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Sargramostim, also known as granulocyte-macrophage colony-stimulating factor (GM-CSF), is a protein that regulates the development of blood cells. It stimulates the bone marrow to produce more white blood cells, which are crucial for fighting infections and inflammation.12

GM-CSF is used medically to increase white blood cell counts in patients undergoing treatments like chemotherapy or bone marrow transplantation for conditions such as Hodgkin lymphoma or leukemia. By boosting the immune system's cellular defenses, it helps patients recover from treatments that can suppress their white blood cell production.12

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