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.
Effect of 20 μM rosmarinic acid (RA) treatment for 50 days on senescence markers in late-passage human skin fibroblasts, ASF-2. (A) Light microscopic pictures of ASF2 cells stained for senescence-specific β-galactosidase (microscopic magnification 20x); (B) The proportion of ASF2 cells showing green autofluorescence in FL1 channel.
