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用伯纳特立克次体提取物预处理的小鼠对巴贝斯虫属和疟原虫的抗性。

Resistance to Babesia spp. and Plasmodium sp. in mice pretreated with an extract of Coxiella burnetii.

作者信息

Clark I A

出版信息

Infect Immun. 1979 May;24(2):319-25. doi: 10.1128/iai.24.2.319-325.1979.

Abstract

Mice injected intravenously with a commercially available extract of Coxiella burnetii prepared for use as the antigen in the complement fixation diagnostic test for Q fever were subsequently resistant to infection with Babesia microti, Babesia rodhaini, and Plasmodium vinckei petteri. The parasites appeared to die inside circulating erythrocytes. Protection was unaffected by exposing the pretreated mice to 900 rads on the day before they were infected. To explain these findings, it is postulated that pretreatment with Coxiella extract protects by potentiating the interferon-inducing capacity of the challenge dose of protozoa, which perhaps leads to enhanced of natural killer cells. Tumor necrosis factor also warrants investigation.

摘要

给小鼠静脉注射一种市售的伯氏考克斯氏体提取物(该提取物制备后用作Q热补体结合诊断试验中的抗原),随后这些小鼠对微小巴贝斯虫、罗得西亚巴贝斯虫和文氏疟原虫感染具有抗性。寄生虫似乎在循环红细胞内死亡。在感染前一天,将预处理过的小鼠暴露于900拉德辐射下,保护作用不受影响。为了解释这些发现,推测用考克斯氏体提取物预处理通过增强攻击剂量原生动物诱导干扰素的能力来提供保护,这可能导致自然杀伤细胞增强。肿瘤坏死因子也值得研究。

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Ann Intern Med. 1960 Nov;53:1065-74. doi: 10.7326/0003-4819-53-5-1065.
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