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The flip side of reactive oxygen species in the tropical disease-Amoebiasis
Chemical Biology & Drug Design ( IF 3.2 ) Pub Date : 2021-09-13 , DOI: 10.1111/cbdd.13950
Sakshi Desure 1 , Arya Mallika 1 , Mrinalini Roy 1 , Anupam Jyoti 2 , Sanket Kaushik 1 , Vijay Kumar Srivastava 1
Affiliation  

Entamoeba histolytica is the conductive agent of amoebiasis. Upon the parasite's infection, macrophages and neutrophils are activated by interferon γ, IL-13 and tumour necrosis factor. These immune cells then carry out the amoebicidal activity by releasing nitric oxide synthase and reactive oxygen species (ROS). This review talks about the protective and destructive role of ROS in EhEhistolytica has defence strategies against oxidative stress which is a result of excess ROS production. They possess antioxidants for their defence such as L-Cysteine, flavodiiron proteins, peroxiredoxin and trichostatin A, which contribute to the parasite’s virulence. The ROS are harmful to the host cells as excess ROS production stimulates cell death by mechanisms like apoptosis and necroptosis. NADPH oxidase (NOX) is a key source of ROS in mammalian cells and causes apoptosis of host cells via the protein kinase transduction pathway. This review provides insights into why NOX inhibitors that could be a potent antiparasitic drug, is not effective for in vivo purposes. This paper also gives an insight into a solution that could be a potent source in generating new treatment and vaccines for amoebiasis by targeting parasite development.

中文翻译:

热带病阿米巴病中活性氧的另一面

溶组织内阿米巴是阿米巴病的导电剂。寄生虫感染后,巨噬细胞和中性粒细胞被干扰素γ、IL-13 和肿瘤坏死因子激活。然后,这些免疫细胞通过释放一氧化氮合酶和活性氧 (ROS) 来执行杀阿米巴活性。这篇综述讨论了 ROS 在Eh 中的保护和破坏作用。 。 溶组织具有针对氧化应激的防御策略,氧化应激是过量 ROS 产生的结果。它们拥有用于防御的抗氧化剂,例如 L-半胱氨酸、黄酮蛋白、过氧化还原蛋白和曲古抑菌素 A,它们有助于寄生虫的毒力。ROS 对宿主细胞有害,因为过量的 ROS 产生通过细胞凋亡和坏死性凋亡等机制刺激细胞死亡。NADPH 氧化酶 (NOX) 是哺乳动物细胞中 ROS 的主要来源,并通过蛋白激酶转导途径导致宿主细胞凋亡。这篇综述提供了为什么可能是一种有效的抗寄生虫药物的 NOX 抑制剂对体内目的无效的见解。本文还深入探讨了一种解决方案,该解决方案可能是通过针对寄生虫发展产生新的阿米巴病治疗方法和疫苗的有效来源。
更新日期:2021-10-29
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