurong LI, et al. Effects of different concentrations of dimethylsulfoxide on development of zebrafish embryos and dopamine neurons[J]. Journal of Third Military Medical University, 2019, 41(16): 1538-1544.
DOI：

Jinfan GAN, Yongmei WU, Shurong LI, et al. Effects of different concentrations of dimethylsulfoxide on development of zebrafish embryos and dopamine neurons[J]. Journal of Third Military Medical University, 2019, 41(16): 1538-1544. DOI： 10.16016/j.1000-5404.201903087.

摘要

目的

研究不同浓度的二甲基亚砜(dimethylsulfoxide，DMSO)对斑马鱼胚胎、多巴胺能(dopaminergic，DA)神经元发育的影响。

方法

收集同亲代

(

Vmat

GFP

)斑马鱼产下的胚胎，简单随机分为10组：空白对照组，0.1%、0.3%、0.5%、0.8%、1.0%、1.5%、2.0%、2.5%、3.0% DMSO(体积比)组。于浓度梯度下培养，统计存活率、畸形率、孵化率；分析行为学变化；利用激光共聚焦显微镜观察DA神经元的发育，PH3抗体检测细胞增殖及TUNEL试剂盒检测细胞凋亡。

结果

DMSO浓度为2.5%时，斑马鱼存活率明显降低(

0.01)；DMSO浓度为2.0%时，斑马鱼畸形率明显升高(

0.01)、孵化率明显降低(

0.05)；DMSO浓度为2.5%时，斑马鱼胚胎尾部摆动次数明显减少(

0.05)。DMSO浓度为0.5%时间脑DA神经元明显减少(

0.05)；DMSO大于0.3%时，间脑细胞增殖明显减少(

0.01)；DMSO浓度≥0.8%时间脑细胞凋亡增加。

结论

DMSO会引起斑马鱼胚胎发育障碍，其神经毒性造成间脑DA神经元丢失及细胞增殖的减少。

Abstract

Objective

To study the effect of exposures to different concentrations of dimethyl sulfoxide (DMSO) on the development of zebrafish embryos and dopaminergic (DA) neurons.

Methods

(

Vmat2

GFP

) zebrafish embryos of the same generation were randomized into 10 groups at 6 h post-fertilization for exposures to 9 concentrations (0.1%

0.3%

0.5%

0.8%

1.0%

1.5%

2.0%

2.5%

and 3.0%; V/V) of DMSO for 72 h or without any exposure (bl

ank control group). The survival rate

deformity rate

hatching rate and behavioral changes of the embryos were analyzed. The development of DA neurons was observed using laser confocal microscopy

and the cell proliferation and apoptosis were detected using PH3 antibody and an apoptosis detection kit

respectively.

Results

Exposure to 2.5% DMSO significantly decreased the survival rate of the zebrafish embryos (

0.01); at the concentration of 2.0%

DMSO exposure caused an obvious increase in the malformation rate (

0.01) and a decrease in the hatching rate of the embryos (

0.05); DMSO at 2.5% significantly decreased the frequency of tail swing of the zebrafish embryos (

0.05). Zebrafish embryos exposed to 0.5% DMSO showed a significantly reduced number of DA neurons (

0.05). Exposure of the zebrafish embryos to DMSO at a concentration above 0.3% significantly reduced the proliferation of the diencephalon cells (

0.01)

and a DMSO concentration above 0.8% could obviously increase apoptosis of the dopaminergic neurons.

Conclusion

DMSO exposure causes developmental disorders in zebrafish embryos

and its neurotoxicity can result in loss of dopaminergic neurons in the diencephalon and suppress the cell proliferation.

关键词

Keywords

references

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Related Institution

Center for Dermatology and Medical Cosmetology， the Second Affiliated Hospital of Chongqing Medical University

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