Obesity is shown in a mouse model of liver cancer to strongly enhance tumorigenesis; a high fat diet alters the composition of intestinal bacteria, leading to more production of the metabolite DCA which, probably together with other factors, induces senescence and the secretion of various senescence-associated cytokines in hepatic stellate cells, thus promoting cancer.
- Shin Yoshimoto
- Tze Mun Loo
- Naoko Ohtani