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Inhibition of TGFBIp expression reduces lymphangiogenesis and tumor metastasis

Authors
 Y-S Maeng  ;  B Aguilar  ;  S-I Choi  ;  EK Kim 
Citation
 Oncogene, Vol.35(2) : 196-205, 2016 
Journal Title
 Oncogene 
ISSN
 0950-9232 
Issue Date
2016
MeSH
Animals ; Antigens, CD/metabolism ; Cadherins/metabolism ; Cell Adhesion ; Cell Movement ; Cells, Cultured ; Chemokine CCL21/metabolism ; Endothelial Cells/metabolism* ; Endothelial Cells/pathology ; Extracellular Matrix Proteins/genetics ; Extracellular Matrix Proteins/metabolism* ; Humans ; Lymphangiogenesis/physiology* ; Lymphatic Metastasis/pathology* ; Mice, Inbred NOD ; Permeability ; Signal Transduction ; Transforming Growth Factor beta/genetics ; Transforming Growth Factor beta/metabolism* ; Xenograft Model Antitumor Assays ; src-Family Kinases/metabolism
Abstract
Transforming growth factor-β-induced protein (TGFBIp) is an extracellular matrix protein that has a role in a wide range of pathological conditions. However, the role of TGFBIp signaling in lymphangiogenesis is poorly understood. The purpose of this study was therefore to analyze the effects of TGFBIp on lymphangiogenesis and determine whether TGFBIp-related lymphangiogenesis is important for the metastasis of tumor cells. TGFBIp increased adhesion, migration, and morphologic differentiation of human lymphatic endothelial cells (LECs), consistent with an increase in lymphatic vessel sprouting in a three-dimensional lymphatic ring assay. TGFBIp also induced phosphorylation of intracellular signaling molecules SRC, FAK, AKT, JNK and ERK. TGFBIp-induced lymphatic vessel sprouting was inhibited by addition of anti-integrin β3 antibody and pharmacologic inhibitors of FAK, AKT, JNK or ERK. TGFBIp increased both CCL21 expression in LECs, a chemokine that actively recruits tumor cells expressing the cognate chemokine receptors to lymphatic vessels and LEC permeability by inducing the dissociation of VE-cadherin junctions between LECs via the activation of SRC signaling. In vivo, inhibition of TGFBIp expression in SW620 cancer cells dramatically reduced tumor lymphangiogenesis and metastasis. Collectively, our findings demonstrate that TGFBIp is a lymphangiogenic factor contributing to tumor dissemination and represents a potential target to inhibit metastasis.
Full Text
http://www.nature.com/onc/journal/v35/n2/full/onc201573a.html
DOI
10.1038/onc.2015.73
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Ophthalmology (안과학교실) > 1. Journal Papers
5. Research Institutes (연구소) > Corneal Dystrophy Research Institute (각막이상증연구소) > 1. Journal Papers
Yonsei Authors
김응권(Kim, Eung Kweon) ORCID logo https://orcid.org/0000-0002-1453-8042
맹용선(Maeng, Yong Sun) ORCID logo https://orcid.org/0000-0003-1694-8405
최승일(Choi, Seung Il) ORCID logo https://orcid.org/0000-0001-7168-8795
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/146276
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