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青蒿素对感染伯氏疟原虫红细胞及游离疟原虫表面结构的影响

EFFECTS OF QINGHAOSU ON THE SURFACE STRUCTURE OF ERYTHROCYTES INFECTED WITH PLASMODIUM BERGHEI AND THE ERYTHROCYTE-FREE PARASITES

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【作者】 叶祖光李泽琳李桂琴傅湘琦侯燕明

【Author】 Ye Zuguang, Li Zelin, Li Guiqin, Fu Xiangqi, Hou Yanming Institute of Chinese Materia Medico, China Academy of Traditional Chinese Medicine; Institute of Basic Theory, China Academy of Traditional Chinese Medicine

【机构】 中国中医研究院中药研究所中医基础理论研究所中医基础理论研究所

【摘要】 用扫描电镜观察了感染伯氏疟原虫鼠的红细胞及游离疟原虫的表面结构,结果表明1/4感染伯氏鼠疟的红细胞表面结构出现“代谢窗”,游离疟原虫形态与国外有关报道相同。青蒿素对正常红细胞及感染伯氏鼠疟原虫的红细胞表面结构均未见形态学损伤,而游离疟原虫在青蒿素作用的后期显示病理学改变。

【Abstract】 With scanning electron microscope, the surface structure of erythrocytes of the normal mice, of the mice infected with P. berghei and the erythrocyte-free parasites was observed. The results revealed three types of alterations on the surface of about 25% of the erythrocytes infected with P. berghei: 1. Obvious deepening of the ery-throcytic concavities; 2. small and deep invagination of the erythrocyte surface membrane; 3. crater-like pits on the erythrocyte surface. All of the altered portions mentioned above are named as "metabolic window". The erythrocyte-free P. berghei has a relatively smooth surface. The free malarial parasites are spherical with an average diameter of 3.2μm.Qinghaosu at the oral dose of 1.2g/kg had no appreciable effect on the surface of normal erythrocytes nor on that of the erythrocytes infected with P. berghei. Furthermore, no marked changes on the free malarial parasites were found 4 hours after the medication of qinghaosu. However, the erythrocyte-free parasites became significantly smaller and irregular in shape in the late period under qinghaosu action.

  • 【文献出处】 寄生虫学与寄生虫病杂志 ,Chinese Journal of Parasitology and Parasitic Diseases , 编辑部邮箱 ,1986年04期
  • 【被引频次】8
  • 【下载频次】96
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