Periplocin Inhibits the Growth of Pancreatic Cancer by Inducing Apoptosis Via AMPK-mTOR Signaling

Overview

Journal Cancer Med

Specialty Oncology

Date 2020 Nov 24

PMID 33231372

Citations 11

Authors

Gangyin Xie

Linxiao Sun

Yonglin Li

Bicheng Chen

Cheng Wang

Affiliations

Soon will be listed here.

Abstract

Background: Periplocin is a monomeric compound that exhibits anti-tumor activities. It is extracted from Cortex Periplocae.

Objective: This study aimed at determining the effect of periplocin treatment on the apoptosis and proliferation of human pancreatic cancer cells, and to elucidate on its mechanisms of action.

Methods: PANC1 and cfpac1 cells were treated with periplocin. Cell proliferation was detected by RTCA, Ki67 immunofluorescence, and a clonogenic assay. The transwell assay was used to examine cell migration and invasion functions. The expression of apoptosis-associated proteins was detected by flow cytometry and western blotting. Total RNA was extracted from the treated and untreated group of PANC1 cells for RNA-seq detection and analysis. Differentially expressed genes were screened for GO biological process and KEGG pathway analysis. Finally, CFPAC1 cells were subcutaneously inoculated into BALB / c nude mice to assess tumor growth.

Results: Periplocin inhibited the proliferation of PANC1 and CFPAC1 cells and induced their apoptosis by activating the AMPK/mTOR pathway and inhibiting p70 S6K. It also attenuated the cell migration, invasion, and inhibited the growth of cfpac1 xenografts in nude mice.

Conclusions: Periplocin inhibits human pancreatic cancer cell proliferation and induces their apoptosis by activating the AMPK / mTOR pathway.

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