Fig. 3.
Expression of IL-2 following activation with phorbol myristate acetate (PMA) and ionomycin in CD4 cells and CD8 cells and their CD28− and CD28+ subsets. Symbols and explanation as for Fig. 1.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.