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

Xianglan Zhang, Zhenlong Zheng, You Keun Shin, Ki Yeol Kim, SunYoung Rha, Sung Hoon Noh, Hyuncheol Chung, Hei Cheul Jeung

Research output: Contribution to journalArticle

12 Citations (Scopus)

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 hepaticmetastasis 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.

Original languageEnglish
Pages (from-to)316-324
Number of pages9
JournalPathology
Volume46
Issue number4
DOIs
Publication statusPublished - 2014 Jan 1

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Thymidine Phosphorylase
Lymphangiogenesis
Intestinal Neoplasms
Angiogenesis Inducing Agents
Stomach Neoplasms
Stomach
Lymph Nodes
Neoplasm Metastasis
Neoplasms
Nude Mice
Adenocarcinoma

All Science Journal Classification (ASJC) codes

  • Pathology and Forensic Medicine

Cite this

Zhang, Xianglan ; Zheng, Zhenlong ; Shin, You Keun ; Kim, Ki Yeol ; Rha, SunYoung ; Noh, Sung Hoon ; Chung, Hyuncheol ; Jeung, Hei Cheul. / Angiogenic factor thymidine phosphorylase associates with angiogenesis and lymphangiogenesis in the intestinal-type gastric cancer. In: Pathology. 2014 ; Vol. 46, No. 4. pp. 316-324.
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Angiogenic factor thymidine phosphorylase associates with angiogenesis and lymphangiogenesis in the intestinal-type gastric cancer. / Zhang, Xianglan; Zheng, Zhenlong; Shin, You Keun; Kim, Ki Yeol; Rha, SunYoung; Noh, Sung Hoon; Chung, Hyuncheol; Jeung, Hei Cheul.

In: Pathology, Vol. 46, No. 4, 01.01.2014, p. 316-324.

Research output: Contribution to journalArticle

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