Cytokines - 3
Functions of
specific cytokine:
Kit
ligand Colony-Stimulating
factor (CSF)o highly
specific
o active
at very low concentrations
o named
for target cells
o activation
of this receptor is essential for early stages of hematopoiesis
o proteins
with multiple biologic activities
Interleukins
(IL)o synergistic
activities
o amplification
potential
o effective
at low concentrations