The Department of Chemistry, Vanderbilt University, Nashville, TN 37235-1822, USA.
Bioorg Med Chem Lett. 2011 Mar 15;21(6):1678-82. doi: 10.1016/j.bmcl.2011.01.102. Epub 2011 Feb 2.
Quantum dot conjugates of compounds capable of inhibiting the serotonin transporter (SERT) could form the basis of fluorescent probes for live cell imaging of membrane bound SERT. Additionally, quantum dot-SERT antagonist conjugates may be amenable to fluorescence-based, high-throughput assays for this transporter. This Letter describes the synthesis of SERT-selective ligands amenable to conjugation to quantum dots via a biotin-streptavidin binding interaction. SERT selectivity and affinity were incorporated into the ligand via a tetrahydropyridine or cyclohexylamine derivative and the affinity of these compounds for SERT was measured by their ability to produce SERT-dependent currents in Xenopus laveis oocytes.
能够抑制血清素转运体 (SERT) 的化合物的量子点缀合物可以作为荧光探针的基础,用于活细胞中膜结合 SERT 的成像。此外,量子点-SERT 拮抗剂缀合物可能适用于基于荧光的 SERT 高吞吐量测定。本信描述了可通过生物素-链霉亲和素结合相互作用连接到量子点的 SERT 选择性配体的合成。SERT 选择性和亲和力通过四氢吡啶或环己胺衍生物整合到配体中,这些化合物对 SERT 的亲和力通过它们在非洲爪蟾卵母细胞中产生 SERT 依赖性电流的能力来测量。