Jie Zhou PhD, Min Guan MD, Huili Ma MD, Xiaomeng Dong MD, Junfen Feng MD, Tong Zhang MD, Yuxin Wei MD
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引用次数: 0
摘要
炎症因子的过度表达与急性肾损伤(AKI)的发病机制密切相关。此外,活性氧(ROS)的过度产生进一步加剧了炎症反应。有鉴于此,仅针对炎症的单一疗法已被证明是不理想的。因此,本研究成功开发了一种具有抗炎和抗氧化特性的纳米粒子(SC@Se/GA)。SC@Se/GA具有更小的尺寸、更好的稳定性和肾脏靶向性。体内实验表明,SC@Se/GA的GPx酶活性比单独的SC@Se提高了近50%,表明其具有高效清除ROS的能力。同时,与游离药物 GA 相比,SC@Se/GA 在肾脏的滞留时间更长(>24 h),可显著降低炎症因子 TNF-α 和 IL-6 的水平。总之,SC@Se/GA通过其协同抗炎和抗氧化作用,可明显缓解CDDP诱导的肾损伤并恢复肾功能,为治疗AKI提供了一种新的有效策略。
Gallic acid-selenium nanoparticles with dual anti-inflammatory and antioxidant functions for synergistic treatment of acute kidney injury
The overexpression of inflammatory factors is closely related to the pathogenesis of acute kidney injury (AKI). Additionally, the overproduction of reactive oxygen species (ROS) further exacerbates the inflammatory response. In light of this, monotherapies focused solely on inflammation have proven to be suboptimal. Therefore, this study successfully developed a nanoparticle (SC@Se/GA) that possesses anti-inflammatory and antioxidant properties. The SC@Se/GA has a smaller size, better stability, and kidney-targeting. In vivo experiments showed that the GPx enzyme activity of SC@Se/GA increases by almost 50 % more than SC@Se alone, indicating its efficient ability to scavenge ROS. In the meantime, SC@Se/GA has a longer renal retention period (>24 h) than free drug GA, which can dramatically lower the levels of inflammatory factors TNF-α and IL-6. In summary, SC@Se/GA, through its synergistic anti-inflammatory and antioxidant effects, markedly alleviates CDDP-induced renal injury and restores renal function, providing a new effective strategy for treating AKI.
期刊介绍:
The mission of Nanomedicine: Nanotechnology, Biology, and Medicine (Nanomedicine: NBM) is to promote the emerging interdisciplinary field of nanomedicine.
Nanomedicine: NBM is an international, peer-reviewed journal presenting novel, significant, and interdisciplinary theoretical and experimental results related to nanoscience and nanotechnology in the life and health sciences. Content includes basic, translational, and clinical research addressing diagnosis, treatment, monitoring, prediction, and prevention of diseases.