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Abstract Title:

Licochalcone B inhibits growth of bladder cancer cells by arresting cell cycle progression and inducing apoptosis.

Abstract Source:

Food Chem Toxicol. 2014 Mar ;65:242-51. Epub 2013 Dec 31. PMID: 24384411

Abstract Author(s):

Xuan Yuan, Tao Li, Erlong Xiao, Hong Zhao, Yongqian Li, Shengjun Fu, Lu Gan, Zhenhua Wang, Qiusheng Zheng, Zhiping Wang

Article Affiliation:

Xuan Yuan

Abstract:

To examine the mechanisms by which licochalcone B (LCB) inhibits the proliferation of human malignant bladder cancer cell lines (T24 and EJ) in vitro and antitumor activity in vivo in MB49 (murine bladder cancer cell line) tumor model. Exposure of T24 or EJ cells to LCB significantly inhibited cell lines proliferation in a concentration-dependent and time-dependent manner, and resulted in S phase arrest in T24 or EJ cells, respectively. LCB treatment decreased the expression of cyclin A, cyclin-dependent kinase (CDK1 and CDK2) mRNA, cell division cycle 25 (Cdc25A and Cdc25B) protein. In addition, LCB treatment down-regulated Bcl-2 and survivin expression, enhanced Bax expression, activated caspase-3 and cleaved poly (ADP-ribose) polymerase (PARP) protein. Consistently, the tumorigenicity of LCB-treated MB49 cells was limited significantly by using the colony formation assay in vitro and the MB49 tumor model performed in C57BL/6 mice in vivo. These findings provide support for the use of LCB in chemoprevention and bladder cancer therapy.

Study Type : In Vitro Study

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