磁性分层双氧化物与卡巴马泽用于乳腺癌治疗
M Florencia Peralta1, Silvia N Mendieta1, I Romina Scolari2
1Centro de Investigación y Tecnología Química (CITeQ), UTN-CONICET, Av. Cruz Roja Argentina y Maestro López, Córdoba, 5000, Argentina.
Heliyon
|November 2, 2023
概括
这项研究开发了磁性纳米粘土,用于输送抗药物卡巴马西平,用于乳腺癌治疗. 与免费药物相比,新型磁性输送系统增强了对癌细胞的药物疗效.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
- 药理学 药理学是指药理学的学科.
背景情况:
- 目前的癌症化疗面临着副作用和耐药性等挑战,需要新的药物输送策略.
- 一种抗药物卡巴马泽平已经证明对乳腺癌细胞系的潜在有效性.
研究的目的:
- 开发和表征磁层双氧化纳米粘土,用于乳腺癌治疗中增强卡巴马西平的输送.
- 研究纳米复合材料的药物载荷能力,结构性质,磁性行为和体外释放特征.
- 为了评估卡巴马西平载纳米粘土对MDA-MB-231乳腺癌细胞的体外疗效.
主要方法:
- 碳氨酸被纳入了多层的双氧化物纳米粘土,然后用磁性Fe3O4纳米粒子浸.
- 使用X射线衍射和传输电子显微镜进行结构分析.
- 使用振动样品磁力测量来评估磁性特性.
- 在不同pH值的Franz细胞中进行了体外药物释放研究.
- 在体外细胞毒性对MDA-MB-231乳腺癌细胞进行了评估.
主要成果:
- 纳米复合材料实现了显著的碳二负荷 (在纳米粘土-碳二复合材料中高达51%).
- 鉴定证实了分层的双氧化物结构 (9-15纳米晶体) 和适合循环的颗粒大小 (97-158纳米).
- 复合材料表现出具有高磁和度的超偏磁性行为,可通过外部磁场进行有针对性的传递.
- 药物释放依赖于pH值,在溶酶体pH值下释放更高,在血液pH值下释放更慢.
- 在体外研究表明,与自由卡巴马西平 (62%) 相比,增强癌细胞抑制 (96%).
结论:
- 磁性Fe3O4浸的多层双氧化物纳米粘土代表了对乳腺癌治疗中卡巴马西的有前途的药物输送系统.
- 这些纳米复合材料提供了更高的效率和有针对性的交付潜力.
- 需要进一步的体内研究来证实治疗疗效和生物分布.
更多相关视频
相关概念视频
Drugs that Stabilize Microtubules
2.1K
Microtubules are dynamic structures that undergo cycles of catastrophe and rescue. The microtubules play a central role in cell division by forming the spindle apparatus for segregating the chromosomes. This makes them ideal targets for regulating dividing cells in tumors and malignant cancer cells. Microtubule stabilizing drugs help stabilize the microtubule formation and promote its polymerization. Paclitaxel was the first microtubule stabilizing agent used as anticancer drug in chemotherapy...
2.1K
Combination Therapies and Personalized Medicine
4.9K
Combining two or more treatment methods increases the life span of cancer patients while reducing damage to vital organs or tissue from the overuse of a single treatment. Combination therapy also targets different cancer-inducing pathways, thus reducing the chances of developing resistance to treatment.
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...
4.9K
Targeted Cancer Therapies
7.7K
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...
7.7K


