A new study reveals the mechanism by which aggressive triple-negative breast cancer (TNBC) disables the body’s immune response. Researchers found that TNBC tumors produce high levels of a specific protein that acts as a ‘don’t eat me’ signal to immune cells called macrophages. This signal prevents macrophages from recognizing and destroying the cancer cells, allowing the tumor to grow unchecked. The discovery identifies a potential therapeutic target, suggesting that blocking this protein could reactivate the immune system’s ability to fight this hard-to-treat cancer. For the complete details on this research, read the full article at: https://www.sciencedaily.com/releases/2026/04/260411022031.htm