FoxM1 in tumor cell
肿瘤细胞中的 FoxM1
基本信息
- 批准号:9339464
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2009
- 资助国家:美国
- 起止时间:2009-06-01 至 2019-03-31
- 项目状态:已结题
- 来源:
- 关键词:Alpha CellAmerican Cancer SocietyBiological MarkersDevelopmentDiagnosisDiseaseFOXM1 geneGlandHeadHealthHealthcareLactationLeadLymphomaMaintenanceMalignant neoplasm of liverMammary NeoplasmsMammary glandMedical centerMetastatic breast cancerMetastatic toNeoplasm MetastasisPaclitaxelPeptidesPhysiciansPlayPopulationPregnancyProcessRepressionResistanceRoleStem cellsTP53 geneTestingTherapeuticTumor Suppressor ProteinsTumor-DerivedTumorigenicityWomanWomen&aposs Healthage groupbasebreast cancer survivalcancer stem cellgene repressioninhibitor/antagonistmalignant breast neoplasmneoplastic cellnoveloutcome forecastoverexpressionp19ARFprogenitorpublic health relevanceresponsesarcomatranscription factortumortumor progression
项目摘要
DESCRIPTION (provided by applicant):
Breast cancer remains one of the deadliest diseases in women. According to American Cancer Society about 230,480 women in the US were diagnosed with invasive breast cancer in 2011 and about 40,000 died in that year. Also, a 2009 study by the Walter Reed Army Med. Ctr. suggested that women in the army are 20-40% more likely to develop breast cancer. Therefore, a greater understanding of breast cancer and better therapeutic strategies are urgently needed. This proposal focuses on the fork-head box transcription factor FoxM1 that is over-expressed in the aggressive forms of breast cancers, including the Basal type(s) of breast cancer. Moreover, over-expression of FoxM1 coincides with metastasis and is a biomarker for poor prognosis. In this proposal, we plan to evaluate the functions of FoxM1 in normal mammary gland as well as in the mechanisms that lead to the development of aggressive breast cancer. In addition, we will determine whether targeting FoxM1 using a specific peptide-inhibitor inhibits metastatic progression of breast cancer. The proposal is based on a newly discovered function of FoxM1 in repression of GATA-3 in mammary gland. FoxM1 is expressed at a high level in the luminal progenitor cells. GATA-3 induces differentiation of those progenitors. We will test the hypothesis that FoxM1 controls excessive differentiation during pregnancy, and thus plays an important role in maintaining plasticity of the mammary gland. GATA-3 also is a suppressor of metastasis in breast cancer. Therefore, we will investigate the hypothesis that the repression function of is critical to the mechanism by which FoxM1 contributes to the development of highly aggressive breast cancer. We have characterized a highly specific peptide inhibitor of FoxM1 derived from the tumor suppressor p19ARF that in a cell- penetrating form (ARF-peptide) inhibits metastatic colonization of liver cancer, p53-null sarcoma and p53-null lymphoma. We will investigate whether that peptide-inhibitor efficiently blocks metastatic progression and/or sensitizes breast cancers to available therapies, such as Taxol. The specific aims are: Aim1: Investigate the roles of FoxM1 in mammary gland. Aim2: Investigate the roles of FoxM1 in the metastatic progression of breast cancer. Aim3: Investigate whether the ARF-derived peptide inhibitor of FoxM1 inhibits mammary tumor progression. This merit review proposal is in response to BLR&D RFA on "Women's Health". As more women are entering the US Army, health care at the VA with regards to invasive breast cancer is becoming increasingly significant. Our studies will investigate several novel hypotheses, which will be insightful in understanding and in therapy of metastatic breast cancers.
描述(由申请人提供):
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Pradip Raychaudhuri其他文献
Pradip Raychaudhuri的其他文献
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{{ truncateString('Pradip Raychaudhuri', 18)}}的其他基金
相似海外基金
Improving Vaccination Rates Nationwide through Partnerships between the American Cancer Society
通过美国癌症协会之间的合作提高全国范围内的疫苗接种率
- 批准号:
8916862 - 财政年份:2014
- 资助金额:
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