Answer;
-Colony-stimulating factor
Step-by-step explanation;
-Colony-stimulating factors are cytokines that control the production, differentiation, and function of blood cells. They do not directly affect tumors, but through their role in stimulating blood cells, they can be helpful as support of a person's immune system during cancer treatment.
-Granulocyte-macrophage colony stimulating factor can be used as a medication to stimulate the production of white blood cells following chemotherapy.