摘要
背景:糖基磷脂酰肌醇(GPI)锚是位于所有真核生物细胞膜上的分子。 GPI锚定的蛋白质,酶和其他大分子是细胞之间相互作用的必要元素,与高级真核生物相比,原生动物寄生虫广泛使用它们。 方法:收集了一百多份参考资料,以获取有关哺乳动物和原生动物寄生虫的GPI结构,生物合成途径,功能以及将这些分子用作对抗寄生虫疾病的药物靶标的广泛信息。 比较并强调了物种之间GPI之间的差异。 根据文献报道,讨论了针对原生动物GPI锚的药物发现和开发策略。 结果:有许多证据表明GPI锚对于寄生虫的生存以及与宿主细胞的相互作用至关重要。 尽管所有GPI锚均包含保守的聚糖核心,但它们在生物体之间的结构特征和生物合成途径方面仍存在差异,可以提供足够的选择性以验证GPI锚为药物靶标。 讨论的焦点集中在以下寄生虫:锥虫锥虫,克鲁斯锥虫,利什曼原虫,恶性疟原虫和弓形虫,热带被忽视疾病的致病菌。 结论:本篇文章讨论了寄生和哺乳动物GPI锚生物合成和结构之间的主要差异,以及基于GPI锚的新型抗寄生虫疗法的战略开发线索。
关键词: 糖基磷脂酰肌醇(GPI),磷脂酰肌醇,原生动物,脂肽磷酸聚糖(LPPG),药物发现,免疫疗法。
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