A serine protease extracted from Trichosanthes kirilowii inhibits epithelial-mesenchymal transition via antagonizing PKM2-mediated STAT3/Snail1 pathway in human colorectal adenocarcinoma cells

Trichosanthes kirilowii extract possessed various medicinal functions. Recently, it was reported that a serine protease TKP isolated from T. kirilowii inhibits human colorectal adenocarcinoma cell proliferation through inducing apoptosis. In the present study, we studied the influence of TKP on epit...

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Main Authors: Li Song, Xiaobo Xu, Zhuoyu Li
Format: Article
Language:English
Published: Elsevier 2018-01-01
Series:Journal of Functional Foods
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1756464617307247
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author Li Song
Xiaobo Xu
Zhuoyu Li
author_facet Li Song
Xiaobo Xu
Zhuoyu Li
author_sort Li Song
collection DOAJ
description Trichosanthes kirilowii extract possessed various medicinal functions. Recently, it was reported that a serine protease TKP isolated from T. kirilowii inhibits human colorectal adenocarcinoma cell proliferation through inducing apoptosis. In the present study, we studied the influence of TKP on epithelial-mesenchymal transition (EMT) of human colorectal adenocarcinoma cells. The results showed that TKP suppressed EMT of both DLD1 and HCT116 cells, which was indicated by the alteration of morphology and EMT markers including E-cadherin, N-cadherin and vimentin. Consistently, cell adhesion ability was significantly declined after TKP treatment. Mechanistically, TKP treatment inhibited signal transducer and activator of transcription 3 (STAT3)/Snail1 signaling, pyruvate kinase M2 (PKM2) expression and its nuclear translocation. However, PKM2 overexpression could partially reverse the anti-EMT effect of TKP. Taken together, these results indicated that TKP inhibited EMT program of human colorectal adenocarcinoma cells via antagonizing PKM2-mediated STAT3/Snail1 pathway.
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spelling doaj.art-6543f2748e9f4175b0a6a9bc10fc5ba92022-12-21T19:07:44ZengElsevierJournal of Functional Foods1756-46462018-01-0140639647A serine protease extracted from Trichosanthes kirilowii inhibits epithelial-mesenchymal transition via antagonizing PKM2-mediated STAT3/Snail1 pathway in human colorectal adenocarcinoma cellsLi Song0Xiaobo Xu1Zhuoyu Li2Institute of Biotechnology, Key Laboratory of Chemical Biology and Molecular Engineering of National Ministry of Education, Shanxi University, Taiyuan 030006, China; Corresponding author.Institute of Biotechnology, Key Laboratory of Chemical Biology and Molecular Engineering of National Ministry of Education, Shanxi University, Taiyuan 030006, ChinaInstitute of Biotechnology, Key Laboratory of Chemical Biology and Molecular Engineering of National Ministry of Education, Shanxi University, Taiyuan 030006, China; College of Life Science, Zhejiang Chinese Medical University, Hangzhou 310053, ChinaTrichosanthes kirilowii extract possessed various medicinal functions. Recently, it was reported that a serine protease TKP isolated from T. kirilowii inhibits human colorectal adenocarcinoma cell proliferation through inducing apoptosis. In the present study, we studied the influence of TKP on epithelial-mesenchymal transition (EMT) of human colorectal adenocarcinoma cells. The results showed that TKP suppressed EMT of both DLD1 and HCT116 cells, which was indicated by the alteration of morphology and EMT markers including E-cadherin, N-cadherin and vimentin. Consistently, cell adhesion ability was significantly declined after TKP treatment. Mechanistically, TKP treatment inhibited signal transducer and activator of transcription 3 (STAT3)/Snail1 signaling, pyruvate kinase M2 (PKM2) expression and its nuclear translocation. However, PKM2 overexpression could partially reverse the anti-EMT effect of TKP. Taken together, these results indicated that TKP inhibited EMT program of human colorectal adenocarcinoma cells via antagonizing PKM2-mediated STAT3/Snail1 pathway.http://www.sciencedirect.com/science/article/pii/S1756464617307247Colorectal cancerEpithelial-mesenchymal transitionPKM2STAT3/Snail1 pathway
spellingShingle Li Song
Xiaobo Xu
Zhuoyu Li
A serine protease extracted from Trichosanthes kirilowii inhibits epithelial-mesenchymal transition via antagonizing PKM2-mediated STAT3/Snail1 pathway in human colorectal adenocarcinoma cells
Journal of Functional Foods
Colorectal cancer
Epithelial-mesenchymal transition
PKM2
STAT3/Snail1 pathway
title A serine protease extracted from Trichosanthes kirilowii inhibits epithelial-mesenchymal transition via antagonizing PKM2-mediated STAT3/Snail1 pathway in human colorectal adenocarcinoma cells
title_full A serine protease extracted from Trichosanthes kirilowii inhibits epithelial-mesenchymal transition via antagonizing PKM2-mediated STAT3/Snail1 pathway in human colorectal adenocarcinoma cells
title_fullStr A serine protease extracted from Trichosanthes kirilowii inhibits epithelial-mesenchymal transition via antagonizing PKM2-mediated STAT3/Snail1 pathway in human colorectal adenocarcinoma cells
title_full_unstemmed A serine protease extracted from Trichosanthes kirilowii inhibits epithelial-mesenchymal transition via antagonizing PKM2-mediated STAT3/Snail1 pathway in human colorectal adenocarcinoma cells
title_short A serine protease extracted from Trichosanthes kirilowii inhibits epithelial-mesenchymal transition via antagonizing PKM2-mediated STAT3/Snail1 pathway in human colorectal adenocarcinoma cells
title_sort serine protease extracted from trichosanthes kirilowii inhibits epithelial mesenchymal transition via antagonizing pkm2 mediated stat3 snail1 pathway in human colorectal adenocarcinoma cells
topic Colorectal cancer
Epithelial-mesenchymal transition
PKM2
STAT3/Snail1 pathway
url http://www.sciencedirect.com/science/article/pii/S1756464617307247
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