NCIt definition : An aerosol inhalation formulation containing a yeast-derived glycosylated recombinant
form of human granulocyte macrophage colony stimulating factor (GM-CSF) with potential
immunostimulating activity. Sargramostim binds to specific cell surface receptors,
modulating the proliferation and differentiation of a variety of hematopoietic progenitor
cells with some specificity towards stimulation of leukocyte production. This agent
also activates neutrophils, monocytes, macrophages, and dendritic cells and promotes
antigen presentation, upregulates antibody-dependent cellular cytotoxicity (ADCC),
and increases interleukin-2-mediated, lymphokine-activated killer cell function. Aerosol
inhalation may help achieve high concentrations of sargramostim in the lung.;