Newly Gene Therapy Targeting Inhibition of the Tumor Angiogenesis Using Decoy System
利用诱饵系统抑制肿瘤血管生成的新基因疗法
基本信息
- 批准号:16390539
- 负责人:
- 金额:$ 9.02万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (B)
- 财政年份:2004
- 资助国家:日本
- 起止时间:2004 至 2006
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The development of newly capillary networks from the normal microvasculature of the surrounding tissue has thought to play a critical role for the growth of the solid tumors. Tumor cells influence the angiogenesis by stimulation of endothelial cells with producing several angiogenic factors. Among them, vascular endothelial growth factor (VEGF) is one of the most potent angiogenic factors, and endothelial cell specific mitogen. Several previous studies suggested that inhibition of VEGF using antisense oligodeoxynucleotides or neutralizing antibodies against VEGF suppressed tumor growth in various in vivo and in vitro models. VEGF is well known to be hypoxia-inducible, and has been recently reported to be synthesized by stimulation with tumor necrosis factor α (TNFα) via binding of transcription factor Sp1 to the VEGF promoter. We hypothesized that transfection into the tumor cells nucleus of the synthetic double stranded DNA including consensus sequence of binding site of the Sp1 as cis-trans element decoy could block the binding of Sp1 to the VEGF promoter gene. Transfection of wild type Sp1 decoy, but mutant type decoy, revealed prominent inhibitory effects of VEGF synthesis of cultured human carcinoma cells stimulated by TNFα. This Sp1 decoy introduction into tumor cells may be a novel and useful therapeutic tool for induction of tumor dormancy by its inhibitory effect on VEGF synthesis. In addition, the transfer of the Sp1 decoy would be more effective for regulating tumor growth and invasion than that of antisense oligonucleotide, since not all angiogenic factors but also growth and invasion related factors expression modulated by Sp1 could be simultaneously suppressed.
从周围组织的正常微血管系统发展出新的毛细血管网络被认为对实体肿瘤的生长起关键作用。肿瘤细胞通过刺激内皮细胞产生多种血管生成因子来影响血管生成。其中,血管内皮生长因子(VEGF)是最强的血管生成因子之一,也是内皮细胞特异性的有丝分裂原。几个先前的研究表明,使用反义寡脱氧核苷酸或针对VEGF的中和抗体抑制VEGF在各种体内和体外模型中抑制肿瘤生长。众所周知,VEGF是缺氧诱导的,并且最近有报道通过用肿瘤坏死因子α(TNFα)刺激经由转录因子Sp1与VEGF启动子结合来合成。我们假设,将合成的含有Sp1结合位点共有序列的双链DNA转染到肿瘤细胞核中作为顺反元件诱饵,可以阻断Sp1与VEGF启动子基因的结合。转染野生型Sp1诱饵,但突变型诱饵,显示显着抑制TNFα刺激的培养的人癌细胞的VEGF合成的效果。这种Sp1诱饵引入肿瘤细胞可能是一种新的和有用的治疗工具,通过其对VEGF合成的抑制作用诱导肿瘤休眠。此外,Sp1诱骗物的转移将比反义寡核苷酸更有效地调节肿瘤的生长和侵袭,因为不是所有的血管生成因子,但也生长和侵袭相关因子的表达由Sp1调节可以同时被抑制。
项目成果
期刊论文数量(11)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Inhibition of vascular endothelial growth factor (VEGF) In oral cancer cells by HIF-1 decoy
HIF-1 诱饵抑制口腔癌细胞中的血管内皮生长因子 (VEGF)
- DOI:
- 发表时间:2005
- 期刊:
- 影响因子:0
- 作者:Imai;M;Ishibashi;H;et. al.
- 通讯作者:et. al.
Expression of tumor-associated RCASI and its possible involvement in immune evasion in oral squamous cell carcinoma
口腔鳞状细胞癌肿瘤相关RCASI的表达及其参与免疫逃避的可能
- DOI:
- 发表时间:2006
- 期刊:
- 影响因子:0
- 作者:Toyoshima;T.;Nakamura;S.;Kumamaru;W.;Kawamura;E.;Ishibashi;H.;et al.
- 通讯作者:et al.
The Association between the Computed Tonography Findings.
计算机断层扫描结果之间的关联。
- DOI:
- 发表时间:2005
- 期刊:
- 影响因子:0
- 作者:Nakayama E;Sugiura T;Kobayashi I;Ishibashi H;et al.
- 通讯作者:et al.
Severity of oral mucositis correlates with the response of oral cancer to preoperative radiochemotherapy.
口腔粘膜炎的严重程度与口腔癌对术前放化疗的反应相关。
- DOI:
- 发表时间:2005
- 期刊:
- 影响因子:0
- 作者:Ikebe;T.;K.Seki;et al.
- 通讯作者:et al.
Expression of tumor- associated antigen RCASI and its possible involvement in imuune evasion in oral squamous cell carcinoma.
肿瘤相关抗原 RCASI 的表达及其可能参与口腔鳞状细胞癌的免疫逃避。
- DOI:
- 发表时间:2006
- 期刊:
- 影响因子:0
- 作者:Toyoshima T;Nakamura S;Kumamaru W;Kawamura E;Ishibashi H;et al.
- 通讯作者:et al.
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ISHIBASHI Hiroaki其他文献
ISHIBASHI Hiroaki的其他文献
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{{ truncateString('ISHIBASHI Hiroaki', 18)}}的其他基金
Simple Domestic Gene Therapy against Anti-cancer Angiogenesis with Decoy Oligonucleotides.
用诱饵寡核苷酸对抗癌血管生成的简单国内基因疗法。
- 批准号:
24390420 - 财政年份:2012
- 资助金额:
$ 9.02万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Newky gene therapy using decoy system for degenerative arthritis
使用诱饵系统治疗退行性关节炎的 Newky 基因疗法
- 批准号:
24659838 - 财政年份:2012
- 资助金额:
$ 9.02万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
THE DEVELOPMENT OF NEWLY JAPAN-ORIGINAL GENE THERAPY FOR DEGENERATIVE ARTHROSIS USING DECOY GENE.
使用诱饵基因开发新的日本原创基因疗法治疗退行性关节炎。
- 批准号:
21659433 - 财政年份:2009
- 资助金额:
$ 9.02万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
THE ESTABLISHMENT OF JAPAN-ORIGINAL GENE THERAPY BY ANTI-TUMOR ANGIOGENESIS USING DECOY GENE.
日本原创的利用诱饵基因抗肿瘤血管生成的基因疗法的建立。
- 批准号:
20390478 - 财政年份:2008
- 资助金额:
$ 9.02万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Newly Gene Therapy Targetting Inhibition of the Tumor Angiogenesis Using Decoy System
利用诱饵系统抑制肿瘤血管生成的新基因疗法
- 批准号:
14370605 - 财政年份:2002
- 资助金额:
$ 9.02万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
ESTABLISHMENT AND APPLIANCE OF NEWLY GENE THERAPY FOR INHIBITION OF MULTIDRUG RESISTANCE
抑制多重耐药性新基因疗法的建立及应用
- 批准号:
13557158 - 财政年份:2001
- 资助金额:
$ 9.02万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
ESTBLISHMENT AND APPLIATCE OF NEWLY GENE THERAPY FOR INHIBITION OF TUMOR ANGIOGENESIS
抑制肿瘤血管生成新基因疗法的建立及应用
- 批准号:
12671830 - 财政年份:2000
- 资助金额:
$ 9.02万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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