Issue 9, 2024

Current status and prospects of MOFs loaded with H2O2-related substances for ferroptosis therapy

Abstract

Ferroptosis is a programmed cell death mechanism characterized by the accumulation of iron (Fe)-dependent lipid peroxides within cells. Ferroptosis holds excellent promise in tumor therapy. Metal–organic frameworks (MOFs) offer unique advantages in tumor ferroptosis treatment due to their high porosity, excellent stability, high biocompatibility, and targeting capabilities. Inducing ferroptosis in tumor cells primarily involves the production of reactive oxygen species (ROS), like hydroxyl radicals (˙OH), through iron-mediated Fenton reactions. However, the intrinsic H2O2 levels in tumor cells are often insufficient to sustain prolonged consumption, limiting therapeutic efficacy if ˙OH production is inadequate. Therefore, catalyzing or supplementing the intracellular H2O2 levels in tumor cells is essential for inducing ferroptosis by nanoscale metal–organic frameworks. This article reviews the biological characteristics and molecular mechanisms of ferroptosis, introduces H2O2-related substances, and reviews MOF-based nanoscale strategies for enhancing intracellular H2O2 levels in tumor cells. Finally, the challenges and prospects of this approach are discussed, aiming to provide insights into improving the effectiveness of ferroptosis induced by MOFs.

Graphical abstract: Current status and prospects of MOFs loaded with H2O2-related substances for ferroptosis therapy

Article information

Article type
Review Article
Submitted
15 Apr 2024
Accepted
26 Jun 2024
First published
27 Jun 2024

RSC Med. Chem., 2024,15, 2996-3016

Current status and prospects of MOFs loaded with H2O2-related substances for ferroptosis therapy

Y. Deng, S. Huang, G. Jiang, L. Zhou, A. Nezamzadeh-Ejhieh, J. Liu and Z. Zhou, RSC Med. Chem., 2024, 15, 2996 DOI: 10.1039/D4MD00261J

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