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中华普通外科学文献(电子版) ›› 2009, Vol. 03 ›› Issue (06) : 476 -479. doi: 10.3877/cma.j.issn.1674-0793.2009.06.007

论著

胃癌中溶血磷脂酸对血管内皮生长因子的调控研究
邵雄杰1,(), 陈郁鲜1, 杨晓燕1   
  1. 1.510630 广州,中山大学附属第三医院外科
  • 收稿日期:2009-01-06 出版日期:2009-12-01
  • 通信作者: 邵雄杰
  • 基金资助:
    广东省科技计划资助项目(2007B031514002)

Study of LPA-induced VEGF secretion in gastric cancer

Xiong-jie SHAO1,(), Yu-xian CHEN1, Xiao-yan YANG1   

  1. 1.Department of Surgery, the Third Affiliated Hospital of SUN Yat-sen University, Guangzhou 510630,China
  • Received:2009-01-06 Published:2009-12-01
  • Corresponding author: Xiong-jie SHAO
引用本文:

邵雄杰, 陈郁鲜, 杨晓燕. 胃癌中溶血磷脂酸对血管内皮生长因子的调控研究[J]. 中华普通外科学文献(电子版), 2009, 03(06): 476-479.

Xiong-jie SHAO, Yu-xian CHEN, Xiao-yan YANG. Study of LPA-induced VEGF secretion in gastric cancer[J]. Chinese Archives of General Surgery(Electronic Edition), 2009, 03(06): 476-479.

目的

了解溶血磷脂酸(LPA)对胃癌腹膜间皮细胞(PMC)分泌血管内皮生长因子(VEGF)的调控关系。

方法

体外分离培养PMC并接受LPA的诱导,ELISA检测VEGF的分泌量,随后用LPA的两种拮抗剂PTX和Ki16425分别孵育,观察VEGF水平的变化。

结果

PMC在受到LPA的刺激,产生的VEGF呈剂量依赖性增长,经PTX 或Ki16425的拮抗,LPA诱导PMC生成VEGF的量明显下降。

结论

LPA诱导VEGF的分泌在胃癌腹腔扩散中起着重要的作用。

Objective

To examine the relation between lysophosphatidic acid (LPA)and vascular endothelial growth factor(VEGF)in cultured peritoneal mesothelial cells(PMC)in gastric cancer.

Methods

Human PMC stimulated with LPA were isolated and cultured in vitro.The secretion changes of VEGF in PMC were examined by ELISA.Then PMC was incubated with PTX or Ki16425,which were antagonists of LPA.Effect of PTX on LPA-induced VEGF secretion was determined.

Results

VEGF secretion in LPA-induced PMC increased in a dose-dependent manner.After PMC were treated with PTX or Ki16425,VEGF secretion were significantly reduced.

Conclusion

LPA-induced VEGF secretion may have an important role in the growth of cancer cells disseminated in the peritonealcavity.

图1 ELISA 法检测LPA 诱导PMC 分泌VEGF,*P<0.05。 A 细胞在不同浓度LPA 的培养基中培养16 h B 细胞分别在含80 μmol/L LPA 或无LPA 培养基内培养特定时间。:80 μmol/L LPA,:0 μmol/L LPA
图2 (A) 融合的PMC 分别用有或无100 μg/L 的PTX 孵育24 h,再分别用有或无40 μmol/L LPA 诱导12 h。ELISA 检测PTX 对LPA 诱导VEGF 分泌的影响 (B) 融合的PMC 分别用有或无40 μmol/L 的LPA 诱导12 h,30 min后加入10 μmol/L Ki16425。ELISA 检测Ki16425 对LPA 诱导VEGF 分泌的影响
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