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1.广西中医药大学 科学实验中心,药学院,南宁 530200
2.多伦多大学 医学院,多伦多 M5S 1A8
张明哲,在读硕士,从事中药药理与中药新药研发研究,E-mail:zhangmingzhe184@163.com
杜正彩,硕士,研究员,从事中药药效筛选及新产品开发研究,E-mail:duzhengcai8@163.com
收稿日期:2020-07-11,
网络出版日期:2020-07-21,
纸质出版日期:2020-09-20
移动端阅览
张明哲,陈章美,莫柳英等.基于斑马鱼模型的交泰丸安全性评价[J].中国实验方剂学杂志,2020,26(18):51-57.
ZHANG Ming-zhe,CHEN Zhang-mei,MO Liu-ying,et al.Safety Evaluation of Jiaotaiwan Based on Zebrafish Model[J].Chinese Journal of Experimental Traditional Medical Formulae,2020,26(18):51-57.
张明哲,陈章美,莫柳英等.基于斑马鱼模型的交泰丸安全性评价[J].中国实验方剂学杂志,2020,26(18):51-57. DOI: 10.13422/j.cnki.syfjx.20201821.
ZHANG Ming-zhe,CHEN Zhang-mei,MO Liu-ying,et al.Safety Evaluation of Jiaotaiwan Based on Zebrafish Model[J].Chinese Journal of Experimental Traditional Medical Formulae,2020,26(18):51-57. DOI: 10.13422/j.cnki.syfjx.20201821.
目的
2
以斑马鱼胚胎为研究对象,观察交泰丸水提物对斑马鱼胚胎的生长发育毒性,心脏毒性及肝肾毒性,为交泰丸临床安全合理用药及新产品开发提供参考。
方法
2
生长发育及心脏毒性实验以受精后12 h(hpf)发育正常的斑马鱼胚胎作为模型动物,以125,250,500 mg·L
-1
交泰丸水提物培养上述胚胎,于受精后72 h(hpf)观察半数致死量及药物对胚胎心率及心脏形态学的影响;肝肾毒性实验以受精后72 h(hpf)发育正常的斑马鱼幼鱼作为模型动物,以125,250,500 mg·L
-1
交泰丸水提物培养上述胚胎,于受精后7 d(dpf)观察半数致死量及药物对斑马鱼幼鱼形态学改变,检测丙氨酸氨基转移酶(ALT),天冬氨酸氨基转移酶(AST)活性和肌酐含量。
结果
2
生长发育毒性实验中空白组斑马鱼胚胎发育正常,心脏发育完好,心跳均匀有力。交泰丸水提物对斑马鱼胚胎72 h的半数致死量(LD
50
)为1 023 mg·L
-1
。与空白组胚胎比较,250,500 mg·L
-1
交泰丸水提物组可以观察到胚胎头部变小,体长变短(
P<
0.05),眼睛半径减小(
P
<
0.05),可见显著心包水肿,心率显著降低(
P
<
0.01),静脉窦-动脉球(SV-BA)间距明显增大(
P
<
0.05),心房、心室面积均明显减小(
P
<
0.05),瓣膜间距(AV channel)距离显著变大(
P
<
0.01),入血口距离显著变小(
P
<
0.01)。急性毒性实验中,交泰丸水提物对斑马鱼幼鱼72 h的LD
50
为1 067 mg·L
-1
;与空白组比较,交泰丸水提物可明显降低斑马鱼幼鱼体内ALT活性(
P
<
0.05)。
结论
2
该实验发现交泰丸具有明显胚胎发育毒性,主要表现为生长发育延缓及严重的心脏毒性,对孕妇、哺乳期妇女及心脏病患者临床用药时应予以高度重视。
Objective
2
To take zebrafish embryo as the research object
in order to investigate the development toxicity
cardiotoxicity
liver toxicity and kidney toxicity of water extract of Jiaotaiwan (JTW) on zebrafish embryo.
Method
2
Zebrafish embryos with normal development at 12 h (hpf) after fertilization were selected as model animals for the growth and cardiotoxicity experiments. The embryos were treated with 125
250
500 mg·L
-1
of JTW water extracts
and the effects of the drugs on the heart rate and morphology of the embryos and LD
50
were observed at 72 h (hpf) after fertilization. Zebrafish embryos with normal development at 72 h (hpf) after fertilization were used as model animals for the liver and kidney toxicity experiments. The embryos were treated with 125,250,500 mg·L
-1
of JTW water extracts
and the effect of the drugs on morphological changes
Alanine aminotransferase(ALT)
Aspartate aminotransferase (AST) activity
and creatinine content of the larvae and LD
50
were observed at 72 d (dpf) after fertilization.
Result
2
The zebrafish embryos in control group developed normally
the heart was well developed
and the heartbeat was even and powerful. The LD
50
of JTW water extract on zebrafish embryos for 72 h was 1 023 mg·L
-1
. Compared with the embryos in the control group
250,500 mg·L
-1
treatment groups in the development toxicity had a smaller head
shorter body lengths (
P
<
0.05)
and decreased eye size (
P
<
0.05). Compared with the control group embryos
the pericardial edema was observed in the 500 mg·L
-1
group
the heart rate was significantly decreased in the 250,500 mg·L
-1
JTW water extract groups (
P
<
0.01)
the atrial and ventricular areas were significantly reduced (
P
<
0.05)
the distance of SV-BA became significantly larger (
P
<
0.05)
the distance of AV channel became significantly larger (
P
<
0.01)
and the in-flow distance was significantly shorter (
P
<
0.01). In the acute toxicity experiment
the LD
50
of JTW water extract for zebrafish larvae for 72 h was 1 067 mg·L
-1
. Compared with control group
JTW water extract significantly reduced ALT activity in zebrafish larvae (
P
<
0.05).
Conclusion
2
This experiment found that JTW has an obvious toxicity in embryonic development
which is mainly manifested as delayed growth and severe cardiotoxicity. Great attention shall be paid to clinical administration to pregnant women
lactating women and patients with heart disease.
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