852 Trifunctional NKp46/CD16a-NK cell engager targeting CD123 overcomes acute myeloid leukemia resistance to ADCC by Yannis Morel, Eric Vivier, Benjamin Rossi, Laurent Gauthier, Anne-Laure Bauchet, Ariane Morel, Marielle Chiron, Angela Virone-Oddos, Jochen Beninga, Céline Nicolazzi, Céline Amara, Audrey Blanchard-Alvarez, Nicolas Gourdin, Jacqueline Courta, Alexandra Basset, Franceline Guillot, Gwendoline Grondin, Hélène Bonnevaux