The invention provides lipid A mimics in which one or both of the sugar residues of a natural lipid A disaccharide backbone has been replaced with an aromatic group. These lipid A mimics may further differ from a natural lipid A molecule with respect to other structural characteristics, such as, a different number of phosphate groups present, changes in the number, structure and location of lipid chains and/or changes in the spacing and linkage of the sugar residues (or their aromatic replacements). The lipid A mimics may be lipid A agonists and as such may be useful as immunostimulatory agents in inducing or patenting an antibody and/or cell-mediated immune response, or may be lipid A antagonists and as such may be useful in treating or preventing a lipopolysaccharide (LPS)/lipid A-mediated disease or disorder. Also provided are methods for preparing the lipid A mimics.
本发明提供了脂质 A 拟体,其中天然脂质 A
双糖骨架的一个或两个糖残基已被芳香基团取代。这些脂质 A 拟态物在其他结构特征方面可能与天然脂质 A 分子有进一步的不同,例如存在不同数量的
磷酸基团,脂质链的数量、结构和位置发生变化,以及/或糖残基(或其芳香基替代物)的间距和连接发生变化。脂质 A 拟态物可以是脂质 A 激动剂,因此可用作免疫刺激剂,诱导或激发
抗体和/或细胞介导的免疫反应;也可以是脂质 A 拮抗剂,因此可用于治疗或预防脂
多糖(LPS)/脂质 A 介导的疾病或紊乱。此外,还提供了制备脂质 A 模仿物的方法。