AD. Currently, although a few Aβ antibodies are available, fluorescent probes still play an important role in detecting Aβ pathology. Herein, we designed and synthesized a pyridyl zinc chelate KZ and tested its potential specificity to Aβ species. The probe KZ showed a good binding to fibrillar Aβ aggregates and an excellent anti-interference feature in vitro. Importantly, KZ could display a subset of
淀粉样蛋白-β (Aβ) 原纤维在驱动神经炎症和阿尔茨海默病 (AD) 的 tau 病理学进展中起关键作用。此外,推测Aβ寡聚体与AD的发病机制密切相关。目前,虽然有少量的 Aβ
抗体可用,但荧光探针在检测 Aβ 病理学方面仍然发挥着重要作用。在此,我们设计并合成了一种
吡啶基
锌螯合物KZ,并测试了其对 Aβ 物种的潜在特异性。探针KZ在体外显示出与纤维状 Aβ 聚集体的良好结合和优异的抗干扰特性。重要的是,KZ可以在 AD 小鼠模型的脑切片中显示 OC
抗体识别的 Aβ 沉积子集。因此,这个探头KZ可用作检测 Aβ 原纤维或/和原纤维低聚物的灵敏示踪剂。