结构-活动关系,以识别一种高强度的选择性人类通关类受体-7激进分子
Deepender Kaushik1, Arshpreet Kaur1, Madhuri T Patil2
1Department of Chemistry and Centre of Advanced Studies in Chemistry, Panjab University, Chandigarh 160014, India.
新的托尔类受体 (TLR) - 7激动剂显示出作为疫苗辅助剂的前景. 这些化合物,特别是与结合的碳胺12增强免疫反应和抗体产生,没有明显的毒性.
科学领域:
- 免疫学 免疫学 免疫学
- 疫苗学 疫苗学 疫苗学
- 药用化学 医学化学
背景情况:
- 托尔类受体 (TLR) - 7激动剂是已知的免疫刺激性疫苗辅助剂.
- 结构-活性关系 (SAR) 研究对于优化候选药物至关重要.
研究的目的:
- 进行TLR7活性1--2--1-H-imidazo[4,5-c]-4-胺衍生物的系统SAR研究.
- 为了确定作为疫苗辅助剂的潜在用途的强效和选择性TLR7激动剂.
主要方法:
- 系统的结构-活性关系 (SAR) 研究,对伊米达佐基诺林衍生物.
- 使用EC50值对人类TLR7 (hTLR7) 和TLR8 (hTLR8) 活性进行体外评估.
- 在小鼠体内疫苗接种研究中,使用了尖端蛋白免疫原和.
主要成果:
- 鉴定一种强大的hTLR7特异性化合物23 (EC50 = 0.22 μM).
- 鉴定了一种TLR7选择性碳胺12 (hTLR7的EC50=0.32μM,hTLR8的18.25μM).
- 化合物23和化合物12与结合显示了辅助活性,增强了小鼠的抗抗体产生和Th1/Th2反应.
结论:
- 特定于TLR7的化合物23和TLR7选择性碳胺12具有显著的辅助性.
- 将TLR7激动剂与结合在一起,为平衡的免疫反应提供了一个有希望的,无毒的疫苗辅助系统.
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