... followed by the addition of secondary biotinylated goat anti-rabbit antibody (S0123;Vector Laboratories, Burlingame, CA, USA), which was fol-lowed by the addition of streptavidin-conjugated rhodamin ... Anca Irinel CatrinaDepartment of Rheumatology, Karolinska University Hospital and Karolinska Institutet, Stockholm, S-17176, SwedenCorresponding author: Anca Irinel Catrina, anca.catrina@ki.seReceived: ... IgG1 phycoerythrin-conjugatedanti-CD3 antibody (HIT3a; BD Biosciences), followed by incu-bation with Annexin V (TA5532; R&D Systems, Minneapolis,MN, USA) and flow cytometry analysis. T...