Fig. 3From: Osthole inhibits triple negative breast cancer cells by suppressing STAT3Identification of osthole binding proteins. a Chemical structure of osthole intermediate and Biotin-labeled osthole. b Viability of MDA-MB-231 cells exposed to biotin-labeled osthole as determined by MTT assay. c A schematic illustrating the steps for identifying Bio-osthole binding to proteins fabricated on a microarray. d Representative image of an experimental microarray [Blue = negative control, red = positive control, yellow = positive spot]. e Magnified image of Bio-osthole binding to recombinant STAT3 protein spot on the microarray Signal to noise ratio (SNR) value is shownBack to article page