Stemgen
(STEM-jen)
A substance that causes blood stem cells (cells from which other types of cells develop) to change into different types of blood cells and increases the number and actions of these cells in the blood. It is being studied in the treatment of myelodysplasia. Stemgen is a type of recombinant stem cell growth factor. Also called ancestim, r-metHuSCF, and recombinant human methionyl stem cell factor.