Ligustilide induces apoptosis and reduces proliferation in human bladder cancer cells by NFκB1 and mitochondria
Liqi Yin1, Lu Ying1,2, Rui Guo1
1Innovation Center of Molecular Diagnostics, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, China.
Abstract:
Ligustilide (LIG), the bioactive constituent of Angelica sinensis, may exert potential benefits in cancer treatment. However, the potential mechanism of LIG in the suppression of bladder cancer (BC) has not been reported yet. This study uncovered the inhibitory effect of LIG on the proliferation and cell cycle arrest of BC cells (T24 and EJ-1) along with unveiling the underlying molecular mechanism. The IC50 values of LIG-treated T24 for 24 and 48 h are 39.91 μg/mL (209.8 μM) and 40.94 μg/mL (215.2 μM) separately. The same conditions, the IC50 values of EJ-1 are 45.73 μg/mL (240.4 μM) and 43.81 μg/mL (230.3 μM), separately. Additionally, LIG induced apoptosis and cycle arrest of T24 and EJ-1 cells in sub-G1 phase. Further studies showed that LIG induced apoptosis of BC cells by upregulating Caspase-8, truncated BID (tBID) and BAX proteins, and downregulating NFκB1 (p50) protein. In conclusion, LIG significantly inhibits the growth of BC cells in vitro and in vivo by inducing apoptosis and is inexpensive, making it a promising candidate for novel anti-BC drugs.
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