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HIV‐1 infection modulates IL‐24 expression which contributes to cell apoptosis in vitro

机译:HIV-1感染调节IL-24表达,其有助于体外细胞凋亡

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Abstract Although interleukin‐24 (IL‐24) has been extensively explored in the immunopathologies of autoimmune diseases, neoplasms, and infections, its role in HIV‐1 infection has not been thoroughly elucidated to date. Therefore, the objective of this study was to evaluate the gene and protein expressions of IL‐24 at the initial moments of HIV infection in PBMCs. Due to the pro‐apoptotic role of IL‐24, we evaluated the protein expression of caspase‐3, as well as Annexin V/Propidium Iodide flow cytometry and phosphorylation of ERK, which may induce an apoptotic signal block when phosphorylated. The results of this study demonstrated that HIV‐1 infection had an impact on the gene and protein expressions of IL‐24 and ERK. Annexin V/Propidium Iodide assay demonstrated decrease in the mechanisms of apoptosis in infected cells after incubation of IL‐24 neutralizing antibody. Studies on how HIV‐1 regulates IL‐24 expression may play a role in characterizing viral persistence mechanisms and designing antiretroviral strategies.
机译:摘要虽然白细胞介素-24(IL-24)在自身免疫疾病,肿瘤和感染的免疫病理学中被广泛探索,但其在HIV-1感染中的作用并未彻底阐明到目前为止。因此,本研究的目的是评估IL-24的基因和蛋白表达在PBMCs中的艾滋病毒感染的初始矩。由于IL-24的促凋亡作用,我们评估了Caspase-3的蛋白质表达,以及吞噬碘化物碘化物流式细胞术和ERK的磷酸化,其在磷酸化时可以诱导凋亡信号块。本研究的结果表明,HIV-1感染对IL-24和ERK的基因和蛋白表达产生了影响。膜蛋白v /碘化丙啶测定证明在IL-24中和抗体孵育后感染细胞中细胞凋亡的机制降低。研究HIV-1如何调节IL-24表达可能在表征病毒持久性机制和设计抗逆转录病毒策略方面发挥作用。

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