Analisis Hambatan Perkembangan Stadium Plasmodium Falciparum Terhadap Pemberian Ekstrak Daun Salam Badak (Acmena Acuminatissima) In Vitro

Laura Wihanto, Hilkatul Ilmi, Aty Widyawaruyanti, A. Hafid, Indah S. Tantular
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引用次数: 2

Abstract

Background: The urgency generated by drug-resistant strains of malaria parasites has accelerated the need to find a new anti-malarial drug. Recent studies have shown that 80% ethanol extract Acmena acuminatissima has suitable antimalarial activities. Aim: To analyze the inhibitory effect of A. acuminatissima extract at the developmental stage of P. falciparum in infected erythrocytes in vitro. Methods: the synchronized culture of P. falciparum was incubated along with A. acuminatissima extract, and compared with negative controls. The effect on parasite growth was determined by observing the level of parasitemia and accumulation of various infective stages seen on thin blood smears after the incubation period of 12, 24, 36, and 48 hours using a light microscope with 1000 times magnification. Results: Within 48 hours of observation the difference was mainly in the proportion of ring-stage which was 2.75% in culture with the test compound and 41.41% in the negative control which showed that ethanol extract of A. acuminatissima inhibited the growth of parasites at the schizont stage into the ring stage. In trophozoite and schizonts stages of culture with test compounds, enlargement of digestive vacuole and vesiculation is obtained. Conclusion: A. acuminatissima inhibits the development of intraerythrocyt parasites at the schizonts stage and induced morphological changes.
背景:疟疾寄生虫耐药菌株产生的紧迫性加速了寻找新的抗疟疾药物的需要。近年来的研究表明,80%乙醇提取物具有较好的抗疟活性。目的:分析尖锐草提取物对体外感染恶性疟原虫红细胞发育阶段的抑制作用。方法:将恶性疟原虫同步培养与尖锐草提取物一起培养,并与阴性对照进行比较。利用1000倍放大镜观察12、24、36和48小时孵育后血薄片上的寄生水平和不同感染阶段的积累,确定对寄生虫生长的影响。结果:观察48 h内,差异主要表现在环期比例上,实验组为2.75%,阴性对照为41.41%,说明刺荆草乙醇提取物抑制了分殖期寄生虫向环期的生长。在滋养体和分裂体阶段,用试验化合物培养,得到了消化液泡增大和囊泡形成。结论:尖锐刺草可抑制分裂期红细胞内寄生虫的发育,并引起形态学改变。
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