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Updated: Jan 25, 2026

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Ultrasound Velocity Measurement in a Liquid Metal Electrode
Published on: August 5, 2015
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超声波激活的金属聚烯纳米滴用于瘤形亡
Ning Cong1, Lu Guo1, Xiaoxuan Wang1
1Department of Ultrasound, Qilu Hospital of Shandong University, Jinan, Shandong 250012, China.
Biomaterials
|January 23, 2026
概括
这项研究引入了新型纳米滴 (NDs),可以将铜和糖解抑制剂传递给瘤,克服对铜亡 (铜诱导的细胞死亡) 的抵抗,并抑制瘤生长.
科学领域:
- 生物医学工程 生物医学工程
- 纳米技术纳米技术
- 癌症治疗 癌症治疗
背景情况:
- 质亡,一种新的细胞死亡途径,提供了新的癌症治疗策略.
- 瘤对cuproptosis的耐药性与有氧糖解,高谷氨 (GSH) 和铜输送不良有关.
- 需要有针对性的传递系统来克服这些抵抗机制.
研究的目的:
- 开发纳米滴 (NDs) 用于增强瘤中质亡的诱导.
- 为了克服瘤抵抗因素,如高GSH和有氧糖解.
- 通过超声波向微气泡破坏 (UTMD) 来研究铜和什科宁输送的协同效应.
主要方法:
- 开发的外核心纳米滴 (Cu-EGCG-SHK-NDs) 具有完甲核心和酸盐外.
- 装有什科宁 (SHK) 的ND,并涂有复合铜甲酸 (Cu-EGCG).
- 利用超声波 (US) 向微气泡破坏 (UTMD) 进行向的输送和触发释放.
主要成果:
- Cu-EGCG-SHK-NDs表现出对US和pH的双重反应,用于控制释放和吸收.
- 美国刺激增强了成像,产生了活性氧物种,并削弱了细胞内GSH.
- 通过UTMD同时输送铜和SHK抑制了糖解和降低了GSH水平,增强了cuproptosis.
结论:
- Cu-EGCG-SHK-NDs是生物相容的,并且有效地将治疗剂与瘤一起输送.
- 开发的系统通过抑制糖解和耗尽GSH来克服cuproptosis抵抗机制.
- 这种方法实现了显著的瘤生长抑制,突出了其治疗潜力.
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