Diagnostic and therapeutic application of checkpoint gene CHFR in oral squamous cell cancer.
检查点基因CHFR在口腔鳞状细胞癌诊断和治疗中的应用。
基本信息
- 批准号:16390597
- 负责人:
- 金额:$ 8.9万
- 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 2005
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Alterations in the function of cell cycle checkpoints are frequently detected in oral squamous cell carcinomas (OSCCs), and are often associated with the sensitivity of the cancer cells to chemotherapeutic drugs. Recently, a mitotic checkpoint gene, Chfr, was shown to be inactivated by promoter methylation and point mutations in various human tumors. Here we show that the absence of its product, CHFR, is associated with mitotic checkpoint dysfunction, and that cancer cells lacking CHFR are sensitive to microtubule inhibitors. Checkpoint impairment appears to be caused by a prophase defect in this case, as OSCC cells lacking CHFR showed phosphorylation of histone H3 on Ser10 and translocation of cyclin B1 to the nucleus. When CHFR-deficient OSCC cells were treated with a microtubule inhibitor (docetaxel or paclitaxel), significant numbers of apoptotic cells were observed. Moreover, disruption of CHFR using small interfering RNA (siRNA) impaired the mitotic checkpoint, thereby reducing the ability of OSCC cells to arrest at G2/M phase and making them more sensitive to microtubule inhibitors. Our results suggest that CHFR could be a useful molecular target for chemotherapy.
口腔鳞状细胞癌(OSCC)中经常检测到细胞周期检查点功能的改变,并且通常与癌细胞对化疗药物的敏感性相关。最近,有丝分裂检查点基因,Chfr,被证明是失活的启动子甲基化和点突变在各种人类肿瘤。在这里,我们表明,它的产品,CHFR的情况下,与有丝分裂检查点功能障碍,缺乏CHFR的癌细胞是敏感的微管抑制剂。在这种情况下,检查点损伤似乎是由前期缺陷引起的,因为缺乏CHFR的OSCC细胞显示Ser 10上的组蛋白H3磷酸化和细胞周期蛋白B1易位到细胞核。当CHFR缺陷的OSCC细胞用微管抑制剂(多西他赛或紫杉醇)处理时,观察到大量凋亡细胞。此外,使用小干扰RNA(siRNA)破坏CHFR损害了有丝分裂检查点,从而降低了OSCC细胞在G2/M期停滞的能力,使它们对微管抑制剂更敏感。我们的研究结果表明,CHFR可能是一个有用的分子靶点化疗。
项目成果
期刊论文数量(70)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Aberrant laminin beta3 isoforms downstream of EWS-ETS fusion genes in Ewing family tumors
尤文家族肿瘤中 EWS-ETS 融合基因下游的异常层粘连蛋白 beta3 亚型
- DOI:
- 发表时间:2005
- 期刊:
- 影响因子:0
- 作者:Irifune H;Nishimori H;Watanabe G;Yoshida K;Ikeda T;Matsui C;Morohashi M;Kawaguchi S;et al.
- 通讯作者:et al.
Genetic, epigenetic and clinicopathological features of gastric cancers with CpG island methylator phenotype and association to Epstein-Barr virus.
具有 CpG 岛甲基化表型以及与 Epstein-Barr 病毒相关的胃癌的遗传、表观遗传和临床病理学特征。
- DOI:
- 发表时间:2006
- 期刊:
- 影响因子:0
- 作者:Kusano M;Toyota M;Suzuki H;Akino K;Aoki F;Fujita M;Hosokawa M;Shinomura Y;Imai K;Tokino T
- 通讯作者:Tokino T
Regulation of MHC class II expression in glioma cells by class II transactivator (CIITA)
- DOI:10.1002/glia.10343
- 发表时间:2004-03-15
- 期刊:
- 影响因子:6.2
- 作者:Takamura, Y;Ikeda, H;Sato, N
- 通讯作者:Sato, N
Tight junction protein MAGI-1 is up-regulated by transfection with connexin 32 in an immortalized mouse hepatic cell line : cDNA micrroarray analysis.
