A Disturbance in the Force

Major Symposium on mechanobiology: tumour-associated fibrosis stiffens the stroma, creating tension that promotes tumorigenesis and suppresses antitumour immunity. Chair Valerie M. Weaver (UCSF) reported stiffer breast tissue in BRCA carriers and in high-density breast tissue; Dennis E. Discher (Penn) and Christina Curtis (Stanford) also presented.