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Angiogenic factor thymidine phosphorylase associates with angiogenesis and lymphangiogenesis in the intestinal-type gastric cancer

Authors
 XIANGLAN ZHANG  ;  ZHENLONG ZHENG  ;  YOU KEUN SHIN  ;  KI-YEOL KIM  ;  SUN YOUNG RHA  ;  SUNG HOON NOH  ;  HYUN CHEOL CHUNG  ;  HEI-CHEUL JEUNG 
Citation
 Pathology, Vol.46(4) : 316-324, 2014 
Journal Title
 Pathology 
ISSN
 0031-3025 
Issue Date
2014
Abstract
As an angiogenic factor, thymidine phosphorylase (TP) expression in primary tumours has been thought to be a risk factor for lymph node (LN) and hepatic metastasis in patients with gastric adenocarcinoma. However, the molecular basis for the induction of metastasis by TP is largely unknown. We aim to elucidate the role of TP expression in gastric cancer neovascularisation and LN metastasis.The angiogenic and lymphangiogenic activity (CD31, D2-40, Ki-67, VEGFC, VEGFR3) and expression status of TP were detected in 103 resected human gastric carcinoma samples by immunohistochemistry. The influence of TP expression on neovascularisation and cancer cell invasion was further comparatively investigated in two groups of nude mice intraperitoneally injected with TP overexpressing MKN-45 cells (MKN-45/TP) and control cells (MKN-45/CV). In gastric cancer tissues, we found that high TP expression and various angiogenic and lymphangiogenic activities were significantly associated with poor prognostic outcomes. In addition, TP expression was also found to be associated with neovascularisation activity of gastric cancer tissues. In vivo, the MKN-45/TP group exhibited significantly increased infiltrating tumour nodules and neovascularisation activity compared to the MKN-45/CV group. TP could strongly influence gastric cancer progression via the dual activities of angiogenesis and lymphangiogenesis.
Full Text
http://ovidsp.ovid.com/ovidweb.cgi?T=JS&CSC=Y&NEWS=N&PAGE=fulltext&AN=01268031-201406000-00008&LSLINK=80&D=ovft
DOI
10.1097/PAT.0000000000000094
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원) > 1. Journal Papers
Yonsei Authors
Noh, Sung Hoon(노성훈) ORCID logo https://orcid.org/0000-0003-4386-6886
Rha, Sun Young(라선영) ORCID logo https://orcid.org/0000-0002-2512-4531
Shin, You Keun(신유근)
Chung, Hyun Cheol(정현철) ORCID logo https://orcid.org/0000-0002-0920-9471
Jeung, Hei Cheul(정희철) ORCID logo https://orcid.org/0000-0003-0952-3679
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/99102
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