Vitamin k3-Loaded Magnetic Nanoparticle-Mediated Synergistic Magnetothermodynamic Therapy Evokes Massive ROS and Immune Modulation for Augmented Antitumor Potential

活性氧 促炎细胞因子 癌症研究 细胞凋亡 材料科学 免疫系统 肿瘤微环境 炎症 医学 免疫学 生物 细胞生物学 生物化学
作者
Anjali Chauhan,Km Anjaly,Anamika Saini,Ravi Kumar,Bijoy K. Kuanr,Deepika Sharma
出处
期刊:ACS Applied Materials & Interfaces [American Chemical Society]
卷期号:15 (23): 27515-27532 被引量:10
标识
DOI:10.1021/acsami.3c01702
摘要

Magnetic nanoparticle (MNP)-mediated magnetic hyperthermia (MHT) under an alternating magnetic field (AMF) causes tumor regression via reactive oxygen species (ROS) generation. However, less therapeutic efficacy has been reported due to the generation of low levels of ROS in a hypoxic tumor microenvironment. Therefore, improved treatments are required to generate relatively high levels of ROS to promote irreversible oxidative damage to the tumor cells. Herein, we report a magnetothermodynamic (MTD) therapy, as a robust and versatile approach for cancer treatment, by combining the magnetothermodynamic-related ROS and heat-related immunological effect in order to overcome the aforementioned obstacle. The synergistic therapy was achieved by the development of vitamin k3 (Vk3)-loaded copper zinc ferrite nanoparticles (Vk3@Si@CuZnIONPs) as an efficient MTD agent. The in vitro results unveiled that enhanced ROS production under the influence of AMF is a predominant aspect in yielding an assertive anticancer response. The in vivo antitumor response was assessed in an ectopic tumor model of A549 lung adenocarcinoma by MTD. The tumor inhibition rate of 69% was achieved within 20 days of MTD treatment, exhibiting complete tumor eradication within 30 days. The validation of antitumor response was marked by severe apoptosis (TUNEL, Caspase-3) in the Vk3@Si@CuZnIONPs + AMF-treated group. The higher expression level of heat shock proteins and proinflammatory cytokines (IL-6, TNF-α, IL-1α, IL-1β) was speculated to play a role in the activation of immune response for faster tumor regression in the MTD-treated group. Therefore, by implementing a dual ROS and heat-mediated immunogenic effect, the antitumor efficiency of future cancer magnetotherapies will be greatly enhanced.
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