Effector
Phase of Type IV - 2
•UT-DTH
cells secrete a variety of cytokines that include the following:
•chemotactic for
macrophages
•hematopoietic
stimulus for monocytes
& neutrophils
•affects
permeability of endothelial cells and activates macrophages
•migration-inhibition
factor inhibits macrophages
from leaving area of
DTH reaction