Iron Knights with Nanosword Induced Ferroptosis in the Battle Against Oral Carcinoma

IF 9.6 1区材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Nano Letters Pub Date : 2024-12-19 DOI:10.1021/acs.nanolett.4c05070

Zhijing Yang, Zhe Yang, Dongxu Wang, Yuyang Li, Ming Hao, Boqiang Tao, Qiang Feng, Han Wu, Qirong Li, Jianing Wu, Quan Lin, Guoqing Wang, Weiwei Liu

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Abstract

Oral squamous cell carcinoma (OSCC) is a tumor characterized by cellular redox imbalance, rendering it particularly sensitive to ferroptosis treatment. However, traditional ferroptosis inducers have a few drawbacks. In this study, ultrasmall AuMn nanoclusters (AMNCs) with a bovine serum albumin (BSA) ligand were synthesized and encapsulated in natural killer (NK) cell-derived exosomes to form an Exo-AMNCs composite for targeted ferroptosis therapy of OSCC. Unlike previously reported alloyed metal nanoclusters, not only do AMNCs react with intracellular H₂O₂ to produce reactive oxygen species (ROS) and induce ferroptosis but also the BSA ligand improves biocompatibility and water solubility. These properties render AMNCs ideal for fluorescence imaging in vivo. When combined with NK cell exosomes, the Exo-AMNCs composite exhibited strong targeted imaging and therapeutic effects on OSCC. Further investigation into the mechanistic details demonstrated that Exo-AMNCs downregulate the overexpression of fat mass and obesity-associated (FTO) in OSCC and regulate the key ferroptosis-related protein glutathione peroxidase 4 (GPX4).

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来源期刊

Nano Letters 工程技术-材料科学：综合

CiteScore

16.80

自引率

2.80%

发文量

1182

审稿时长

1.4 months

期刊介绍： Nano Letters serves as a dynamic platform for promptly disseminating original results in fundamental, applied, and emerging research across all facets of nanoscience and nanotechnology. A pivotal criterion for inclusion within Nano Letters is the convergence of at least two different areas or disciplines, ensuring a rich interdisciplinary scope. The journal is dedicated to fostering exploration in diverse areas, including: - Experimental and theoretical findings on physical, chemical, and biological phenomena at the nanoscale - Synthesis, characterization, and processing of organic, inorganic, polymer, and hybrid nanomaterials through physical, chemical, and biological methodologies - Modeling and simulation of synthetic, assembly, and interaction processes - Realization of integrated nanostructures and nano-engineered devices exhibiting advanced performance - Applications of nanoscale materials in living and environmental systems Nano Letters is committed to advancing and showcasing groundbreaking research that intersects various domains, fostering innovation and collaboration in the ever-evolving field of nanoscience and nanotechnology.