rSAG1-PLGA纳米颗粒对C57BL/6抗刚地弓形虫的保护作用及免疫应答

M. Allahyari, Samira Amiri, A. Vatanara, Majid Golkar
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引用次数: 0

摘要

空白的PLGA,一组未接种疫苗。评估了PLGA纳米颗粒的特性、产生的IFN-γ、IL-10、特异性抗弓形虫igg的数量以及对弓形虫RH速殖子感染的保护作用。结果:rSAG1-PLGA纳米粒子的z-平均值约为450nm, Zeta电位为负。与阴性对照组相比,接种rSAG1-PLGA纳米颗粒的小鼠产生了更多的IFN-γ、特异性抗弓形虫IgG抗体和更高的IgG2a滴度,从而延长了生存时间。结论:rSAG1-PLGA纳米颗粒可诱导C57BL/6急性弓形虫病的体液和细胞反应,并具有一定的保护作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Protection and Immune Responses Elicited by rSAG1-PLGA Nanoparticles in C57BL/6 Against Toxoplasma gondii
, blank PLGA, and one group kept unvaccinated. The characteristics of PLGA nanoparticles, the amounts of produced IFN-γ, IL-10, specific anti-Toxoplasma IgGs, and the conferred protection against infection by T. gondii RH tachyzoite were assessed. Results: rSAG1-PLGA nanoparticles shared a z-average of about 450nm with negative Zeta potential. Compared with the negative control group, the mice vaccinated with rSAG1-PLGA nanoparticles produced significantly higher amounts of IFN-γ, specific anti- T. gondii IgG antibodies and higher titer of IgG2a, which resulted in longer survival times. Conclusion: The efficiency of rSAG1-PLGA nanoparticles in inducing humoral and cellular responses and consequently partial protection against acute toxoplasmosis in C57BL/6 was confirmed.
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