Article Publish Status: FREE
Abstract Title:

Magnolol Suppresses Pancreatic Cancer DevelopmentandNegatively Regulating TGF-β/Smad Signaling.

Abstract Source:

Front Oncol. 2020 ;10:597672. Epub 2020 Dec 2. PMID: 33344246

Abstract Author(s):

Shuo Chen, Jiaqi Shen, Jing Zhao, Jiazhong Wang, Tao Shan, Junhui Li, Meng Xu, Xi Chen, Yang Liu, Gang Cao

Article Affiliation:

Shuo Chen


Magnolol, a hydroxylated biphenyl extracted from, has recently drawn attention due to its anticancer potential. The present study was aimed to explore the effects of Magnolol on restraining the proliferation, migration and invasion of pancreatic cancerand. Magnolol showed significant anti-growth effect in an orthotopic xenograft nude mouse model, and immunohistochemical staining of the xenografts revealed that Magnolol suppressed vimentin expression and facilitated E-cadherin expression. The cytoactive detection using CCK-8 assay showed Magnolol inhibited PANC-1 and AsPC-1 concentration-dependently. Scratch healing assay and the Transwell invasion assay proved the inhibiting effects of Magnolol on cellular migration and invasion at a non-cytotoxic concentration. Western blot and rt-PCR showed that Magnolol suppressed epithelial-mesenchymal-transition by increasing the expression level of E-cadherin and decreasing those of N-cadherin and vimentin. Magnolol suppressed the TGF-β/Smad pathway by negatively regulating phosphorylation of Smad2/3. Moreover, TGF-β1 impaired the antitumor effects of Magnolol. These results demonstrated that Magnolol can inhibit proliferation, migration and invasionandby suppressing the TGF-β signal pathway and EMT. Magnolol could be a hopeful therapeutic drug for pancreatic malignancy.

Study Type : Animal Study, In Vitro Study

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