The AA and PGE
2 levels in SKOV3 cells treated by Berberine within the transwell system. The supernatants of each group were collected each day from the transwell system during the 10‐day incubation, A, AA and B, PGE
2 levels were measured by ELISA. Three independent experiments were carried out. Results were expressed as the mean ± SD, n = 3, *P < .05 compared with control; #P < .05 compared with VP16 group