Fig. 4.
SARS-CoV-2 from the respiratory tract enters lung cells through the ACE2 receptor. The virus inactivates the ability of ACE2 to convert AT-II to AT-1,-7. SARS-CoV-2 stimulates PMN (polymorphonuclear neutrophils-mediated) O2•–.
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.