Plasmacytoid Dendritic Cells _____.(Select All That Apply.)

Plasmacytoid dendritic cells _____.(Select all that apply.)

A) detect viral infection by using TLR4
B) produce large amounts of the type I interferons when activated
C) are found exclusively in the blood
D) make up 10% of circulating leukocytes
E) have a cytoplasmic morphology resembling that of antibody-producing plasma cells.