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Inhibition of Wntless/GPR177 suppresses gastric tumorigenesis

Authors
 Jaesung Seo  ;  Hyun Jung Kee  ;  Hye Ji Choi  ;  Jae Eun Lee  ;  Soo-Yeon Park  ;  Seung-Hyun Lee  ;  Mi-Hyeon Jeong  ;  Garam Guk  ;  SooYeon Lee  ;  Kyung-Chul Choi  ;  Yoon Young Choi  ;  Hyunki Kim  ;  Sung Hoon Noh  ;  Ho-Geun Yoon  ;  Jae-Ho Cheong 
Citation
 BMB Reports, Vol.51(5) : 255-260, 2018 
Journal Title
 BMB Reports 
ISSN
 1976-6696 
Issue Date
2018
Abstract
Wntless/GPR177 functions as WNT ligand carrier protein and activator of WNT/beta-catenin signaling, however, its molecular role in gastric cancer (GC) has remained elusive. We investigated the role of GPR177 in gastric tumorigenesis and provided the therapeutic potential of a clinical development of anti-GPR177 monoclonal antibodies. GPR177 mRNA expression was assessed in GC transcriptome data sets (GSE15459, n = 184; GSE66229, n = 300); protein expression was assessed in independent patient tumor tissues (Yonsei TMA, n = 909). GPR177 expression were associated with unfavorable prognosis [log-rank test, GSE15459 (P = 0.00736), GSE66229 (P = 0.0142), and Yonsei TMA (P = 0.0334)] and identified as an independent risk predictor of clinical outcomes: GSE15459 [hazard ratio (HR) 1.731 (95% confidence interval; CI; 1.103- 2.715), P = 0.017], GSE66229 [HR 1.54 (95% CI, 1.10-2.151), P = 0.011], and Yonsei TMA [HR 1.254 (95% CI, 1.049- 1.500), P = 0.013]. Either antibody treatment or GPR177 knockdown suppressed proliferation of GC cells and sensitized cells to apoptosis. And also inhibition of GPR177 suppresses in vitro and in vivo tumorogenesis in GC cells and inhibits WNT/beta-catenin signaling. Finally, targeting and inhibition of GPR177 with antibody suppressed tumorigenesis in PDX model. Together, these results suggest GPR177 as a novel candidate for prognostic marker as well as a promising target for treatment of GC patients. [BMB Reports 2018; 51(5): 255-260].
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T201801638.pdf Download
DOI
10.5483/BMBRep.2018.51.5.046
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Biochemistry and Molecular Biology (생화학-분자생물학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Kee, Hyun Jung(기현정) ORCID logo https://orcid.org/0000-0003-4350-1852
Kim, Mi Jeong(김미정) ORCID logo https://orcid.org/0000-0002-0758-7145
Kim, Hyunki(김현기) ORCID logo https://orcid.org/0000-0003-2292-5584
Noh, Sung Hoon(노성훈) ORCID logo https://orcid.org/0000-0003-4386-6886
Park, Soo Yeon(박수연) ORCID logo https://orcid.org/0000-0003-3743-9554
Yoon, Ho Geun(윤호근) ORCID logo https://orcid.org/0000-0003-2718-3372
Lee, Seung Hyun(이승현) ORCID logo https://orcid.org/0000-0001-7549-9430
Cheong, Jae Ho(정재호) ORCID logo https://orcid.org/0000-0002-1703-1781
Choi, Yoon Young(최윤영) ORCID logo https://orcid.org/0000-0002-2179-7851
Choi, Hye Ji(최혜지)
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/162453
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