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Cited 11 time in webofscience Cited 13 time in scopus
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Transglutaminase 2 Regulates Self-renewal and Stem Cell Marker of Human Colorectal Cancer Stem Cells

Authors
Kang, SangheeOh, Sang CheulMin, Byung WookLee, Dae-Hee
Issue Date
Feb-2018
Publisher
INT INST ANTICANCER RESEARCH
Keywords
TGM2; CCSC; stemness; EMT
Citation
ANTICANCER RESEARCH, v.38, no.2, pp.787 - 794
Indexed
SCIE
SCOPUS
Journal Title
ANTICANCER RESEARCH
Volume
38
Number
2
Start Page
787
End Page
794
URI
https://scholarworks.korea.ac.kr/kumedicine/handle/2020.sw.kumedicine/3891
DOI
10.21873/anticanres.12285
ISSN
0250-7005
Abstract
Background/Aim: The aim of this study was to investigate the role of transglutaminase 2 (TGM2) in colorectal cancer stem cells (CCSCs). Materials and Methods: We used the TU12 cell line possessing CD133-expressing CCSCs. After isolating CD133 (-) and CD133 (+) CCSCs, we overexpressed and knocked-down TGM2 to investigate its role in human CCSCs. Results: The expression level of TGM2 was 25-fold higher in tumorigenic cells than non-tumorigenic cells. We found that knockdown of TGM2 by specific RNA interference markedly inhibited cell growth and caused down-regulation of the stemness markers, CD133, SOX2, and beta-catenin. We further demonstrated that knockdown of TGM2 inhibited cell metastatic abilities by down-regulating N-cadherin and vimentin and up-regulating E-cadherin. These findings revealed that TGM2 expression is markedly increased in human colorectal cancer and that down-regulation of TGM2 in tumors may serve as a treatment for colorectal cancer patients. Therefore, this study indicate that TGM2 affects the metastatic potential and stemness of CCSCs by regulating EMT-and stemness-related proteins. Conclusion: The metastatic potential of CSCs arises from highly expressed TGM2.
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3. Graduate School > Graduate School > 1. Journal Articles
2. Clinical Science > Department of Medical Oncology and Hematology > 1. Journal Articles
2. Clinical Science > Department of Colon and Rectal Surgery > 1. Journal Articles

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Min, Byung Wook
Guro Hospital (Department of Colon and Rectal Surgery, Guro Hospital)
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