增强光疗的新型生物光子技术:切伦科夫辐射作为电离和非电离辐射治疗之间的桥梁

E. Spyratou, Kyriakos Kokkinogoulis, G. Tsigaridas, G. Kareliotis, K. Platoni, M. Makropoulou, E. Efstathopoulos
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引用次数: 1

摘要

在肿瘤学中,已经对癌症治疗和诊断中使用替代性微创技术进行了大量研究。近年来,生物光子技术作为一种独立的治疗方法或与传统成像技术一起使用引起了研究人员的兴趣,而光热和光动力疗法等生物光子疗法由于光学仪器的不断发展,往往会使非电离辐射在治疗中的使用重新成为人们关注的焦点,增强剂、分子探针、光源和纳米载体。因此,非电离与电离辐射(IR)的耦合以及纳米医学与核医学程序的结合被认为是优化生物光子模式的治疗效果和开发更好地诊断和治疗癌症的治疗应用的革命性策略。最近,组织发射的低强度切伦科夫光作为IR-生物结构相互作用的副产品,被认为是一种有效的内部光源,可以触发光疗并使用切伦科夫成像指导放射治疗剂量测定。这篇综述还概述了关于使用X射线或放射性核苷酸产生的切伦科夫辐射并与纳米颗粒结合作为诱导增强光热和光动力疗法的混合方法的体外和体内研究。
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Novel Biophotonic Techniques for Phototherapy Enhancement: Cerenkov Radiation as a Bridge between Ionizing and Non-Ionizing Radiation Treatment
In oncology, tremendous research has been conducted on the use of alternative minimally invasive techniques for cancer treatment and diagnosis. The use of biophotonic techniques as a standalone treatment or together with conventional imaging techniques has gained interest among researchers in recent years, while biophotonic therapies such as photothermal and photodynamic therapies tend to bring the use of non-ionizing radiation in therapy back into the spotlight due to the progressive development of optical instrumentation, enhancement agents, molecular probes, light sources and nanocarriers. Thus, the coupling of non-ionizing with ionizing radiation (IR) and the combination of nanomedicine with nuclear medicine procedures are considered to be revolutionary strategies to optimize the therapeutic efficacy of biophotonic modalities and to develop theranostic applications for the better diagnosis and treatment of cancer. Recently, the low-intensity Cerenkov light emitted by tissues as a byproduct of the IR–biostructure interaction has been suggested as an effective internal light source that can trigger phototherapy and guide radiotherapy dosimetry using Cerenkov imaging. This review also provides an overview of in vitro and in vivo studies regarding the use of Cerenkov radiation produced by X-rays or radionucleotides and combined with nanoparticles as a hybrid method to induce enhanced photothermal and photodynamic therapies.
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