Abd El-Kaream Samir Ali, Hamoda Safia Ali Hussein, El Kholey Sohier Mahmoud, El-Sharkawy Awatef Mohamed
Alexandria University, Alexandria, Egypt.
Lasers Med Sci. 2025 Mar 24;40(1):156. doi: 10.1007/s10103-025-04387-x.
Sono-photodynamic therapy (SPDT) has attracted a lot of interest as a cutting-edge therapeutic strategy in the field of cancer treatment. The essential part of SPDT is the sensitizer, which under laser photon and pulsed cavitation ultrasound sono-irradiation may transform sono and photo- energy into cytotoxic molecules. Photon absorption, targeting, penetration, and oxygen dependence remain challenges in sono- -photosensitizer (SPs) design. Rapid advancements in material science have prompted the creation of several SPs that create cytotoxic species with great selectivity, safety, and noninvasiveness for the treatment of tumors. The current study aims to provide an advanced method of activated cancer treatment by using pulsed cavitation to assist the delivery of cardamom, pistacia and laurel conjugated micelles nanoparticles (CPL-Micelle NP) for the sono-photodynamic lymphoma in vivo and in vitro treatment. Human lymphoma cells (U-937) were used in the in vitro study, and the in vivo application groups of the study protocol were Swiss albino mice treated with 9,10-Dimethyl-1,2-Benzanthracene (DMBA) only; they were not given any treatment to induce lymphoma. The study treatment protocol started only after lymphoma induction, and involved daily administration of CPL-Micelle NP as SPDT sensitizer whether or not to be exposed to photo- (IRL) or sono- (US) or a combination of them for three minutes for a period of two weeks. Indicated that Micelle NP is a useful CPL delivery mechanism that targets lymphoma cells directly. Furthermore, CPL-Micelle NP is a promising SPS that, when used in conjunction with SPDT, can be very effective in in vitro treating lymphoma-U-937 (in a dose-dependent manner cell viability declined, an increase in the cells population during the S and G2/M phases indicates that the cell cycle was arrested, and an increase in cell population in the Pre-G, autophagic cell death, as well as necrosis and early and late apoptosis, indicate that cell death was induced) and DMBA-Lymphoma-induced mice in vivo (induced antiproliferative genes, repressed antiangiogenic and antiapoptotic genes), successfully slowing the growth of tumors and even killing cancer cells, as well as lowering oxidative stress malondialdehyde (MDA), improving the functions of the kidneys, liver, and enzymatic and non enzymatic antioxidants. SPDT, the photo- or sono- chemical CPL activation mechanism, and the antioxidant capacity of non-activated CPL can all be linked to this process. On the bases of the findings, CPL-Micelle NP shows a great promise as a novel, efficient selective delivery system for localized SPDT-activated lymphoma treatment.
声动力疗法(SPDT)作为癌症治疗领域的一种前沿治疗策略,已引起广泛关注。SPDT的核心部分是敏化剂,在激光光子和脉冲空化超声声辐照下,敏化剂可将声能和光能转化为细胞毒性分子。在声敏化剂(SPs)设计中,光子吸收、靶向性、穿透性和氧依赖性仍是挑战。材料科学的快速发展促使人们开发出了几种SPs,它们能产生具有高选择性、安全性和非侵入性的细胞毒性物质用于肿瘤治疗。本研究旨在提供一种先进的激活癌症治疗方法,即利用脉冲空化辅助递送小豆蔻、黄连木和月桂共轭胶束纳米颗粒(CPL-胶束NP),用于体内外声动力治疗淋巴瘤。体外研究使用人淋巴瘤细胞(U-937),体内应用组的研究方案是仅用9,10-二甲基-1,2-苯并蒽(DMBA)处理的瑞士白化小鼠;未对其进行任何诱导淋巴瘤的处理。研究治疗方案仅在诱导淋巴瘤后开始,无论是否暴露于光(IRL)或声(US)或二者联合,每天给予CPL-胶束NP作为SPDT敏化剂3分钟,持续两周。结果表明胶束NP是一种有用的CPL递送机制,可直接靶向淋巴瘤细胞。此外,CPL-胶束NP是一种有前景的SPS,与SPDT联合使用时,在体外治疗淋巴瘤-U-937时非常有效(细胞活力呈剂量依赖性下降,S期和G2/M期细胞群体增加表明细胞周期被阻滞,G0前期细胞群体增加、自噬性细胞死亡以及坏死和早期及晚期凋亡表明诱导了细胞死亡),在体内对DMBA诱导的淋巴瘤小鼠也有效(诱导抗增殖基因,抑制抗血管生成和抗凋亡基因),成功减缓肿瘤生长甚至杀死癌细胞,还降低了氧化应激丙二醛(MDA)水平,改善了肾脏、肝脏功能以及酶促和非酶促抗氧化剂的功能。SPDT、光或声化学CPL激活机制以及未激活CPL的抗氧化能力都与这一过程有关。基于这些发现,CPL-胶束NP作为一种新型、高效的选择性递送系统,在局部SPDT激活的淋巴瘤治疗中显示出巨大潜力。