R&D Systems cIAP-1 & cIAP-2 Antibodies Beat the Competition

An independent study assessing the quality of antibodies to cIAP-1 and cIAP-2 has found R&D Systems products superior to those of several competitors. cIAP-1 and cIAP-2 are members of the inhibitors of apoptosis (IAP) family, best known for their ability to suppress the activity of pro-apoptic caspases. R&D Systems anti-human/mouse cIAP-1 polyclonal antibody (Catalog # AF818) and anti-human cIAP-2 polyclonal antibody (Catalog # AF817) were judged superior based on their ability to provide the clearest signal and least background in immunohistochemistry stud­ies using a broad panel of human tissues.

A. cIAP-1 was detected in a paraffin-embedded human lymphoma tissue sections using R&D Systems anti-human/mouse cIAP-1 polyclonal antibody (Catalog # AF818). Tissues were stained using R&D Systems rabbit HRP-DAB Cell and Tissue staining Kit (Catalog # CTS005; brown) and counterstained with hematoxylin (blue). B. Control section staining in the absence of primary antibody.


  1. Vischioni, B. et al. (2006) Expression and localization of inhibitor of apoptosis proteins in normal human tissues. Hum. Pathol. 37:78.