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Jounce Therapeutics, Inc., a clinical-stage immunotherapy company, develops therapies for the treatment of cancer. The company develops vopratelimab, a clinical-stage monoclonal antibody, which is in Phase II clinical trial that binds to and activates the Inducible T cell CO-Stimulator, a protein on the surface of T cells found in various solid tumors. It is also developing JTX-8064, an antibody that binds to leukocyte immunoglobulin like receptor B2, which is a cell surface receptor expressed on macrophages; JTX -1484 for myeloid; and JTX-1811, an anti-CCR8 monoclonal antibody designed to selectively deplete intra-tumoral T regulatory cells in the tumor microenvironment. Jounce Therapeutics, Inc. was incorporated in 2012 and is headquartered in Cambridge, Massachusetts.