Title |
Identification of novel molecular regulators of tumor necrosis factor-related apoptosis-inducing ligand (TRAIL)-induced apoptosis in breast cancer cells by RNAi screening
|
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Published in |
Breast Cancer Research, April 2014
|
DOI | 10.1186/bcr3645 |
Pubmed ID | |
Authors |
Sireesha V Garimella, Kristie Gehlhaus, Jennifer L Dine, Jason J Pitt, Magdalena Grandin, Sirisha Chakka, Marion M Nau, Natasha J Caplen, Stanley Lipkowitz |
Abstract |
Tumor Necrosis Factor-Related Apoptosis-Inducing Ligand (TRAIL) binds to its receptors, TRAIL-receptor 1 (TRAIL-R1) and TRAIL-receptor 2 (TRAIL-R2), leading to apoptosis by activation of caspase-8 and the downstream executioner caspases, caspase-3 and caspase-7 (caspase-3/7). Triple-negative breast cancer (TNBC) cell lines with a mesenchymal phenotype are sensitive to TRAIL while other breast cancer cell lines are resistant. The underlying mechanisms that control TRAIL sensitivity in breast cancer cells are not well understood. Here, we performed small interfering RNA (siRNA) screens to identify molecular regulators of the TRAIL pathway in breast cancer cells. |
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