胺附加的二硫化脂使得异常高的药物负载和稳定性作为一个强大的脂肪体平台
Wei Zhu1, Qi Shan1, Jianing Zhao1
1Key Laboratory of Molecular Pharmacology and Drug Evaluation (Ministry of Education of China), School of Pharmacy, Yantai University, Yantai 264005, China. yaoleiytu@163.com.
Biomaterials science
|June 27, 2023
概括
研究人员开发了一种新的脂质体平台,使用化附加的二硫化脂 (Pyr-SS-PC) 脂质来克服药物输送方面的挑战. 这种新系统增强了坎普托素 (CPT) 的加载和稳定性,为芳香药物输送提供了一个有前途的方法.
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
- 药物运输 药物运输 药物运输
背景情况:
- 脂质体面临临临床挑战,因为低药物负载和不稳定性.
- 开发具有高药物有效载荷的稳定脂质体配方对于有效的疗法至关重要.
研究的目的:
- 开发一种新的脂质体平台,用于增强药物输送.
- 解决目前脂肪体配方中低药载荷和不稳定性的局限性.
- 调查胺附加的二硫化脂 (Pyr-SS-PC) 脂质在提供芳香药物方面的潜力.
主要方法:
- 合成皮里丁附加的二硫化脂 (Pyr-SS-PC) 脂质.
- 使用Pyr-SS-PC脂质制造脂质体的配方.
- 评估已发育的脂质体的药物负载能力和稳定性.
- 评估使用新型脂质体平台的坎普托他辛 (CPT) 输送.
主要成果:
- 皮尔-SS-PC脂质体平台表现出高负载能力的坎普托塞辛 (CPT).
- 与传统脂质体相比,开发出来的脂质体表现出更高的稳定性.
- 皮尔-SS-PC脂质的π-π堆叠相互作用促进了含有芳香环的药物的输送.
结论:
- 新的Pyr-SS-PC脂质体平台为克服基于脂质体的药物输送中的药物负载和稳定性问题提供了可行的解决方案.
- 这个平台显示了坎普托西因和其他芳香药物的有效输送的巨大潜力.
- 皮尔-SS-PC脂质代表了先进药物递送系统的有希望的材料类.
相关概念视频
Factors Affecting Dissolution: Drug pKa, Lipophilicity and GI pH
1.6K
Drug absorption within the gastrointestinal (GI) tract is a complex process influenced by several critical factors, including the site pH, the drug's dissociation constant (pKa), and the drug's lipophilicity. The GI tract exhibits a pH gradient, with an acidic environment in the stomach and a more alkaline environment in the small intestine. This pH variation directly affects the ionization state of drugs.
A drug's pKa and the pH of the gastrointestinal (GI) tract play crucial roles...
A drug's pKa and the pH of the gastrointestinal (GI) tract play crucial roles...
1.6K
Factors Affecting Dissolution: Drug Permeability, Stability and Stereochemistry
235
Orally administered drugs primarily enter the systemic circulation via passive diffusion through the intestinal membranes. The drug's absorption is influenced by drug stability in the gastrointestinal GI tract, membrane permeability, the surface area available for absorption, luminal drug concentration, and residence time in the lumen. Drug permeability can be enhanced by adjusting the lipophilicity, polarity, or molecular size of the drug, promoting its passive transport across intestinal...
235
Biosynthesis of Lipids
40
Microbial membranes exhibit remarkable diversity in lipid composition, reflecting evolutionary adaptations to various environmental conditions. The three domains of life—Bacteria, Archaea, and Eukarya—synthesize membrane lipids through distinct biosynthetic pathways, leading to fundamental structural differences that impact membrane stability, function, and adaptability.Fatty Acid-Based Lipids in Bacteria and EukaryaBacteria and eukaryotes share a common fatty acid biosynthesis...
40


