» Articles » PMID: 39115910

Mesoporous Zinc-polyphenol Nanozyme for Attenuating Renal Ischemia-reperfusion Injury

Overview
Specialty Biotechnology
Date 2024 Aug 8
PMID 39115910
Authors
Affiliations
Soon will be listed here.
Abstract

To target the reactive oxygen species (ROS) accumulation and renal tubular epithelial cell (rTEC) death in renal ischemia-reperfusion injury (IRI), we constructed a nanoparticle that offers ROS scavenging and rTEC-death inhibition: mesoporous zinc-tannic acid nanozyme (ZnTA). After successfully constructing ZnTA, we proceeded to examine its effect on ROS accumulation, cellular ferroptosis and apoptosis, as well as injury severity. Malondialdehyde, Fe amounts and 4-HNE staining demonstrated that ZnTA effectively attenuated rTEC ferroptosis. TUNEL staining confirmed that Zn carried by ZnTA could effectively inhibit caspase 3 and caspase 9, mitigating apoptosis. Finally, it reduced renal IRI through the synergistic effect of ROS scavenging and cell-death inhibition. This study is expected to provide a paradigm for a combined therapeutic strategy for renal IRI.

References
1.
Xu M, Zhao M, Zheng D . Effect of IGF-1C domain-modified nanoparticles on renal ischemia-reperfusion injury in mice. Ren Fail. 2022; 44(1):1376-1387. PMC: 9389927. DOI: 10.1080/0886022X.2022.2098773. View

2.
Velazquez-Delgado E, Hardy J . Zinc-mediated allosteric inhibition of caspase-6. J Biol Chem. 2012; 287(43):36000-11. PMC: 3476268. DOI: 10.1074/jbc.M112.397752. View

3.
Thomas K, Zondler L, Ludwig N, Kardell M, Luneburg C, Henke K . Glutamine prevents acute kidney injury by modulating oxidative stress and apoptosis in tubular epithelial cells. JCI Insight. 2022; 7(21). PMC: 9675453. DOI: 10.1172/jci.insight.163161. View

4.
Chen Q, Nan Y, Yang Y, Xiao Z, Liu M, Huang J . Nanodrugs alleviate acute kidney injury: Manipulate RONS at kidney. Bioact Mater. 2022; 22:141-167. PMC: 9526023. DOI: 10.1016/j.bioactmat.2022.09.021. View

5.
Xia K, Qiu T, Jian Y, Liu H, Chen H, Liu X . Degradation of histone deacetylase 6 alleviates ROS-mediated apoptosis in renal ischemia-reperfusion injury. Biomed Pharmacother. 2023; 165:115128. DOI: 10.1016/j.biopha.2023.115128. View