“…After a personal introduction to Prof. Gahrton by Per Ljungman, Juan Luis Reguera-Ortega from José A. Pérez-Simón's group in Sevilla presents an overview of the rapidly growing field of chimeric antigen receptor T-cells (CAR-T) in myeloma [2], before Nico Gagelmann, from the Hamburg group, summarizes the effect of donor T-cells (DLI) after allogeneic stem cell transplantation to enhance the graft-versus-myeloma effect [3]. The increasing role of natural killer cells is highlighted and reviewed by Marie Therese Rubio, Adèle Dhuyser, and Stéphanie Nguyen from Nancy [4].…”