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ENGLISH ABSTRACT
JOURNAL ARTICLE
RESEARCH SUPPORT, NON-U.S. GOV'T
[Reproductive toxicity of triptolide and its mechanism in male rats].
Zhongguo Zhong Yao za Zhi = Zhongguo Zhongyao Zazhi = China Journal of Chinese Materia Medica 2015 December
The arrenotokous toxicity of triptolide was evaluated, and the rate of sperm abnormality, the changes of the lipid peroxide, the enzyme activity and the hormone in male rats were observed. With the negative and positive control group, the healthy rats were respectively given by gavage triptolide suspension at the dose of 0.025, 0.05, 0.1 mg x kg(-1) for 30 days. Then the rats were killed for the measurement of the indicators in testis and serum, as well as the study on the sperm abnormality. The results showed that the positive control group had significant difference, compared with the negative control group. The content of SOD, LDH, G-6-PD, Na+ -K+ -ATPase, Ca+ -Mg+ -ATPase decreased significantly in 0.05 mg x kg(-1) group, and reduced more obviously with exposure to the dose of 0.1 mg x kg(-1). The levels of GSH-Px and beta-G showed a significant decrease in the testis of rats only at the dose of 0.1 mg x kg(-1). Nevertheless, the MDA levels, the FSH levels and the LH levels showed no significant difference. The deformity rate of sperm increased significantly in 0.05 mg x kg(-1) group and 0.1 mg x kg(-1) group. The results indicated the triptolide had the effect of the lipid peroxidation to damage Spermatogenic cells, Sertolis cells and Leydig cells. At the same time, the triptolide interfered not only with the energy supply process of aerobic and anaerobic glycolysis,but also with the energy utilization in testis by affecting the activities of testis marker enzymes, and produced a damage chain of the male reproductive system
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