Gut Problem May Drive Breast Cancer Spread, Study Reveals
Summary
A new study from the University of Virginia found that an unhealthy gut can cause bile acids to build up, which may help breast cancer spread in the body. Researchers hope this discovery will lead to new ways to prevent breast cancer from spreading and improve patient survival.Key Facts
- The study focused on hormone receptor-positive (HR+) breast cancer, the most common type that spreads to other parts of the body.
- When the gut microbiome is unbalanced, bile acid levels become uncontrolled, affecting metabolism and the immune system.
- An unhealthy gut environment helps breast cancer tumors spread more easily.
- There are about 225,000 new HR+ breast cancer cases yearly in American women.
- The researchers suggest that medications called bile acid sequestrants, already approved for metabolic diseases, might reduce cancer spread.
- Higher bile acid levels and insulin resistance were linked to lower survival rates in HR+ breast cancer patients.
- Some patients taking bile acid-suppressing drugs lived longer, but more research is needed to confirm the benefits.
- The team is studying if these drugs can prevent cancer spread and exploring immune system effects related to bile acids.
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