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.
The effect of BetA on the formation of tube-like structures in (a) HMMECs, (b) HMMECs co-cultured with MDA-MB-231 breast carcinoma cell line and (c) HMMECs co-cultured with breast stromal cells. Images were taken using an inverted phase-contrast microscope set at 40× magnifications. The effect of BetA was determined following 6, 12, 24 and 36 h of incubation.
HMMEC: human mammary microvascular endothelial cell; BetA: betulinic acid.
