Antitumoral Activity of Leptocarpha rivularis Flower Extracts against Gastric Cancer Cells.

International journal of molecular sciences(2023)

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摘要
is a native South American plant used ancestrally by Mapuche people to treat gastrointestinal ailments. flower extracts are rich in molecules with therapeutic potential, including the sesquiterpene lactone leptocarpin, which displays cytotoxic effects against various cancer types in vitro. However, the combination of active molecules in these extracts could offer a hitherto unexplored potential for targeting cancer. In this study, we investigated the effect of flower extracts on the proliferation, survival, and spread parameters of gastric cancer cells in vitro. Gastric cancer (AGS and MKN-45) and normal immortalized (GES-1) cell lines were treated with different concentrations of flower extracts (DCM, Hex, EtOAc, and EtOH) and we determined the changes in proliferation (MTS assay, cell cycle analysis), cell viability/cytotoxicity (trypan blue exclusion assay, DEVDase activity, mitochondrial membrane potential MMP, and clonogenic ability), senescence (β-galactosidase activity) and spread potential (invasion and migration assays using the Boyden chamber approach) in all these cells. The results showed that the DCM, EtOAc, and Hex extracts display a selective antitumoral effect in gastric cancer cells by affecting all the cancer parameters tested. These findings reveal an attractive antitumoral potential of flower extracts by targeting several acquired capabilities of cancer cells.
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关键词
Leptocarpha rivularis flowers,clonogenicity,cytotoxicity,gastric cancer,invasion,leptocarpin,migration,natural compounds,organic extracts
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