期刊
EXPERIMENTAL PARASITOLOGY
卷 165, 期 -, 页码 95-102出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.exppara.2016.03.020
关键词
Anti-Toxoplasma gondii effect; Oxymatrine; Matrine; Toxicity; In vitro and in vivo
类别
资金
- National Natural Science Foundation of China [81160409]
Toxoplasma gondii (T. gondii) is an important pathogen which can causes serious public health problems. Since the current therapeutic drugs for toxoplasmosis present serious host toxicity, research on effective and new substances of relatively low toxicity is urgently needed. This study was carried out to evaluate the anti-parasitic effect of oxymatrine (OM) and matrine (ME) against T. gondii in vitro and in vivo. In our study, the anti-T. gondii activities of ME and OM were evaluated in vitro using cell counting kit-8 assay, morphological observation and trypan blue exclusion assay. In vivo, mice were sacrificed four days post infection and ascites were drawn out to determine the extent of tachyzoite proliferation. Viscera indexes and liver biochemical parameters, such as alanine aminotransferase (ALT), aspartate aminotransferase (AST), glutathione (GSH) and malondialdehyde (MDA), were examined to evaluate the toxicity of compounds to mice. As a result, OM and ME showed anti-T. gondii activity but low selectivity toxicity to HeLa cells. Both compounds also significantly decreased the number of tachyzoites in peritoneal cavity and recovered the levels of ALT, AST, GSH and MDA in liver. Moreover, the mice treated with OM or ME achieved better results in viscera index and survival rate than that of spiramycin. These results suggest that OM and ME are likely the sources of new drugs for toxoplasmosis, and further studies will be necessary to compare the efficacy of drug combination, as well as identify its action of mechanism. (C) 2016 Elsevier Inc. All rights reserved.
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