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Mol Med Rep ; 24(5)2021 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-34498719

RESUMEN

Apart from its basic antioxidant and anti­inflammatory properties, schizandrin A (SchA), which is isolated from Fructus schisandra, can exert anticancer effects on multiple cancer types. However, to the best of our knowledge, there has been no study identifying the impacts of SchA on gastric cancer (GC). Therefore, the aim of the present study was to identify how SchA functioned to affect the progression of GC. To investigate the role of SchA in GC development, Cell Counting Kit­8, colony formation, wound healing and Transwell assays were conducted to assess the viability, proliferation, migration and invasion of AGS cells, respectively. Then, the apoptosis rate and apoptosis­ and endoplasmic reticulum (ER) stress­related protein expression levels in AGS cells exposed to SchA were detected via TUNEL assays and western blotting, respectively. Subsequently, the aforementioned functional assays were performed again in AGS cells exposed to both SchA and the ER stress inhibitor 4­phenylbutyric acid (4­PBA) for the confirmation of the effect of SchA on ER stress in GC. It was found that SchA markedly decreased the viability, proliferation, migration and invasion, while it induced the apoptosis of AGS cells. Moreover, the markers of ER stress were elevated by SchA treatment in AGS cells. Nevertheless, 4­PBA reversed the effects of SchA on the viability, proliferation, migration, invasion and apoptosis of AGS cells, accompanied by decreased expression of ER stress markers. In conclusion, the present study demonstrated that SchA induced the apoptosis and suppressed the proliferation, invasion and migration of GC cells by activating ER stress, which provides a theoretical basis for the use of SchA in the treatment of GC.


Asunto(s)
Ciclooctanos/farmacología , Estrés del Retículo Endoplásmico/efectos de los fármacos , Lignanos/farmacología , Compuestos Policíclicos/farmacología , Neoplasias Gástricas/patología , Cicatrización de Heridas/efectos de los fármacos , Apoptosis/efectos de los fármacos , Ciclo Celular/efectos de los fármacos , Movimiento Celular/efectos de los fármacos , Proliferación Celular/efectos de los fármacos , Humanos , Invasividad Neoplásica , Neoplasias Gástricas/genética , Neoplasias Gástricas/metabolismo , Células Tumorales Cultivadas
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