Figure 1From: Prognostic significance of TRAIL death receptors in Middle Eastern colorectal carcinomas and their correlation to oncogenic KRAS alterationsTissue microarray-based immunohistochemical analysis of TRAIL receptors TRAIL-R1 and TRAIL-R2 in CRC patients. CRC array spots showing overexpression of TRAIL-R1 (A) and TRAIL-R2 (C). In contrast, other CRC tissue array spots showing low expression of TRAIL-R1 (B) and TRAIL-R2 (D). 20 ×/0.70 objective on an Olympus BX 51 microscope (Olympus America Inc, Center Valley, PA, USA), with the inset showing a 40 ×/0.85 aperture magnified view of the sameBack to article page