Abstract:
:The use of non‑steroidal anti‑inflammatory drugs (NSAIDs) has been associated with a reduced risk of various types of cancer, including esophageal cancer. However, the mechanisms underlying the antineoplastic effects of NSAIDs in esophageal cancer remain to be elucidated. In the present study, a significant inhibition in cell viability was observed in the EC109 cells following treatment with different concentrations of indomethacin, and these effects occurred in a dose‑ and time‑dependent manner. This inhibition was due to the release of second mitochondria‑derived activator of caspase (Smac) into the cytosol and the activation of caspase‑3. Subsequently, flow cytometry was performed to investigate indomethacin‑induced apoptosis following the overexpression or knockdown of Smac, and western blot analysis was performed to determine the expression of Smac and the activation of caspase‑3. Overexpression of Smac was promoted apoptosis, while downregulation of Smac significantly inhibited apoptosis. Western blot analysis demonstrated that indomethacin induced apoptosis through releasing Smac into the cytosol and activating caspase‑3. These results indicated that Smac is essential for the apoptosis induced by indomethacin in esophageal cancer cells.
journal_name
Mol Med Repjournal_title
Molecular medicine reportsauthors
Qin S,Xu C,Li S,Yang C,Sun X,Wang X,Tang SC,Ren Hdoi
10.3892/mmr.2015.3331subject
Has Abstractpub_date
2015-06-01 00:00:00pages
4694-700issue
6eissn
1791-2997issn
1791-3004journal_volume
11pub_type
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