ArticleMolecular biology reports2024
Cynaropicrin, a sesquiterpene lactone, triggers apoptotic cell death in triple negative breast cancer cells.
Article in Molecular biology reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundBreast cancer is the most common cancer in the world. Cynaropicrin is a natural sesquiterpene lactone with potential anticancer effects. The present study was conducted to evaluate the effect of cynaropicrin on proliferation and apoptosis in breast cancer cells.
methodsMDA-MB-231 and MCF-7 cell lines were treated with increasing concentrations of cynaropicrin. The viability of both cell lines was measured using MTT assay. Flowcytometry was used to detect apoptotic cells. The expression levels of apoptosis-related genes were determined using quantitative polymerase chain reaction. The protein expression of apoptosis markers was determined by western blotting.
resultsCynaropicrin significantly diminished the proliferation of MDA-MB-231 and MCF-7 cell lines in a dose-dependent manner. Flowcytometry data uncovered that cynaropicrin augmented early and late apoptosis in MDA-MB-231 cells. Real time-PCR and western blotting results also confirmed the upregulation of pro-apoptotic Bax, caspase-3, -8, and 9 as well as downregulated level of anti-apoptotic marker Bcl-2. Cynaropicrin also remarkably increased the activity of caspase-3, -8, and 9 in MDA-MB-231 cells. However, cynaropicrin neither promoted apoptosis in MCF-7 cells nor altered the expression levels and activity of above mentioned apoptotic markers.
conclusionThe present data indicated anti-proliferative properties of cynaropicrin against breast cancer and highlighted apoptosis-inducing effects of this sesquiterpene on triple negative breast cancer (TNBC) cells. These data may suggest cynaropicrin as a potential anti-TNBC agent to tackle therapy resistance in this type of breast cancer.
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