一个金属有机纳米平台与阿特苏纳酸和e6联合组装,用于协同化学/光动力癌症治疗
Ling Yang1, Hailin Shen2, Yigang Wang3
1Department of Nuclear Medicine, The Fourth Affiliated Hospital of Soochow University, Medical Center of Soochow University, Suzhou, China.
ChemMedChem
|February 10, 2026
概括
这项研究引入了一种新的纳米平台,将光动力学疗法 (PDT) 和化学动力学疗法 (CDT) 结合起来,以提高抗瘤功效. 开发的金属有机纳米平台有效地抑制瘤生长,副作用最小.
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:
- 传统的化学动力学疗法 (CDT) 的疗效受到低内源性过氧化 (H2O2) 水平和单一治疗限制的限制.
- 开发新的纳米平台对于克服癌症治疗中的这些局限性至关重要.
研究的目的:
- 开发一种金属有机纳米平台 (CA-Fe NP) 用于协同化学动力学和光动力学疗法.
- 增强瘤积累和细胞内活性氧物种 (ROS) 生成,以改善抗瘤结果.
主要方法:
- 通过Fe3+驱动的协同组件制造的CA-FeNP,该组件由工业酸盐 (AS) 和e6 (Ce6) 组成.
- 利用增强的透性和保留 (EPR) 效应用于优选的瘤向.
- 研究AS诱导的氧化应激和Ce6介导的光动力学疗法 (PDT) 在660nm激光照射上的协同效应.
主要成果:
- 这种CA-FeNP显示出偏好的瘤积累.
- PDT和CDT的协同作用组合显著放大了细胞内ROS生成.
- 诱导线粒体膜潜在的崩,导致广泛的细胞死亡 (77.5%).
- 在4T1瘤携带的小鼠模型中实现显著的瘤抑制,具有出色的安全性.
结论:
- 开发的CA-FeNP为联合癌症治疗提供了一个有希望的策略.
- 这种方法有效地克服了传统CDT和单疗法的局限性.
- 该纳米平台表现出显著的抗瘤疗效和有利的安全性.
相关概念视频
Cancer Therapies
10.2K
Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
10.2K
Alkali Metals
24.9K
Group 1 elements are soft and shiny metallic solids. They are malleable, ductile, and good conductors of heat and electricity. The melting points of the alkali metals are unusually low for metals and decrease going down the group, while the density increases going down the group with the exception of potassium (Table 1).
Table 1: Properties of the alkali metals
Table 1: Properties of the alkali metals
24.9K
Targeted Cancer Therapies
9.0K
The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against...
There are several types of targeted therapies against...
9.0K
Radical Substitution: Allylic Chlorination
3.2K
Typically, when alkenes react with halogens at low temperatures, an addition reaction occurs. However, upon increasing the temperature or under reaction conditions that form radicals, providing a low but steady concentration of halogen radicals, allylic substitution reaction is favored. This is because allylic hydrogens are very reactive as the formed intermediate is resonance stabilized. For example, when propene is treated with chlorine in the gas phase at 400 °C, it undergoes allylic...
3.2K
Bonding in Metals
52.6K
Metallic bonds are formed between two metal atoms. A simplified model to describe metallic bonding has been developed by Paul Drüde called the “Electron Sea Model”.
52.6K
Metallic Solids
20.9K
Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability....
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability....
20.9K


