RNA molecules comprising a guide sequence portion having 17-50 contiguous nucleotides containing nucleotides in the sequence set forth in any one of SEQ ID NOs: 1-1538 and compositions, methods, and uses thereof.

Provided herein are, inter alia, methods, compositions and kits for treating cancer, e.g., acute myeloid leukemia, including an engineered cell including various CAR constructs. Also included herein are kits for treating cancer, including engineered cells comprising various CAR constructs.

Provided herein are methods and compositions for targeted delivery of cargo molecules, including, for example, gene editing reagents, RNA binding proteins, therapeutic agents, or other cargo via trogocytosis. In particular, provided herein are genetically modified donor cells as well as methods of using such genetically modified donor cells to deliver cargo of interest fused to a transmembrane receptor to a specific acceptor target cell.

Chimeric antigen receptors with an antibody-binding domain are presented that are preferably expressed from a recombinant cell in a therapeutic cell, and particularly in an NK-92 cell or derivative thereof. Notably, such modified cells have multiple modes of cytotoxicity, improved on-target cell killing, decreased off-target cell killing, show significant expression of the recombinant CAR, and/or increased CAR-mediated cytotoxicity.

Provided herein are engineered immune cells and populations thereof for administration to subjects to treat cancer (e.g., solid tumors or liquid tumors) and other conditions. The cells are engineered to functionally express a reduced level of one or more of CD48, CD58, ICAM-1, RFX5, NLRC5, TAP2, 2m, TRAC, RFXAP, CIITA and RFXANK. The cells optionally are further engineered to express one or more than one additional protein such as an antigen binding protein (e.g., a chimeric antigen receptor (CAR) or T cell receptor) and/or a CD70 binding protein to target tumor cells or other damaged cells in the subject and/or to express other genes at a reduced level. Also provided are methods of making and using the engineered cells, compositions and kits comprising them, and methods of treating by administering the cells and the compositions.

The present invention relates to gamma delta (??) T cells and/or Natural Killer (NK) cells expressing constructs to provide for the expression of a Chimeric Antigen Receptor (CAR) incorporating the signalling domain of FCY Receptors. Suitably the invention also relates to constructs to provide such CARs and methods for introducing such CARs into cells and expressing such CARs in cells comprising receptors of gamma delta (??) T cells and/or Natural Killer (NK) cells.

The present technology comprises methods for regulating an the immune system, and in particular methods for the regulation of a specific immune response, including the regulation of lymphocyte activity. Methods of the present technology comprise both the negative and positive modulation of CEACAM1 protein function.

The present invention provides, in certain aspects, a natural killer (NK) cell that expresses all or a functional portion of interleukin-15 (IL-15), and methods for producing such cells. The invention further provides methods of using a natural killer (NK) cell that expresses all or a functional portion of interleukin-15 (IL-15) to treat cancer in a subject or to enhance expansion and/or survival of NK cells.

The presently disclosed subject matter provides methods and compositions for treating cancer (e.g., melanoma). It relates to chimeric antigen receptors (CARs) that specifically target MDA (e.g., Trp1), and immunoresponsive cells comprising such CARs. The presently disclosed MDA-specific CARs have enhanced immune-activating properties, including anti-tumor activity.

The present invention provides engineered Natural Killer (NK) cells and methods of producing engineered NK cells. The engineered NK cells and compositions containing the engineered NK cells are useful for treating diseases such as cancer.