ReferenceID 2687
Proscillaridin A Sensitizes Human Colon Cancer Cells to TRAIL-Induced Cell Death
Int J Mol Sci
Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) is a cytotoxic cytokine that induces cancer cell death by binding to TRAIL receptors. Because of its selective cytotoxicity toward cancer cells, TRAIL thera
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- Reference Id
- 2687
- Evidence Id
- 19277
- Core Evidence Id
- 19277
- Source Reference Id
- 5371
- Herb2 Reference Id
- HBREF006168
- Subject Paper Key
- HBIN040882_35805980
- Pubmed Id
- 35805980
- Doi
- 10.3390/ijms23136973
- Paper Title
- Proscillaridin A Sensitizes Human Colon Cancer Cells to TRAIL-Induced Cell Death
- Paper Abstract
- Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) is a cytotoxic cytokine that induces cancer cell death by binding to TRAIL receptors. Because of its selective cytotoxicity toward cancer cells, TRAIL therapeutics, such as recombinant TRAIL and agonistic antibodies targeting TRAIL receptors, have garnered attention as promising cancer treatment agents. However, many cancer cells acquire resistance to TRAIL-induced cell death. To overcome this issue, we searched for agents to sensitize cancer cells to TRAIL-induced cell death by screening a small-molecule chemical library consisting of diverse compounds. We identified a cardiac glycoside, proscillaridin A, as the most effective TRAIL sensitizer in colon cancer cells. Proscillaridin A synergistically enhanced TRAIL-induced cell death in TRAIL-sensitive and -resistant colon cancer cells. Additionally, proscillaridin A enhanced cell death in cells treated with TRAIL and TRAIL sensitizer, the second mitochondria-derived activator of caspase mimetic. Proscillaridin A upregulated TRAIL receptor expression, while downregulating the levels of the anti-cell death molecules, cellular FADD-like IL-1β converting enzyme-like inhibitor protein and Mcl1, in a cell type-dependent manner. Furthermore, proscillaridin A enhanced TRAIL-induced cell death partly via O -glycosylation. Taken together, our findings suggest that proscillaridin A is a promising agent that enhances the anti-cancer efficacy of TRAIL therapeutics.
- Journal
- Int J Mol Sci
- Publish Year
- 2022
- Experiment Subject
- Experiment Type
- Cell Experiment
- Phenotype Related
- Proscillaridin; Cancer; Colon Cancer
- Paper Title Cn
- Paper Title En
- Proscillaridin A Sensitizes Human Colon Cancer Cells to TRAIL-Induced Cell Death
- Bilingual Status
- semi_complete