A new study reveals how certain immune cells, specifically macrophages, can switch from attacking tumors to actively supporting their growth. Researchers identified a molecular pathway triggered by the tumor microenvironment that reprograms these cells. This reprogramming causes macrophages to suppress other immune responses and instead promote blood vessel formation and tumor cell survival. The findings highlight a key mechanism of cancer immune evasion and suggest potential therapeutic targets to reverse this process and restore anti-tumor immunity. Read the full article at: https://www.sciencedaily.com/releases/2026/02/260210040604.htm