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.
The morphology of a CD4+ T cell changes from round to round-flattened during the IS formation. TCR is shown red, ICAM-1 is green, and scale bar is 2 μm. Before IS formation, TCR was uniformed on the surface of T cell. After IS formation, TCR and ICAM-1 was accumulated at the interface of T-DC.
