ArticleAdvanced healthcare materials2026
Doxorubicin-Loaded Metal-Organic Framework for Ferroptosis-Enhanced Chemotherapy Through Sustained Zn Release and Glutathione Peroxidase Downregulation.
Article in Advanced healthcare materials, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
As a cornerstone of cancer treatment, chemotherapy is frequently hindered by poor tumor specificity, systemic toxicity, and the emergence of drug resistance. These limitations underscore the need for innovative therapeutic strategies that can circumvent resistance mechanisms and enhance cancer cell cytotoxicity. Herein, we report the development of a structurally robust zinc-based metal-organic framework (ZnMOF) constructed from 4,4'-di(pyrazol-4-yl)-1,1'-biphenyl ligands for simultaneous ferroptosis induction and chemotherapeutic delivery. Compared to the widely used ZIF-8, the newly developed ZnMOF exhibits superior structural stability under physiological conditions, robust doxorubicin (DOX) loading, and pH-responsive drug release in acidic tumor microenvironments. In addition to efficient DOX delivery, ZnMOF effectively promotes ferroptosis by elevating intracellular reactive oxygen species, depleting glutathione, and inducing lipid peroxidation. In vivo studies using CT26 and MC38 colon carcinoma models demonstrated potent antitumor efficacy of DOX-loaded ZnMOF, achieving tumor growth inhibition values of 0.91 and 0.93, respectively. These results position ZnMOF as a promising multifunctional nanoplatform for overcoming chemoresistance and enhancing therapeutic outcomes through ferroptosis-based combination cancer therapy.
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