What is "sargramostim"

n. A recombinant granulocyte macrophage colony-stimulating factor, produced in yeast, which functions as a immunostimulator, primarily used for myeloid reconstitution after bone marrow transplantation.

Sargramostim (marketed by Genzyme under the tradename Leukine) is a recombinant granulocyte macrophage colony-stimulating factor (GM-CSF) that functions as an immunostimulator.

It is produced in yeast.