Fig. 1From: Objective measurement and clinical significance of IDO1 protein in hormone receptor-positive breast cancerIDO1 protein measurement in hormone receptor-positive breast cancer. Fluorescent microphotographs of representative hormone receptor-positive breast cancer cases showing different levels of IDO1 protein. Staining pattern was cytoplasmic. Blue: 4,6-diamidino-2-phenylindole (DAPI). Green: Alexa-546 (Cytokeratin [CK]). Red: Cyanine-5 (IDO1). Scale bars: 100 umBack to article page