University of Geneva Jul 1 2025 In the fight against cancer, immunotherapy - which aims to boost the body's natural defences against cancer - is experiencing remarkable growth. Most of these treatments are based on CD8 T lymphocytes, ''killer cells'' able to eliminate diseased cells. A team from the University of Geneva (UNIGE) has explored an alternative approach involving CD4 T lymphocytes. Long considered mere auxiliary cells, their therapeutic potential has been considered of secondary