Title:Resveratrol Inhibits Hepatocellular Carcinoma Progression through
Regulating Exosome Secretion
Volume: 31
Issue: 15
Author(s): Kun Tong, Pingfeng Wang, Ying Li, Yaoyao Tong, Xuejie li, Shirong Yan*Pei Hu*
Affiliation:
- Department of Laboratory Medicine, Taihe Hospital, Hubei University of Medicine, Shiyan, China
- Hubei Key Laboratory of Wudang Local Chinese Medicine Research,
School of Pharmaceutical Sciences, Hubei University of Medicine, Shiyan, China
- Department of Laboratory Medicine, Taihe Hospital, Hubei University of Medicine, Shiyan, China
Keywords:
Hepatocellular carcinoma, resveratrol, exosome, autophagy, lncRNA, nano-particle.
Abstract:
Background and Objectives: Resveratrol is a promising drug for tumor therapy,
but its anti-tumor mechanism remains unclarified. The present study aimed to explore
the effect of resveratrol on the secretion of exosomes and the role of resveratrol-induced
exosomes in the progression of hepatocellular carcinoma.
Methods: The number and contents of exosomes induced by resveratrol were determined
by nanoparticle tracking analysis and high-throughput sequencing in Huh7 cells, respectively.
Expression of Rab27a was assessed by Western blotting and immunofluorescence.
Cell proliferation, migration and epithelial-mesenchymal transition were examined with
the stimuli of resveratrol and exosomes, the activity of autophagy and wnt/β-catenin signaling
induced by resveratrol-induced exosomes and knockdown of lncRNA SNHG29
were monitored by Western blotting and immunofluorescence.
Results: It was found that resveratrol might inhibit the exosome secretion by down-regulating
the expression of Rab27a, thereby suppressing the proliferation, migration and
epithelial-mesenchymal transition of Huh7 cells. Moreover, resveratrol-induced exosomes
could also inhibit the malignant phenotype of Huh7 cells via inhibiting the nuclear
translocation of β-catenin and the activation of autophagy, which lncRNA SNHG29
might mediate.
Conclusion: Resveratrol inhibits hepatocellular carcinoma progression by regulating exosome
secretion and contents.