... have a role in maintaining active RA. The increase of both xIAP and survivin in active RA synovial tissue may be even more signifi-cant because of the known synergy of survivin and xIAP form-ing ... sections and formalin-fixed paraffin-embedded tissuewere prepared from the synovial biopsies. When available, anadditional synovial biopsy was placed into RNAlater (Ambion,Foster City, CA, USA) and ... (DR5) that is functionally active. ArthritisRheum 2004, 50:2786-2793.20. Miyashita T, Kawakami A, Nakashima T, Yamasaki S, Tamai M, Tan-aka F, Kamachi M, Ida H, Migita K, Origuchi T, Nakao K,...