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Prostaglandin E2-Induced COX-2 Expressions via EP2 and EP4 Signaling Pathways in Human LoVo Colon Cancer Cells.

作者信息

Hsu Hsi-Hsien, Lin Yueh-Min, Shen Chia-Yao, Shibu Marthandam Asokan, Li Shin-Yi, Chang Sheng-Huang, Lin Chien-Chung, Chen Ray-Jade, Viswanadha Vijaya Padma, Shih Hui-Nung, Huang Chih-Yang

机构信息

Division of Colorectal Surgery, Mackay Memorial Hospital, Freshwater 25160, Taiwan.

Mackay Medicine, Nursing and Management College, Taipei 10449, Taiwan.

出版信息

Int J Mol Sci. 2017 May 25;18(6):1132. doi: 10.3390/ijms18061132.


DOI:10.3390/ijms18061132
PMID:28587064
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5485956/
Abstract

Metastasis is the most dangerous risk faced by patients with hereditary non-polyposis colon cancer (HNPCC). The expression of matrix metalloproteinases (MMPs) has been observed in several types of human cancers and regulates the efficacy of many therapies. Here, we show that treatment with various concentrations of prostaglandin E2 (PGE2; 0, 1, 5 or 10 μM) promotes the migration ability of the human LoVo colon cancer cell line. As demonstrated by mRNA and protein expression analyses, EP2 and EP4 are the major PGE2 receptors expressed on the LoVo cell membrane. The Phosphatidylinositol-4,5-bisphosphate 3-kinase (PI3K)/Akt cell survival pathway was upregulated by EP2 and EP4 activation. Following the activation of the PI3K/Akt pathway, β-catenin translocated into the nucleus and triggered COX2 transcription via LEF-1 and TCF-4 and its subsequent translation. COX2 expression correlated with the elevation in the migration ability of LoVo cells. The experimental evidence shows a possible mechanism by which PGE2 induces cancer cell migration and further suggests PGE2 to be a potential therapeutic target in colon cancer metastasis. On inhibition of PGE2, in order to determine the downstream pathway, the levels of PI3K/Akt pathway were suppressed and the β-catenin expression was also modulated. Inhibition of EP2 and EP4 shows that PGE2 induces protein expression of COX-2 through EP2 and EP4 receptors in LoVo colon cancer cells.

摘要
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f03f/5485956/131ca5ead17c/ijms-18-01132-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f03f/5485956/b7618484cbbc/ijms-18-01132-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f03f/5485956/e58d6a1f3215/ijms-18-01132-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f03f/5485956/4658b4d44248/ijms-18-01132-g003a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f03f/5485956/12a17ed27761/ijms-18-01132-g004a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f03f/5485956/131ca5ead17c/ijms-18-01132-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f03f/5485956/b7618484cbbc/ijms-18-01132-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f03f/5485956/e58d6a1f3215/ijms-18-01132-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f03f/5485956/4658b4d44248/ijms-18-01132-g003a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f03f/5485956/12a17ed27761/ijms-18-01132-g004a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f03f/5485956/131ca5ead17c/ijms-18-01132-g005.jpg

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[1]
Prostaglandin E2-Induced COX-2 Expressions via EP2 and EP4 Signaling Pathways in Human LoVo Colon Cancer Cells.

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[8]
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[9]
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本文引用的文献

[1]
Prostaglandin E2 receptor 4 mediates renal cell carcinoma intravasation and metastasis.

Cancer Lett. 2017-4-10

[2]
Upregulation of the S1P receptor in metastatic breast cancer cells increases migration and invasion by induction of PGE and EP/EP activation.

Biochim Biophys Acta. 2016-11

[3]
Inhibition of the Biosynthesis of Prostaglandin E2 By Low-Dose Aspirin: Implications for Adenocarcinoma Metastasis.

Cancer Prev Res (Phila). 2016-11

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Dual inhibition of COX-2/5-LOX blocks colon cancer proliferation, migration and invasion in vitro.

Oncol Rep. 2016-3

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Biomed Res Int. 2015

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Cancer Nanotechnol. 2011

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Berberine Inhibits Invasion and Metastasis of Colorectal Cancer Cells via COX-2/PGE2 Mediated JAK2/STAT3 Signaling Pathway.

PLoS One. 2015-5-8

[8]
Lipopolysaccharide-promoted proliferation of Caco-2 cells is mediated by c-Src induction and ERK activation.

Biomedicine (Taipei). 2015

[9]
Modulation by licofelone and celecoxib of experimentally induced cancer and preneoplastic lesions in mice exposed to cigarette smoke.

Curr Cancer Drug Targets. 2015

[10]
Evolving Personalized Therapy for Castration-Resistant Prostate Cancer.

Biomedicine (Taipei). 2014

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