lactoferrin ( lf ) , an iron binding glycoprotein present in the specific granules of mature granulocytes , is capable of suppressing the production of granulocyte-macrophage colony stimulatory factors ( gm-csf ) by monocytes and macrophages in vitro and rebound myelopoiesis in vivo .
C0022942
lactoferrin
C0017968
glycoprotein