在现场缓释硫化疗法用于高级疾病治疗
Yiqing Chen1, Zhishan Chen2, Xingzhong Chen2
1Department of Neurosurgery, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China.
这项研究引入了一种新的缓释硫化 (H2S) 纳米粒子治疗疾病的新方法. 新的硫化纳米粒子提供持续的H2S释放,在治疗和瘤方面显示出希望.
科学领域:
- 生物医学工程 生物医学工程
- 材料科学 材料科学 材料科学
- 药理学 药理学是指药理学的学科.
背景情况:
- 硫化 (H2S) 气体治疗显示出治疗潜力,但需要精确控制其释放.
- 现有的H2S治疗模式通常使用静态释放,不考虑动态血流.
- 有效的H2S疗法需要了解其钟形药理效应.
研究的目的:
- 开发一种新的现场缓释模型,用于使用动态血流进行H2S疗法.
- 为了研究合成稀土合的CaS纳米颗粒 (NP) 治疗疾病的疗效.
- 为了使H2S释放的可视化使用持久发光.
主要方法:
- 合成的硫化纳米粒子 (CaS NPs) 用于通过血液水解持续释放H2S.
- 开发了与稀土合的CaSNP (CaS:Eu2+,Sm3+NP) 具有持续发光以跟踪释放.
- 在和结肠瘤模型中评估了CaSNP的治疗效果.
主要成果:
- 在模拟的血流中,CaS NPs在模拟血流中显示了超过24小时的连续H2S释放.
- 与稀土合的CaSNP使持续H2S释放的可视化成为可能.
- 低剂量CaS:Eu2+,Sm3+NP减少了发作持续时间 (1.2±0.7分钟);高剂量抑制了结肠瘤的生长 (54%的抑制率).
结论:
- 开发的缓释,现场H2S模型有效地模拟了治疗应用的内源H2S水平.
- 这种基于水解的纳米粒子方法为推进基于H2S的治疗方法提供了一个有前途的战略.
- 这些发现支持CaSNP在治疗神经系统疾病和癌症方面的潜力.
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