Immunostep is a biotech company that researches, develops, produces and markets reagents and technologies both for research and diagnostics based on techniques such as flow cytometry, proteomic arrays or multiplex technology. It has expertise in monoclonal and policlonal antibody development (mouse, rabbit, and chicken), as well as in the product quality control for research and diagnosis. Its product areas include human and mouse cell immunophenotyping, human recombinant proteins, apoptosis, cytokines and growth factors, cell-cycle analysis, detection, and quantification proteins.