Abstract
Lung adenocarcinoma (LUAD) is the top prevalent histological kind of lung cancer worldwide. Recent evidences have demonstrated that Sauchinone plays an anticancer role in tumor cell invasion and migration. Therefore, we performed this investigation to explain the potential role of Sauchinone in LUAD as well as the potential mechanism involved. Cell counting kit 8 (CCK-8) and transwell experiments were implemented to measure the proliferative, invasive and migratory abilities of LUAD cells. qRT-PCR and Western blot were performed to detect the transfection efficiency of si-EIF4EBP1s. Additionally, Western blot was also implemented to evaluate the effect of Sauchinone on EIF4EBP1 expression level as well as cell cycle-related proteins. Our findings showed that Sauchinone remarkably suppressed the proliferative ability of LUAD cells in a dose-dependent and time-dependent manner. EIF4EBP1 was a candidate target gene of Sauchinone. EIF4EBP1 expression was increased in LUAD tissues, and its high expression induced a poorer prognosis of LUAD patients. EIF4EBP1 expression was positively associated with cell cycle in LUAD. Sauchinone treatment attenuated EIF4EBP1 expression and cell cycle-related protein levels. Knockdown of EIF4EBP1 repressed the proliferation, invasion and migration of LUAD cells; furthermore, Sauchinone stimulation enforced its inhibitory effect. Meanwhile, the treatment of Sauchinone intensified the arrest of cell cycle induced by EIF4EBP1 knockdown. To sum up, our discovery indicated that Sauchinone exerts an anticancer role through down-regulating EIF4EBP1 and mediating cell cycle in LUAD.
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This study was supported by Science and Technology Program of Sichuan Province in 2018 (No.:2018JY0415).
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Li, SQ., Feng, J., Yang, M. et al. Sauchinone: a prospective therapeutic agent-mediated EIF4EBP1 down-regulation suppresses proliferation, invasion and migration of lung adenocarcinoma cells. J Nat Med 74, 777–787 (2020). https://doi.org/10.1007/s11418-020-01435-4
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DOI: https://doi.org/10.1007/s11418-020-01435-4