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.
(A) Luciferase activities in human embryonic kidney (HEK) 293 cells transfected with a series of deletion mutants of CD133 P5 promoters and HIF-1α or HIF-2α. (B) P5 −98 bp promoter activity of HEK293 cells transfected with a different dose of HIF-1α and HIF-2α.
