Functional expression of a proliferation-related ligand in hepatocellular carcinoma and its implications for neovascularization

被引：40

作者：

Okano, Hiroshi ^{[1
]}

Shiraki, Katsuya ^{[1
]}

Yamanaka, Yutaka ^{[1
]}

Inoue, Hidekazu ^{[1
]}

Kawakita, Tomoyuki ^{[1
]}

Saitou, Yukiko ^{[1
]}

Yamaguchi, Yumi ^{[1
]}

Enokimura, Naoyuki ^{[1
]}

Ito, Keiichi ^{[1
]}

Yamamoto, Norihiko ^{[1
]}

Sugimoto, Kazushi ^{[1
]}

Murata, Kazumoto ^{[1
]}

Nakano, Takeshi ^{[1
]}

机构：

[1] Mie Univ, Sch Med, Dept Internal Med 1, Tsu, Mie 5148507, Japan

来源：

WORLD JOURNAL OF GASTROENTEROLOGY | 2005年 / 11卷 / 30期

关键词：

A proliferation-inducing ligand; HCC; VEGF; Cell proliferation; Neovascularization;

D O I：

10.3748/wjg.v11.i30.4650

中图分类号：

R57 [消化系及腹部疾病];

学科分类号：

摘要：

AIM: To detect the expression of a proliferation-related ligand on human hepatocellular carcinoma (HCC) cell lines (SK-Hep1, HLE and HepG2) and in culture medium. METHODS: APRIL expression was analyzed by Western blotting in HCC cell lines. Effects of APRIL to cell count and angiogenesis were analyzed, too. RESULTS: Recombinant human APRIL (rhAPRIL) increased cell viability of HepG2 cells and, in HUVEC, rhAPRIL provided slight tolerance to cell death from serum starvation. Soluble APRIL (sAPRIL) from HLE cells increased after serum starvation, but did not change in SK-Hep1 or HepG2 cells. These cells showed down-regulation of VEGF after incubation with anti-APRIL antibody. Furthermore, culture medium from the HCC cells treated with anti-APRIL antibody treatment inhibited tube formation of HUVECs. CONCLUSION: Functional expression of APRIL might contribute to neovascularization via an upregulation of VEGF in HCC. (C) 2005 The WJG Press and Elsevier Inc. All rights reserved.

引用

页码：4650 / 4654

页数：5

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