Drug affinity reactive target stability
DARTS was performed as previously described.58 Briefly, cells were lysed in M-PER (Thermo Fisher Scientific, 78501) with protease inhibitor cocktail and phosphatase inhibitor cocktail. The lysates were added 10X TNC buffer (50 mM Tris-HCL pH 8.0, 50 mM NaCl and 10 mM CaCl2) and the protein concentration was determined by BCA assay. Cell lysates were incubated with gradients of fumarate (or other metabolites) or DMSO (solvent) for 1 hour at room temperature and digested with pronase (1:3000 dilution for DAPK1) (Roche, 10165921001) for 30 min at room temperature. The digestion was stopped by boiled. Western blotting was used to determine whether DAPK1 is a direct target of fumarate. b-Actin served as a negative control and ATP as a positive control.
目前,佰博莱生物分子互作平台已经完成了1500多种蛋白的分子互作检测实验。针对热门医药研究靶点如:T 细胞的主要免疫调节因子 (Gal-1,Gal-3和Gal-9)、与糖尿病相关的胰岛素受体 (IR-A、IR-B、IGF-1R)、GLP-1R 等、血管内皮生长因子 (VEGF 121、VEGF165)、免疫球蛋白 Fc 受体 (Fcγ RI、Fcγ RIIB、Fcγ RIIIA、不同种属的FcRn) 、免疫球蛋白超家族的细胞黏附分子 (Nectin-1,Nectin-2,Nectin-3,Nectin-4) 及整合素家族 (aVβ5、ITGB1、aVβ3等) 等重要靶点已具备成熟检测方法。
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