The present invention relates in part to bispecific chimeric proteins that find use in a variety of immunotherapy based on a variety of properties, including, for example, dual immune cell mobilization and immune signal delivery functions. [Selection] Figure 18本発明は、一部として、例えば、二重免疫細胞動員および免疫シグナル送達機能を含む、様々な特性に基づく様々な免疫療法に用途を見出す二重特異性キメラタンパク質に関する。【選択図】図18