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Long-term protection of mice against Leishmania major with a synthetic peptide vaccine

机译:合成肽疫苗可长期保护小鼠免于重度利什曼原虫病

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摘要

A single synthetic T cell epitope (PT3), obtained from the histidine zinc-binding region of the metalloprotease gp63, was used in a vaccine trial using 2 virulent strains of Leishmania major (LV39 MRHP/SU/59 Neals strain and WHOM/IR/-/173). When a single subcutaneous injection of PT3 was delivered with the Th1 stimulating adjuvant poloxamer 407, BALB/c mice were protected for at least 10 months against the disease. Vaccinated mice were largely free of lesions on termination of the experiment. Protection was similar for both strains, which manifest different disease sequelae.
机译:从金属蛋白酶gp63的组氨酸锌结合区获得的单个合成T细胞表位(PT3),已在一项疫苗试验中使用,使用了2株大利什曼原虫的强毒株(LV39 MRHP / SU / 59 Neals株和WHOM / IR / -/ 173)。当用刺激Th1的佐剂泊洛沙姆407一次皮下注射PT3时,BALB / c小鼠至少可以抵抗该疾病10个月。接种的小鼠在实验终止时基本上没有损伤。两种菌株的保护作用相似,表现出不同的疾病后遗症。

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