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Sesamin promotes apoptosis and pyroptosis via autophagy to enhance antitumour effects on murine T-cell lymphoma.

PMID: 

J Pharmacol Sci. 2021 Nov ;147(3):260-270. Epub 2021 Aug 10. PMID: 34507635

Abstract Title: 

Sesamin promotes apoptosis and pyroptosis via autophagy to enhance antitumour effects on murine T-cell lymphoma.

Abstract: 

Sesamin is a lignan compound in plants that has various pharmacological effects, including reducing diabetes-associated injuries, regulating fatty acid and cholesterol metabolism, and exerting antiinflammatory and antitumour effects. Previous studies have reported that sesamin can inhibit the proliferation of several types of tumour cells and exert antitumour effects. However, the antitumour effect of sesamin on T-cell lymphoma is still unknown. In this study, we selected a T-cell lymphoma mouse model to investigate the mechanism of sesamin against T-cell lymphoma via programmed cell death in vivo and in vitro. We found that sesamin could significantly inhibit the growth of EL4 cells in a tumour-bearing mouse model. Sesamin markedly inhibited the proliferation of EL4 cells by inducing apoptosis, pyroptosis and autophagy. Autophagy occurred earlier than apoptosis and pyroptosis in EL4cells after sesamin treatment. Blocking autophagy inhibited apoptosis and pyroptosis in EL4 cells after sesamin treatment. Taken together, these results suggested that sesamin promoted apoptosis and pyroptosis via autophagy to enhance antitumour effects on murine T-cell lymphoma. This study expandsour knowledge of the pharmacological effects of sesamin on T-cell lymphoma, and provides a theoretical basis for the development of new antitumour drugs and treatments for T-cell lymphoma.

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