高度的环氧和电解质对抑制蛋白质聚合的协同作用
Masakazu Fukuda1, Kanako Takahashi2, Toru Takarada1
1Laboratory of Functional Molecular Chemistry, Kobe Pharmaceutical University, 4-19-1, Motoyamakita-machi, Higashinada-ku, Kobe 658-8558, Japan.
Journal of pharmaceutical sciences
|October 7, 2024
概括
高度的环极素 (CD) 和电解质协同稳定免疫球蛋白G (IgG),胰岛素和腺相关病毒 (AAV) 载体等蛋白质治疗药物,防止聚合. 这种组合增强了治疗稳定性,并防止破坏蛋白质块.
科学领域:
- 生物化学 生化学
- 制药科学 制药科学
- 材料科学 材料科学 材料科学
背景情况:
- 蛋白质疗法是必不可少的,但容易聚合,损害有效性和安全性.
- 稳定策略对于开发强大的基于蛋白质的药物至关重要.
- 环极素 (CD) 和电解质是已知的辅助剂,具有潜在的稳定作用.
研究的目的:
- 调查环极素 (CD) 和电解质对蛋白质疗法的协同稳定作用.
- 为了评估2 - 基-β - 环氧 (HP-β-CD) 结合电解质对免疫球蛋白G (IgG),胰岛素和腺相关病毒 (AAV) 载体的影响.
- 探索稳定的潜在机制,专注于蛋白质-蛋白质相互作用.
主要方法:
- 利用人类血衍生的IgG作为模型蛋白来评估稳定性.
- 评估了2-propyl-β-cyclodextrin (HP-β-CD) 与各种电解质的组合,包括L(+) -氨酸化物.
- 在储存期间使用测量初始温度和聚合物形成 (可溶和不可溶) 的技术评估蛋白质聚合.
- 对胰岛素和腺相关病毒 (AAV) 载体的扩展评估.
主要成果:
- 结合HP-β-CD和L(+) 氨酸化物证明了IgG的协同稳定,增加聚合开始温度并抑制聚合物形成.
- 这种协同效应是HP-β-CD的特征,因为糖糖没有产生类似的结果.
- 对胰岛素和AAV载体观察到类似的协同稳定.
- 稳定机制似乎与增强的HP-β-CD-IgG相互作用有关,防止蛋白质-蛋白质相互作用,但没有改善自由氨基酸的溶解性.
结论:
- 环极素 (CD) 和电解质的组合为稳定各种蛋白质疗法提供了一个有前途的配方策略.
- 这种协同作用的方法有效地减轻了复杂生物学的聚合,如IgG,胰岛素和AAV载体.
- 需要进一步的研究来充分阐明机制,并扩大其适用于其他蛋白质类型的应用范围.
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