开发天然杀手组2D受体 (NKG2D) 的小分子抑制剂
Jocelyn Wang1, Kohki M Nakafuku1, Jeannie Ziff1
1Janssen Research & Development, L.L.C., 3210 Merryfield Row, San Diego, CA, 92121, United States.
研究人员开发了向NKG2D/NKG2DL通路的小分子抑制剂,这在自身免疫性疾病中至关重要. 这些强大的化合物通过阻断NKG2D及其配体之间的相互作用,为免疫调节提供了有希望的途径.
科学领域:
- 免疫学 免疫学 免疫学
- 药物发现 药物发现 药物发现
- 结构生物学 结构生物学
背景情况:
- 自然杀手组2D (NKG2D) 是一个激活免疫受体,可以识别和消除受损细胞.
- NKG2D配体 (NKG2DL),如MICA,MICB和ULBP1-6,在健康组织中通常含量较低,但在病毒感染,压力或转化过程中会升高.
- 异常NKG2D/NKG2DL轴活性与自身免疫性疾病有关,使NKG2D抑制剂成为治疗点.
研究的目的:
- 发现和优化向NKG2D/NKG2DL通路的小分子蛋白质-蛋白质相互作用 (PPI) 抑制剂.
- 探索这些抑制剂在自身免疫性疾病中免疫调节的潜力.
主要方法:
- 基于结构的药物设计被用来指导快速结构-活性关系 (SAR) 研究.
- 代单元和并行药物化学合成被用于化合物优化.
主要成果:
- 确定了几种NKG2D/NKG2DL相互作用的强大的小分子抑制剂.
- 经过优化后的类似物显示出功能活性,并改善了脂性联体效率 (LLE).
结论:
- 针对NKG2D/NKG2DL轴的小分子抑制剂是免疫调节的可行策略.
- 已识别的强效类型具有进一步发展的前景,作为自身免疫疾病的治疗药物.
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