在永生化小鼠肝细胞系中,通过连接蛋白 32 转染,紧密连接蛋白 MAGI-1 上调:cDNA 微阵列分析。
- DOI:
- 发表时间:2005
- 期刊:
- 影响因子:0
- 作者:N.Saitoh;et al.;Irifune H et al.;Odajima T et al.;Murata M et al.
- 通讯作者:Murata M et al.
Epigenetic inactivation of classII transactivator (CIITA) is associated with the absence of interferon-gamma-induced HLA-DR expression in colorectal and gastric cancer cells.
II 类反式激活因子 (CIITA) 的表观遗传失活与结直肠癌细胞和胃癌细胞中干扰素 γ 诱导的 HLA-DR 表达缺失有关。
- DOI:
- 发表时间:2004
- 期刊:
- 影响因子:0
- 作者:Nakano K;Nomura R;Shimizu N;Nakagawa I;Hamada S;Ooshima T.;Nakano K et al.;Maruyama R et al.;Akino K et al.;Kang X et al.;Kusano M et al.;King KE et al.;Okuda H et al.;Terasawa K et al.;Maruyama R et al.;Akino K et al.;Kang X et al.;Kusano M et al.;King KE et al.;Okuda H et al.;Terasawa K et al.;Maruyama et al.;Kusano M et al.;King KE et al.;Terasawa K et al.;Kang X et al.;Ogi K et al.;Sasaki Y et al.;Irifune H et al.;Aoki M et al.;Simbulan-Rosenthal CM et al.;Murai M et al.;Ikeda H et al.;Murai M et al.;Odajima T et al.;Murata M et al.;Abe T et al.;Ogi K et al.;Sasaki Y et al.;Irifune H et al.;Aoki M et al.;Simbulan-Rosenthal CM et al.;Murai M et al.;Ikeda H et al.;Murai M et al.;Odajima T et al.;Murata M et al.;Abe T et al.;Ogi K et al.;Odajima T et al.;Abe T et al.;Aoki M;Murata M;Adachi K et al.;Suzuki H et al.;Tokino T;Satoh A et al.
- 通讯作者:Satoh A et al.
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TOKINO Takashi其他文献
TOKINO Takashi的其他文献
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{{ truncateString('TOKINO Takashi', 18)}}的其他基金
A better understanding of p53 network for cancer therapy
更好地了解用于癌症治疗的 p53 网络
- 批准号:
16K07122 - 财政年份:2016
- 资助金额:
$ 8.9万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
New insights into p53 signaling regulation to cure cancer
p53 信号传导调控治疗癌症的新见解
- 批准号:
25430115 - 财政年份:2013
- 资助金额:
$ 8.9万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
High-throughput screening for peptides that inhibit the interaction or MDM4 with p53
高通量筛选抑制 MDM4 与 p53 相互作用的肽
- 批准号:
23659658 - 财政年份:2011
- 资助金额:
$ 8.9万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
Functional analysis of CHFR: Diagnostic and therapeutic application for oral squamous cell cancer
CHFR 的功能分析:口腔鳞状细胞癌的诊断和治疗应用
- 批准号:
20390519 - 财政年份:2008
- 资助金额:
$ 8.9万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Diagnostic and therapeutic application of cell-cycle checkpoint genes for oral squamous cell cancer.
细胞周期检查点基因在口腔鳞状细胞癌的诊断和治疗中的应用。
- 批准号:
18390545 - 财政年份:2006
- 资助金额:
$ 8.9万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
p53 family : function and cancer therapy
p53 家族:功能和癌症治疗
- 批准号:
17013072 - 财政年份:2005
- 资助金额:
$ 8.9万 - 项目类别:
Grant-in-Aid for Scientific Research on Priority Areas
Function of p53 and its target genes
p53及其靶基因的功能
- 批准号:
12213115 - 财政年份:2000
- 资助金额:
$ 8.9万 - 项目类别:
Grant-in-Aid for Scientific Research on Priority Areas
Functional analysis of p53-target genes.
p53 靶基因的功能分析。
- 批准号:
11138246 - 财政年份:1999
- 资助金额:
$ 8.9万 - 项目类别:
Grant-in-Aid for Scientific Research on Priority Areas (A)
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