When immune cells stop fighting cancer and start helping it
Science Daily
February 10, 2026
Scientists have uncovered a surprising way tumors turn the immune system to their advantage. Researchers at the University of Geneva found that neutrophils—normally frontline defenders against infection—can be reprogrammed inside tumors to fuel cancer growth instead. Once exposed to the tumor environment, these immune cells begin producing a molecule called CCL3 that actively promotes tumor progression.
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Originally published on Science Daily on 2/10/2026