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.
TNF-α and IFN-γ are significantly released by macrophage cell line U937 on activation. A and B: U937 cells were stimulated with PMA or stimulated and activated with PMA and LPS, and subsequently, the supernatants were analyzed by TNF-α-ELISA (A) and IFN-γ-ELISA (B). *#P < 0.001.
