Wiktionary
palifermin
n. A human recombinant keratinocyte growth factor produced in ''Escherichia coli''.
Wikipedia
Palifermin
Palifermin (trade name Kepivance, marketed by Biovitrum) is a truncated human recombinant keratinocyte growth factor (KGF) produced in Escherichia coli. KGF stimulates the growth of cells that line the surface of the mouth and intestinal tract.