Immunoediting
The dynamic process by which the immune system shapes a developing tumor over time through three phases: elimination of cancer cells, equilibrium, and eventual escape. Understanding it informs immuno-oncology drug design and resistance research.
What is immunoediting?
Immunoediting describes the dynamic, ongoing process by which the immune system shapes a developing tumor over time. Rather than a single event, it is a back-and-forth interaction in which immune pressure influences which cancer cells survive and how the tumor evolves.
It is commonly described in three phases. In elimination, the immune system destroys nascent cancer cells; in equilibrium, surviving cells are held in check but persist; and in escape, variants that evade immune detection grow into clinically apparent disease.
Why does immunoediting matter in cancer research?
Immunoediting helps explain why some tumors eventually evade an immune response that initially controlled them, a phenomenon central to understanding treatment resistance. It frames cancer progression as partly a product of immune selection pressure.
This understanding directly informs immuno-oncology drug design, guiding strategies meant to reverse escape and restore effective immune recognition. Researchers use the framework to study why therapies succeed in some patients and fail in others.
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