Scientists Discover Genetic Switch That Supercharges Cancer-Killing Immune Cells
Summary
Researchers have discovered a novel method to boost the immune system's cancer-fighting capabilities by enhancing the growth factor IL-15. This breakthrough could significantly improve the production and effectiveness of immune cells in targeting and eliminating cancer cells.
Key Insights
What is IL-15 and how does it help fight cancer?
IL-15 is a growth factor produced by the body that boosts the production and activity of immune cells like natural killer (NK) cells and CD8+ T cells, enhancing their ability to target and eliminate cancer cells by activating signaling pathways such as JAK1/STAT3 and JAK3/STAT5.
What is the genetic switch discovered and how does it work?
Researchers identified specific genes that, when switched off using CRISPR screening, make NK cells hypersensitive to low levels of the body's own IL-15, dramatically enhancing their anti-cancer function and slowing tumor growth in preclinical colorectal cancer models without affecting healthy tissues.
Sources:
[1]