Article Publish Status: FREE
Abstract Title:

Andrographolide Enhances TRAIL-Induced Apoptosis via-Mediated Death Receptors Up-Regulation and Suppression of the NF-кB Pathway in Bladder Cancer Cells.

Abstract Source:

Int J Biol Sci. 2019 ;15(3):688-700. Epub 2019 Jan 24. PMID: 30745855

Abstract Author(s):

Yuyou Deng, Ran Bi, Haoran Guo, Jiaxin Yang, Yujun Du, Chunxi Wang, Wei Wei

Article Affiliation:

Yuyou Deng


Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) is an effective chemotherapeutic agent that specifically impairs cancer cells while sparing normal cells; however, some cancer cells develop resistance to TRAIL. Here, we identified Andrographolide, a diterpenoid lactone derived from a traditional herbal medicine, as an ideal sensitizer for TRAIL to overcome bladder cancer. Our results showed that combination treatment of Andro and TRAIL retarded growth, attenuated proliferation, decreased colony formation, inhibited migration and promoted caspases-mediated apoptosis in T24 cells. Additionally, the sensitization by Andro is achieved through up-regulation of death receptors (DR4 and DR5) of TRAIL in a-dependent manner. Crucially, Andro is also capable of inactivating NF-κB signaling pathway via transcriptional down-regulation p65/RelA, which is further contributed to enhancement of TRAIL-mediated cytotoxicity. These results indicated that non-toxic doses of Andrographolide sensitized bladder cancer cells to TRAIL-mediated apoptosis, suggesting it as an effective therapeutic agent for TRAIL resistant human bladder cancers.

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