通过促进雌激素代谢,为乳腺癌内分泌治疗开发向肝脏的纳米颗粒
Yuying Zhao1, Hanxu Tan2, Juping Zhang1,3
1State Key Laboratory of Dampness, Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China.
Journal of nanobiotechnology
|March 20, 2024
概括
一种新的纳米粒子药物NCG有效地向肝脏雌激素代谢,用于治疗激素受体阳性乳腺癌. 与现有治疗方法相比,NCG显示出更高的疗效和更少的副作用,提供了一个有前途的新治疗策略.
科学领域:
- 内分泌学 在内分泌学.
- 在瘤学瘤学.
- 纳米医学是一种纳米医学.
背景情况:
- 激素受体阳性 (HR+) 乳腺癌的治疗依赖于针对雌激素信号的内分泌疗法.
- 目前的疗法面临诸如治疗失败和忽视肝脏雌激素代谢等挑战.
- 纳灵宁 (NAR) 是一种天然化合物,通过促进肝脏雌激素硫转移酶 (EST) 来抑制HR+乳腺癌,但其生物可用性较差.
研究的目的:
- 开发一种新的纳米颗粒配方的纳灵宁 (NAR) 提高了 HR + 乳腺癌的传递和疗效.
- 在口服后调查NAR细胞透-银纳米颗粒 (NCG) 的肝脏向和治疗潜力.
- 为了评估NCG对肝脏EST表达,雌醇水平和抗癌活性的影响,与NAR和塔莫西芬相比.
主要方法:
- 通过NAR细胞透的-银纳米颗粒 (NCG) 的配方.
- 在细胞和斑马鱼模型中评估NCG的肝脏向性和肠道透性.
- 评估NCG的药理动力学,有效性和安全性在小鼠乳腺癌异种移植.
- 在各种组织中测量肝脏EST表达和雌醇水平.
主要成果:
- NCG证明了特定的肝脏向性和增强的肠道屏障透性.
- 在小鼠中,NCG的口服导致肝脏向和肠肝循环.
- 与NAR和他莫西芬相比,NCG表现出优越的乳腺癌抑制.
- NCG治疗导致肝脏EST表达增加,肝脏,血液和瘤中的雌激素水平降低.
结论:
- NCG是一种有前途的纳米内分泌药物,用于HR+乳腺癌治疗.
- 通过EST激活,NCG有效地准肝脏中的雌激醇代谢.
- 向肝脏EST代表了HR+乳腺癌的新有效治疗策略.
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