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载有芹菜素-7-葡萄糖苷的纳米颗粒通过ATF3/SLC7A11介导的铁死亡减轻肠道缺血再灌注损伤

Apigenin-7-glucoside-loaded nanoparticle alleviates intestinal ischemia-reperfusion by ATF3/SLC7A11-mediated ferroptosis.

作者信息

Zhao Xuerong, Wang Zhuoya, Wu Guanlin, Yin Lianhong, Xu Lina, Wang Ning, Peng Jinyong

机构信息

College of Pharmacy, Dalian Medical University, Dalian 116044, China.

College of Pharmacy, Dalian Medical University, Dalian 116044, China.

出版信息

J Control Release. 2024 Feb;366:182-193. doi: 10.1016/j.jconrel.2023.12.038. Epub 2024 Jan 2.

Abstract

Intestinal ischemia reperfusion injury (II/R injury) is a common and intractable pathophysiological process in critical patients, for which exploring new treatments and mechanisms is of great importance to improve treatment outcomes. Apigenin-7-O-Glucoside (AGL) is a sugar derivative of apigenin natural product with various pharmacological activities to protect against intestinal diseases. In this study, we synthesized two amphiphilic molecules, namely DTPA-N10-10 and mPEG-TK-DA, which can scavenge free radicals and reactive oxygen species (ROS). They were successfully encapsulated AGL through self-assembly, resulting in the formation of multi-site ROS scavenging nanoparticles called PDN@AGL. In vitro and in vivo experiments demonstrated that PDN@AGL could protect intestinal tissues by reducing lipid peroxidation, lowering ROS levels and inhibiting ferroptosis during II/R injury. Furthermore, our study revealed, for the first time, that the regulation of the ATF3/SLC7A11 pathway by PDN@AGL may play a crucial role in mitigating II/R injury. In conclusion, our study confirmed the beneficial effects of PDN@AGL in combating II/R injury through the ATF3/SLC7A11-mediated regulation of ferroptosis and oxidative stress. These findings lay the groundwork for the potential application of PDN@AGL in the treatment of II/R injury.

摘要

肠道缺血再灌注损伤(II/R损伤)是危重症患者中常见且棘手的病理生理过程,探索新的治疗方法和机制对于改善治疗效果至关重要。芹菜素-7-O-葡萄糖苷(AGL)是芹菜素天然产物的糖衍生物,具有多种预防肠道疾病的药理活性。在本研究中,我们合成了两种两亲性分子,即DTPA-N10-10和mPEG-TK-DA,它们可以清除自由基和活性氧(ROS)。它们通过自组装成功包裹了AGL,形成了称为PDN@AGL的多位点ROS清除纳米颗粒。体外和体内实验表明,PDN@AGL可以通过减少脂质过氧化、降低ROS水平和抑制II/R损伤期间的铁死亡来保护肠道组织。此外,我们的研究首次揭示,PDN@AGL对ATF3/SLC7A11通路的调节可能在减轻II/R损伤中起关键作用。总之,我们的研究证实了PDN@AGL通过ATF3/SLC7A11介导的铁死亡和氧化应激调节在对抗II/R损伤中的有益作用。这些发现为PDN@AGL在II/R损伤治疗中的潜在应用奠定了基础。

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