CCR7 (C-C Motif Chemokine Receptor 7): CCR7 is a crucial receptor in the immune system, guiding the migration of T cells and dendritic cells to lymphoid tissues, where immune responses are coordinated. This receptor's interaction with its ligands, CCL19 and CCL21, is essential for initiating adaptive immune responses and maintaining immune surveillance. Dysregulation of CCR7 has been implicated in various autoimmune diseases and cancers, making it a target for immunotherapy and cancer treatment research....