by Weizmann Institute of Science Tissue sample of a particularly aggressive skin cancer reveals immune cells (yellow) that express on their surfaces a “brake pedal” receptor called FcgIIb (purple); cell nuclei are in blue. Credit: Science Immunology (2023). DOI: 10.1126/sciimmunol.add8005 On the road, putting a foot on the gas or brake pedal controls the car’s speed. This...
