Core B
核心B
基本信息
- 批准号:8744375
- 负责人:
- 金额:$ 22.64万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2005
- 资助国家:美国
- 起止时间:2005-08-23 至 2016-08-31
- 项目状态:已结题
- 来源:
- 关键词:AKT1 geneAddressAllelesAnimal ModelAnimalsBreedingCause of DeathCell LineComplexDataDiagnostic radiologic examinationEnsureFutureGenerationsGenesGeneticGenetic ModelsGenetically Engineered MouseGenotypeGoalsHumanImageImage AnalysisImaging TechniquesInbreedingIndividualKnockout MiceMalignant NeoplasmsMalignant neoplasm of prostateMetastatic Neoplasm to the BoneModelingMusMutant Strains MiceMutateMutationNeckNeoplasm MetastasisPTEN genePhenotypeProstateProstatic NeoplasmsProtocols documentationReagentResearch PersonnelResourcesRoleSchemeSeriesServicesSignal PathwaySignal TransductionTechnical ExpertiseTestingTimeTrainingTraining ProgramsTraining SupportTransgenesTransgenic AnimalsTransgenic OrganismsTumor Suppressor ProteinsXenograft ModelXenograft procedurecostembryonic stem cellin vivomembermenmouse modelnovelnull mutationprogramsprostate cancer modelprostate carcinogenesisresearch studytumortumor progressiontumor xenografttumorigenesis
项目摘要
The Core will perform two major functions: We will assist with the generation and analysis of xenograft tumor models, and generate novel genetically engineered mouse models for prostate tumorigenesis. The generation and analysis of xenografts tumor models is time consuming and requires specific technical expertise. We will provide technical assistance and training to facilitate the use of xenograft models. A major bottle-neck in the testing and generation of better mouse models of prostate cancer is combining standard genetic models with specific additional mutations. We will generate experimental animals in the Core, thereby removing much ofthe initial burden of complex transgenic experiments from the individual Projects within this Program. This will facilitate the use of such genetic models, and will minimize cost and delays due to lack of access to genetic models and lack of resources. Specifically, in support of the Aims of the three Projects within the Program we will: 1) Provide technical support and training for in vivo xenograft experiments and tumor imaging. Members ofthe Core will be involved in the planning and initiation of xenograft experiments, and will assist with in vivo imaging, induding Xenogen imaging and X-ray imaging of metastases to bone. 2) Generate novel combinations of genetic alterations in mice to address roles in prostate tumorigenesis. We will combine novel conditional mutations in Rala and Ralb with prostate specific deletion of the Pten tumor suppressor. Additionally, we will analyze a series of prostate specific PKN1 transgenes, and combine the most informative with a transgene in which constitutively active AKT1 is expressed in the prostate. 3) Generate mice with a targeted Pkn1 conditional null allele. Mice will be generated from ES cells with a targeted conditional mutation in the Pkn1 gene, and prostate-specific deletion of Pkn1 will be combined with the Pten null mutation, 4) Transfer transgenic prostate tumor models to a pure FVB strain background. All mutations will be transferred to a pure FVB strain background to simplify the analysis of prostate specific tumor phenotypes. By providing these services, we will allow the Program to begin to analyze prostate cancer progression more effectively using animal models.
核心将履行两个主要职能:我们将协助产生和分析异种移植肿瘤模型,并产生新的前列腺癌发生的基因工程小鼠模型。异种移植瘤模型的产生和分析是耗时的,需要特定的技术专业知识。我们将提供技术援助和培训,以促进异种移植模型的使用。测试和生成更好的前列腺癌小鼠模型的一个主要瓶颈是将标准遗传模型与特定的额外突变结合起来。我们将在核心中产生实验动物,从而从该计划内的各个项目中消除复杂的转基因实验的大部分初始负担。这将促进这种遗传模型的使用,并将最大限度地减少由于无法获得遗传模型和缺乏资源而造成的成本和延误。具体地说,为了支持该计划内三个项目的目标,我们将:1)为体内异种移植实验和肿瘤成像提供技术支持和培训。Core的成员将参与异种移植实验的计划和启动,并将协助体内成像,包括Xenogen成像和骨转移的X射线成像。2)在小鼠身上产生新的基因改变组合,以解决前列腺癌发生中的作用。我们将结合Rala和Ralb中新的条件性突变和前列腺特异性Pten肿瘤抑制基因的缺失。此外,我们将分析一系列前列腺特异性PKN1转基因,并将信息量最大的转基因与在前列腺中表达结构性活性AKT1的转基因相结合。3)产生具有靶向PKN1条件零等位基因的小鼠。小鼠将从具有靶向条件突变的PKN1基因的ES细胞中产生,PKN1的前列腺特异性缺失将与Pten零突变相结合,4)将转基因前列腺癌模型转移到纯FVB菌株背景中。所有突变都将转移到纯FVB菌株背景中,以简化前列腺癌特异性肿瘤表型的分析。通过提供这些服务,我们将允许该项目开始使用动物模型更有效地分析前列腺癌的进展。
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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DAN THEODORESCU其他文献
DAN THEODORESCU的其他文献
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9030867 - 财政年份:2010
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