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雌性斯普拉格-道利大鼠摄入白蒿的生殖毒性作用。

Reproductive toxic effects of Artemisia herba alba ingestion in female Spague-Dawley rats.

作者信息

Almasad Motasem M, Qazan Walid S, Daradka Haytham

机构信息

Department of Animal Production, Jarash Private University, P.O. Box 311, Jarash, 26110, Jordan.

出版信息

Pak J Biol Sci. 2007 Sep 15;10(18):3158-61. doi: 10.3923/pjbs.2007.3158.3161.

Abstract

The objectives of this study is to investigate the toxic effects of Artemisia herba Alba (300 mg/kg/ body wight) on the reproductive system after administration to female Sprague-Dawley rats weighting 250-300 g for two time periods 4 and 12 weeks. Twenty adult female rats were divided into two groups and exposed to Topiramate diet at a concentration of 300 mg/kg/body weight for two periods of time. First group containing 10 rats received treatment for 4 weeks and a second group of 10 rats received the same dose of treatment for a period of 12 weeks and compared with twenty non-exposed female rats received vehicle treatment. Female rats were allowed mating with males after 10 days prior to the last administration dose. Animals were autopsied under light anesthesia after mating and several parameters were determined including: Number of pregnant rats, body and reproductive organ weight, number of implantation sites, viable fetuses and resorption sites. Assessment of pregnancies in females was measured and the significance of these results was calculated using student's t and Chi-square tests. The effect of Artemisia herba alba exposure on fertility was assessed in terms of pregnant rats number, implantation sites, viable fetuses and resorption sites. Exposure to Artemisia herba alba for 4 weeks did not have much effect on fertility. Significant decrease in the relative ovarian weights and embryo weights in rats exposed to Artemisia herba alba were observed. Exposure to Artemisia herba alba for a 12 weeks resulted in a reduction in the percentage of pregnancies and in the number of implantation sites when compared with controls in both treatment periods. Rats receiving 12 weeks treatment showed an increase in ovarian weights and a decrease in viable fetus's number. These results indicate that long-term exposure of female rats to Artemisia herba Alba causes adverse effects on the reproductive system and fertility. The results of the current study suggest that ingestion of Artemisia herba alba by adult female rats causes adverse effects on fertility and reproduction.

摘要

本研究的目的是调查白蒿(300毫克/千克体重)对体重250 - 300克的雌性斯普拉格-道利大鼠给药4周和12周后对生殖系统的毒性作用。将20只成年雌性大鼠分为两组,以300毫克/千克体重的浓度给予托吡酯饮食,持续两个时间段。第一组10只大鼠接受治疗4周,第二组10只大鼠接受相同剂量治疗12周,并与接受赋形剂治疗的20只未暴露雌性大鼠进行比较。在末次给药剂量前10天,雌性大鼠被允许与雄性大鼠交配。交配后在轻度麻醉下对动物进行解剖,并测定几个参数,包括:怀孕大鼠数量、身体和生殖器官重量、着床部位数量、存活胎儿和吸收部位数量。测量雌性大鼠的怀孕情况,并使用学生t检验和卡方检验计算这些结果的显著性。根据怀孕大鼠数量、着床部位、存活胎儿和吸收部位评估白蒿暴露对生育能力的影响。暴露于白蒿4周对生育能力影响不大。观察到暴露于白蒿的大鼠相对卵巢重量和胚胎重量显著下降。与两个治疗期的对照组相比,暴露于白蒿12周导致怀孕百分比和着床部位数量减少。接受12周治疗的大鼠卵巢重量增加,存活胎儿数量减少。这些结果表明,雌性大鼠长期暴露于白蒿会对生殖系统和生育能力产生不利影响。本研究结果表明,成年雌性大鼠摄入白蒿会对生育能力和生殖产生不利影响。

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