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.
GEC proliferation in normal and ulcerated gastric mucosa of young and aging rats determined by PCNA staining. In aging rats, the number of PCNA-positive ECs was reduced by 46% ± 5% in normal gastric mucosa and by 31% ± 2% in ECs in ulcerated gastric mucosa compared with young rats. PCNA staining in normal gastric mucosa of young rats is expressed as 100%.
