Development of Animal Models (Transgenic Mice) for Ovarian Cancer

卵巢癌动物模型(转基因小鼠)的开发

基本信息

  • 批准号:
    16390477
  • 负责人:
  • 金额:
    $ 6.98万
  • 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

项目摘要

The mortality rate of ovarian cancer in Japan is increasing year by year, and more than 8 times in these 50 years. It is difficult to diagnose ovarian cancer in early stage, because patients with ovarian cancer have no symptoms or just mild symptoms until the disease is in an advanced stage such as stage III/IV and hard to treat. Therefore, ovarian cancer is sometimes called the "silent killer."Recently, we have established a lot of transgenic mice overexpressing various growth factors or oncogenes, such as TGF-α, c-src, c-erbB2, IGF-1, and E2F1, using specific keratin promoters. These transgenic mice developed various epithelial tomors including skin, prostate, gallbladder and uterine cervix. In these transgenic mice, keratin 1, 5, 14 and loricrin were used as promoters. However, there is no possibilities that these mice were associated with ovarian tumorigenesis, because these promoters of transgenic mice were not expressed in ovarian surface epithelium (OSE).In this study, we aimed at development of animal models for ovarian cancer. First, we explored the promising candidate molecules as a specific promoter for making transgenic mice associated with ovarian tumorigenesis, and found that keratin 8 (K8) was specifically expressed in ovarian surface epithelium. Next, we made K8,GFP (green fluorescent protein) transgenic mice to confirm the distribution and localization of K8 expression. Finally, we attempted to make some transgenic mice, K8.IGF-1 transgenic mice, K8.E2F1 transgenic mice, K8.erbB2 transgenic mice, and K8.src transgenic mice. However these projects are still on going, our preliminary data showed that papillary proliferation of OSE, considered as precursor lesions of ovarian dancer, was observed in erbB2 transgenic mice.
日本卵巢癌的死亡率逐年上升,在这50年中增加了8倍以上。卵巢癌的早期诊断比较困难,因为卵巢癌患者没有任何症状或只有轻微的症状,直到疾病进入晚期,如III/IV期,很难治疗,因此卵巢癌有时被称为“沉默的杀手”。“最近,我们使用特定的角蛋白启动子建立了许多过表达各种生长因子或癌基因的转基因小鼠,例如TGF-α、c-SRC、c-erbB 2、IGF-1和E2 F1。这些转基因小鼠产生了各种上皮肿瘤,包括皮肤、前列腺、胆囊和子宫颈。在这些转基因小鼠中,角蛋白1、5、14和兜甲蛋白被用作启动子。然而,这些转基因小鼠的启动子在卵巢表面上皮细胞(OSE)中不表达,因此不可能与卵巢肿瘤的发生有关。首先,我们探索了有希望的候选分子作为一个特定的启动子,使转基因小鼠与卵巢肿瘤的发生,并发现角蛋白8(K8)特异性表达在卵巢表面上皮。其次,我们制备了K8、GFP(绿色荧光蛋白)转基因小鼠,以证实K8的表达分布和定位。最后,我们尝试制备了一些转基因小鼠,K8.IGF-1转基因小鼠、K8.E2F1转基因小鼠、K8.erbB2转基因小鼠和K8.src转基因小鼠。然而,这些项目仍在进行中,我们的初步数据显示,OSE的乳头状增生,被认为是卵巢舞蹈家的前体病变,观察到在erbB 2转基因小鼠。

项目成果

期刊论文数量(10)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Overexpression of insulin-like growth factor-1 in epithelium of uterine cervix results in cervical neoplasia in transgenic mice
转基因小鼠子宫颈上皮过度表达胰岛素样生长因子-1导致子宫颈肿瘤
  • DOI:
  • 发表时间:
    2005
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Tanaka T;Bai T;et al.;Takashi Matsumoto et al.;Takashi Matsumoto et al.
  • 通讯作者:
    Takashi Matsumoto et al.
Secondary amyloidosia and eosinophilia in a patient with uterine leiomyosarcoma.
子宫平滑肌肉瘤患者继发性淀粉样变性和嗜酸性粒细胞增多。
  • DOI:
  • 发表时间:
    2005
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Sachiko Onishi;Takashi Matsumoto et al.
  • 通讯作者:
    Takashi Matsumoto et al.
よくわかる卵巣癌のすべて 疫学;罹患率と死亡率の推移 -国際比較、リスクファクターも含めて- (安田 充 編)
关于卵巢癌您需要了解的一切:流行病学;发病率和死亡率趋势 - 包括国际比较和危险因素 -(安田充编辑)
  • DOI:
  • 发表时间:
    2007
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Takashi Matsumoto;Kaoru Kiguchi;Jiangjhong Jiang;Steve Carbajal;Lynnsie Ruffino;Linda Beltran;Xiao-JingWang;Dannis R Roop;John DiGiovanni;松元 隆 他;松元 隆 他
  • 通讯作者:
    松元 隆 他
Secondary amyloidosis and eosinophilia in a patient with uterine leiomyosarcoma
子宫平滑肌肉瘤患者继发性淀粉样变性和嗜酸性粒细胞增多
  • DOI:
  • 发表时间:
    2005
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Sachiko Onishi;Nobumasa Hojo;Ikuya Sakai;Takashi Matsumoto;Akihito Watanabe;Tatsuhiko Miyazaki;Mitsuko R Ito;Masato Nose;Shigeru Fujita
  • 通讯作者:
    Shigeru Fujita
よくわかる卵巣癌のすべて(安田 允 編)疫学;罹患率と死亡率の推移 -国際比較,リスクファクターも含めて-
关于卵巢癌您需要了解的一切(由安田胜编辑)流行病学;发病率和死亡率趋势 - 包括国际比较和危险因素 -
  • DOI:
  • 发表时间:
    2007
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Takashi Matsumoto;Kaoru Kiguchi;Jiangjhong Jiang;Steve Carbajal;Lynnsie Ruffino;Linda Beltran;Xiao-JingWang;Dannis R Roop;John DiGiovanni;松元 隆 他
  • 通讯作者:
    松元 隆 他
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ITO Masaharu其他文献

ITO Masaharu的其他文献

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{{ truncateString('ITO Masaharu', 18)}}的其他基金

Mucinous adenocarcinoma caused by loss of heterozygosity in Lkb1 gene knockout mice
Lkb1基因敲除小鼠杂合性丧失导致的粘液腺癌
  • 批准号:
    19591934
  • 财政年份:
    2007
  • 资助金额:
    $ 6.98万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Calcium metabolism in normal pregnancy and pregnancy induced hypertension
正常妊娠和妊娠高血压综合征的钙代谢
  • 批准号:
    09671698
  • 财政年份:
    1997
  • 资助金额:
    $ 6.98万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)

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