过氧化氢是否有助于对整个减毒疟原虫子实体诱导的疟疾免疫?

IF 1.4 4区 医学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY
Bruno Douradinha
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引用次数: 0

摘要

疟原虫子孢子可以阻断宿主肝细胞内的凋亡途径,确保寄生虫的生存。然而,减毒的疟原虫孢子无法阻止细胞凋亡,从而为免疫细胞提供了许多寄生虫抗原。这种接触可以在人类和动物模型中预防疟疾。如果这些宿主稍后接种感染性孢子,受感染的肝细胞将发生凋亡,从而阻止寄生虫的发展。考虑到过氧化氢可以诱导细胞凋亡,它可能在减毒疟原虫介导的保护机制中发挥作用。基于已发表的描述疟原虫、过氧化氢和细胞凋亡之间关系的结果,可以为这一假设提供合理的解释。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Does hydrogen peroxide contribute to the immunity against Malaria induced by whole attenuated plasmodial sporozoites?

Plasmodium sporozoites can block apoptotic pathways within host hepatocytes, ensuring the survival of the parasite. However, attenuated plasmodial sporozoites are unable to prevent apoptosis, which provides many parasite antigens to immune cells. This exposure leads to protection against Malaria in both human and animal models. If these hosts are later inoculated with infectious sporozoites, apoptosis of infected hepatocytes will occur, preventing parasite development. Considering that hydrogen peroxide can induce apoptosis, it is plausible that it plays a role in the mechanisms associated with the protection mediated by attenuated plasmodial sporozoites. Based on published results that describe the relationship between Plasmodium, hydrogen peroxide, and apoptosis, a rational explanation can be provided for this hypothesis.

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来源期刊
CiteScore
2.90
自引率
0.00%
发文量
51
审稿时长
63 days
期刊介绍: The journal provides a medium for rapid publication of investigations of the molecular biology and biochemistry of parasitic protozoa and helminths and their interactions with both the definitive and intermediate host. The main subject areas covered are: • the structure, biosynthesis, degradation, properties and function of DNA, RNA, proteins, lipids, carbohydrates and small molecular-weight substances • intermediary metabolism and bioenergetics • drug target characterization and the mode of action of antiparasitic drugs • molecular and biochemical aspects of membrane structure and function • host-parasite relationships that focus on the parasite, particularly as related to specific parasite molecules. • analysis of genes and genome structure, function and expression • analysis of variation in parasite populations relevant to genetic exchange, pathogenesis, drug and vaccine target characterization, and drug resistance. • parasite protein trafficking, organelle biogenesis, and cellular structure especially with reference to the roles of specific molecules • parasite programmed cell death, development, and cell division at the molecular level.
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