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.
A549 Smad4−/− cells were treated with etoposide for the indicated times then protein harvested for analysis. A549 Smad4−/− cells demonstrate reducted pDNA-PK and pATM after exposure to etoposide. Experiments were repeated at least twice.
