Anti-CD3ɛ administration induces DC movement and maturation. (A) Immunoperoxidase staining of cryostat sections or (B) alkaline phosphatase staining of embedded serial sections of spleens from control (hamster Ig) or anti-CD3ɛ injected mice (50 μg IV), 6 and 48 hours posttreatment. Sections were stained with antibodies to CD11b, CD11c, IgD, Dec-205, and CD86 as indicated in the figure.