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[IEEE 2018 9th International Conference on Ultrawideband and Ultrashort Impulse Signals (UWBUSIS) - Odessa, Ukraine (2018.9.4-2018.9.7)] 2018 9th International Conference on Ultrawideband and Ultrashort Impulse Signals (UWBUSIS) - The Application of Pulsed Electric Fields and Other Types of Electromagnetic Radiation in Therapy of Cancer
摘要： since the beginning of 21-th century the investigations in the area of cancer therapy by electric fields become more numerous. These investigations may be divided in three groups: studies carried out on cell cultures, studies on animal models and case reports describing applications of pulsed electric fields for treatment of cancer patients. Very important is to chose adequate methods of measuring the cell damage and speaking more generally – cell response to stress. In Kharkov University various investigations in the area of cell response to electromagnetic influences were carried out and some new methods were proposed. In this paper the analysis of recent works in this area is done and perspectives of the research are discussed.
关键词： electromagnetic pulse,cell proliferation,cell membrane permeability,cell response to electromagnetic stress,apoptosis,cancer therapy,necrosis
更新于2025-09-09 09:28:46
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Transforming Weakness into Strength: Photothermal‐Therapy‐Induced Inflammation Enhanced Cytopharmaceutical Chemotherapy as a Combination Anticancer Treatment
摘要： A new synergistic treatment that combines photothermal therapy (PTT) and inflammation-mediated active targeting (IMAT) chemotherapy based on cytopharmaceuticals is developed. During PTT, the photothermal tumor ablation is accompanied by an inflammatory effect and upregulation of inflammatory factors at the tumor site, which may accelerate tumor regeneration. Moreover, PTT-induced inflammation can also recruit neutrophils (NEs) to the tumor site. To convert the disadvantages of PTT-induced inflammation into strengths, NEs are investigated as cytopharmaceuticals for IMAT chemotherapy to further inhibit the tumor recurrence after PTT due to the chemotaxis of NEs to the inflammatory sites. In this study, PEGylated gold nanorods (PEG-GNRs) are explored as the photothermal agent and paclitaxel-loaded cytopharmaceuticals of NEs as the IMAT chemotherapeutic agent. PTT is conducted at 72 h postinjection of PEG-GNRs, followed by cytopharmaceuticals for IMAT chemotherapy. It is demonstrated that the cytopharmaceuticals effectively accumulate in the tumor sites after PTT, which leads to a significant enhancement of antitumor efficacy and a reduction in systemic toxicity. These studies suggest that PTT-induced inflammation further enhances the chemotherapy of cytopharmaceuticals, and the combination of PTT and IMAT chemotherapy may be a promising synergistic strategy for targeted cancer therapy.
关键词： combination cancer therapy,inflammation,photothermal therapy,cytopharmaceuticals,neutrophils
更新于2025-09-04 15:30:14