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.
Flow cytometric analysis of reactive oxygen species (ROS) in human breast cancer cells with/without rhein treatment. After 24 and 48 h incubation with rhein, MCF-7/VEC and MCF-7/HER2 cells were harvested, and then stained by DCFH-DA dye. The fluorescence intensity of stained cells was determined by flow cytometry. *P value < 0.05; **P value < 0.01 compared with untreated cells.
