Biological drivers of colorectal cancer progression

Researchers have identified biological mechanisms that influence the progression and metastasis of colorectal cancer.

Initial studies involving institutions such as Mass General Brigham Cancer Institute and the Broad Institute utilized artificial intelligence and advanced imaging to analyze tumor samples. These findings indicated that survival rates are linked to blood vessel characteristics, where a higher number of small microvessels correlates with better outcomes, while larger, abnormal vessels or active angiogenesis are associated with poorer results.

Subsequent research published in the journal Science by biologists from MIT, Harvard Medical School, the Dana-Farber Cancer Institute, and University Hospital Essen identified a specific cellular pathway that facilitates the spread of cancer to organs like the liver. This process involves the YAP1 protein, which is typically used for tissue repair but is repurposed by cancer cells to promote migration. The research suggests that high-fat diets may trigger this pathway through the production of ceramides. Scientists noted that inhibiting the enzymes responsible for ceramide production could potentially serve as a target for pharmaceutical interventions to prevent metastasis.