Expression and function of cell-surface peptidases in gynecologic cancers and suppression of tumor progression by the targeted therapy against these peptidases

细胞表面肽酶在妇科癌症中的表达和功能以及针对这些肽酶的靶向治疗抑制肿瘤进展

基本信息

  • 批准号:
    15591742
  • 负责人:
  • 金额:
    $ 1.92万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
  • 财政年份:
    2003
  • 资助国家:
    日本
  • 起止时间:
    2003 至 2005
  • 项目状态:
    已结题

项目摘要

In the present study, we examined the expression and function of the four cell-surface peptidases, aminopeptidase A (APA), neutral endopeptidase (NEP), dipeptidyl peptidase IV (DPPIV), and placental leucine aminopeptidase (P-LAP) in gynecologic cancer cells. APA, NEP, DPPIV and P-LAP were differentially expressed and localized in various gynecologic malignancies including cervical cancer, endometrial cancer, ovarian cancer and choriocarcinoma in a tumor-type specific pattern. The expression levels were up-regulated or down-regulated depending on histological grade or disease progression. These peptidases play regulatory roles in tumor cell proliferation, migration, invasion or angiogenesis via degradation/inactivation of target peptides such as angiotensin II, endothelin-1, some chemokines (e.g. SDF-1,RANTES) and oxytocin, which act on cancer cells as a stimulatory or inhibitory factor. Our in vivo studies using nude mouse xenograft models demonstrated that overexpression of APA, NEP or DPPIV suppressed the growth, metastasis, angiogenesis, and peritoneal dissemination of ovarian cancer or cervical cancer. In contrast, P-LAP overezpression in endometrial cancer significantly correlated with impaired patient prognosis and the resistance of cancer cells to chemotherapy. In conclusion, these peptidases may become not only a new diagnostic/prognostic marker, but also a novel molecular target for treatment of gynecologic malignancies.
在本研究中,我们检测了四种细胞表面肽酶:氨肽酶 A (APA)、中性内肽酶 (NEP)、二肽基肽酶 IV (DPPIV) 和胎盘亮氨酸氨肽酶 (P-LAP) 在妇科癌症中的表达和功能细胞。 APA、NEP、DPPIV 和 P-LAP 在宫颈癌、子宫内膜癌、卵巢癌和绒毛膜癌等多种妇科恶性肿瘤中以肿瘤类型特异性模式差异表达和定位。表达水平上调或下调取决于组织学分级或疾病进展。这些肽酶通过降解/失活目标肽(例如血管紧张素 II、内皮素-1、一些趋化因子(例如 SDF-1、RANTES)和催产素)在肿瘤细胞增殖、迁移、侵袭或血管生成中发挥调节作用,这些肽对癌细胞起作用刺激或抑制因素。我们使用裸鼠异种移植模型的体内研究表明,APA、NEP 或 DPPIV 的过度表达可抑制卵巢癌或宫颈癌的生长、转移、血管生成和腹膜播散。相比之下,子宫内膜癌中的 P-LAP 过度表达与患者预后受损和癌细胞对化疗的抵抗力显着相关。总之,这些肽酶不仅可能成为新的诊断/预后标志物,而且可能成为治疗妇科恶性肿瘤的新分子靶点。

项目成果

期刊论文数量(112)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Neutral endopeptidase 24.11/CD10 suppresses progressive potential in ovarian carcinoma in vitro and in vivo
  • DOI:
    10.1158/1078-0432.ccr-04-2395
  • 发表时间:
    2005-03-01
  • 期刊:
  • 影响因子:
    11.5
  • 作者:
    Kajiyama, H;Shibata, V;Kikkawa, F
  • 通讯作者:
    Kikkawa, F
Anti-Progressive Effect of Neutral Endopeptidase 24.11 (NEP/CD10) on Cervical Carcinoma in vitro and in vivo
  • DOI:
    10.1159/000087476
  • 发表时间:
    2005-08
  • 期刊:
  • 影响因子:
    3.5
  • 作者:
    Mikio Terauchi;H. Kajiyama;K. Shibata;K. Ino;S. Mizutani;F. Kikkawa
  • 通讯作者:
    Mikio Terauchi;H. Kajiyama;K. Shibata;K. Ino;S. Mizutani;F. Kikkawa
Kluwer Academic/Plenum Publishers,New York
克鲁沃学术/全会出版社,纽约
  • DOI:
  • 发表时间:
    2003
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Suganuma T;Ino K;et al.;Mizutani S et al.
  • 通讯作者:
    Mizutani S et al.
Stromal cell-derived factor-1alpha-induced cell proliferation and its possible regulation by CD26/dipeptidyl peptidase IV in endometrial adenocarcinoma.
子宫内膜腺癌中基质细胞衍生因子 1α 诱导的细胞增殖及其可能受 CD26/二肽基肽酶 IV 的调节。
  • DOI:
  • 发表时间:
    2004
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Shibata K;et al.;Ino K et al.;Shibata K et al.;Mizokami Y et al.;Kikkawa F et al.;Mizokami Y et al.
  • 通讯作者:
    Mizokami Y et al.
A novel role for placental leucine aminopeptidase (P-LAP) as a determinant of chemoresistance in endometrial carcinoma cells
  • DOI:
    10.1002/ijc.21509
  • 发表时间:
    2006-03-15
  • 期刊:
  • 影响因子:
    6.4
  • 作者:
    Kondo, C;Shibata, K;Kikkawa, F
  • 通讯作者:
    Kikkawa, F
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INO Kazuhiko其他文献

INO Kazuhiko的其他文献

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{{ truncateString('INO Kazuhiko', 18)}}的其他基金

Role of chemokine systems and its relation to immunotolerance and angiogenesis in ovarian cancer progression
趋化因子系统的作用及其与卵巢癌进展中免疫耐受和血管生成的关系
  • 批准号:
    26462535
  • 财政年份:
    2014
  • 资助金额:
    $ 1.92万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Mechanisms of tumor-induced immune tolerance during the process of peritoneal dissemination of ovarian cancer
卵巢癌腹膜播散过程中肿瘤诱导的免疫耐受机制
  • 批准号:
    23592459
  • 财政年份:
    2011
  • 资助金额:
    $ 1.92万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Functional role of IDO, a novel prognostic marker for endometrial cancer, and development of the tailor-made IDO-targeted therapy
IDO(子宫内膜癌的一种新型预后标志物)的功能作用以及定制 IDO 靶向治疗的开发
  • 批准号:
    18591831
  • 财政年份:
    2006
  • 资助金额:
    $ 1.92万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)

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