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.
Protein expression of ACE2 (3 blots) (A) and ACE2 activity (n = 5) (B) in cardiac tissue of young and aged rats and aged rats with exercise training (Aged-Ex) are shown. C: ACE2 activity measured in the presence (+) and absence (−) of DX600 (10−5 M), a specific inhibitor of ACE2 (n = 6 in each group). *Significant difference from young group. #Significant difference from aged group.
