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 mechanism by which LPS stimulates macrophages to produce TNF-α under normal gravity and microgravity conditions. The green part (right) illustrates that the binding of HSF-1 to the TNF-α promoter region is responsible for the depression of TNF-α. AP-1, activator protein 1; HSE, heat shock element; IkB, inhibitor of nuclear factor kappa-B.
