Profile: BioLegend manufactures antibodies & reagents for biomedical research. Our product areas include cell immunophenotyping, cytokines & chemokines, adhesion, cancer research, T regulatory cells, stem cells, innate immunity, cell-cycle analysis, apoptosis, and modification-specific antibodies. Our product development program produces strategic reagents for use in a variety of applications, which include Elisa, immunoprecipitation, western blotting, immunofluorescence microscopy, immunohistochemistry, and in vitro/in vivo functional assays. We supply second step reagents, isotype controls, buffers, solutions, substrates and media additives. We also offer fluorochrome conjugates for multi-color flow cytometry.