A study by the tumor immunology team lead by Prof. Bruno Silva-Santos (photo, next to the first author of the study, Telma Lança), from Instituto de Medicina Molecular (Faculdade de Medicina da Universidade de Lisboa), has identified a molecular mechanism, based on the chemokine CCL2 and its receptor CCR2, responsible for the recruitment and tumor infiltration by anti-tumor gamma-delta T lmphocytes.