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.
NIH 3T3 cells undergoing senescence following delivery via 30G needles (n = 3). Senescence‐associated β‐galactosidase assay was performed at 5 days after injection, with 150 μM H2O2 for 2 h as positive control. Results are mean values ± SEM.
