mediates proapoptotic signals in chronic lymphocytic leukemia B cells Interleukin-21 receptor (IL-21R) is up-regulated by CD40 triggering and

doi:10.1182/blood-2005-09-3535Prepublished online January 3, 2006;2006 107: 3708-3715€€€€Manlio Ferrarini and Silvano FerriniColombo, Enrico Balleari, Ivana Pierri, Marina Fabbi, Matteo Capaia, Bruno Azzarone, Marco Gobbi, Daniela de Totero, Raffaella Meazza, Simona Zupo, Giovanna Cutrona, Serena Matis, Monica€