Spatial and mechanistic assessment of the role of stromal fibroblasts in driving emergence of aggressive prostate and bladder cancer
基质成纤维细胞在推动侵袭性前列腺癌和膀胱癌出现中的作用的空间和机制评估
基本信息
- 批准号:10831131
- 负责人:
- 金额:$ 8.22万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-09-15 至 2027-08-31
- 项目状态:未结题
- 来源:
- 关键词:AcuteAddressAgingAnimal ModelAtrophicAutomobile DrivingBasic ScienceCancer EtiologyCancer ModelCarcinomaCell DeathCell ProliferationCellsCharacteristicsChronicClinicalDNA Sequence AlterationDevelopmentDiseaseDisease OutcomeDisease ProgressionEnvironmental Risk FactorEpidemiologyEpigenetic ProcessFDA approvedFOLH1 geneFibroblastsGenesGeneticGenomeGenomicsGleason Grade for Prostate CancerGrowthHeterogeneityImageImaging technologyImmuneImmune EvasionImmune checkpoint inhibitorImmune responseImmune systemImmunologic SurveillanceImmunotherapyInflammationInflammatoryInnate Immune ResponseInterceptLesionLife StyleLinkLocalized DiseaseLongitudinal StudiesMacrophageMagnetic Resonance ImagingMalignant NeoplasmsMalignant neoplasm of prostateMalignant neoplasm of urinary bladderMetastatic Neoplasm to Lymph NodesMetastatic Prostate CancerMolecularMusMutationMyeloid-derived suppressor cellsNeoplasm MetastasisNoninfiltrating Intraductal CarcinomaOutcomePET/CT scanPTEN genePathologicPhasePopulationPositron-Emission TomographyProcessProstateProstate carcinomaProstatectomyProstaticResearchResearch Project GrantsResource SharingRiskRoleSignal TransductionTP53 geneTestingTherapeuticTissue SampleTissuesUnited StatesUp-RegulationVisualizationX-Ray Computed Tomographyadaptive immune responseadaptive immunityanti-cancercancer cellcancer diagnosiscancer initiationcarcinogenesiscarcinogenicitycell injurydisorder controlepigenetic silencingepigenomicsfibroblast-activating factorhigh risk menhuman tissueimaging agentimmune cell infiltrateimmunoreactionimprovedinnovationmenmicrobialmolecular imagingmortalitymouse modelneoplasticneoplastic cellpreneoplastic cellpreventprogrammed cell death ligand 1prospectiveprostate cancer cellprostate cancer progressionprostate carcinogenesisrecruitresponsestemsynergismtranslational studytumortumor microenvironment
项目摘要
Project Summary: Epidemiological and pathological studies have implicated lifestyle, microbial, and
environmental factors in prostate cancer etiology/risk. A potential link between these factors and prostate
carcinogenesis is the presence of chronic inflammation associated with atrophy (PIA) in prostates of aging
men. Yet, there is a paradox surrounding the role of the immune response in prostate cancer: “the
inflammation paradox”. On one hand, inflammation may be a driver of carcinogenesis. On the other, the
immune system is known to seek and destroy cancer cells. The majority prostate cancer lesions are “immune
deserts”, and ICIs are ineffective in most cases. Why is there an evidently strong immune reaction in non-
neoplastic regions in PIA, but a lack of a robust immune response in most prostate cancers? We hypothesize
that chronic inflammation in PIA represents evidence of an innate immune response that drives
carcinogenesis. However, in this inflammatory “proving ground”, only cells that can epigenetically
switch off this response can emerge to become aggressive neoplastic precursors. We hypothesize that
the paucity of immune infiltrates and lack of PD-L1, is evidence that prostate cancer cells develop a number of
different mechanisms that evade anti-tumor adaptive immunity. We postulate that additional cell non-
autonomous immune suppressive mechanisms enable disease progression. We propose 3 synergistic
Research Projects (2 basic,1 translational) to mechanistically test key questions stemming from our “proving
ground” hypothesis. In Proj 1 (Basic Science) we hypothesize that the STING induction in PIA drives acute
and chronic inflammation, leading to cell injury/cell death and proliferation. Second, in a subset of PIA cells,
epigenetic silencing of STING dampens of the immune response, allowing them to emerge as overt pre-
neoplastic cells. We will test this in animal models and in translational studies employing annotated and
molecularly characterized prostatectomies. The combination of PTEN loss and MYC copy number gain is an
independent predictor of poor outcome in prostate cancer. We hypothesize that the combination of MYC and
PTEN stimulates a cell non-autonomous immune evasion mechanism induced by the recruitment of immuno-
suppressive myeloid cells, and fibroblast activation protein (FAP)-positive fibroblasts. Proj 2 (Basic Science)
will test these hypotheses in animal models and in human tissues. Recently introduced imaging technologies
have raised the hypothesis that PET/CT imaging results may be able to predict molecular and tumoral micro-
environmental characteristics of aggressive prostate cancer. PET imaging for PSMA using PyL PET/CT has
been FDA approved for imaging high risk men prior to prostatectomy. In Proj 3 (Translational) we employ
PET/CT scanning for PSMA and combine this with mpMRI to address these hypotheses. Also in Proj 3 we will
apply newly developed/developing PET imaging agents to non-invasively and longitudinally study the extent of
M2 macrophages and cancer associated fibroblasts in our mouse prostate progression cancer models.
项目概述:流行病学和病理学研究涉及生活方式,微生物和
项目成果
期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Short-read aligner performance in germline variant identification.
- DOI:10.1093/bioinformatics/btad480
- 发表时间:2023-08-01
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
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ANGELO Michael DE MARZO其他文献
ANGELO Michael DE MARZO的其他文献
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{{ truncateString('ANGELO Michael DE MARZO', 18)}}的其他基金
Prostate inflammatory lesions as a proving ground for development of aggressive prostate cancer
前列腺炎性病变是侵袭性前列腺癌发展的试验场
- 批准号:
10698119 - 财政年份:2022
- 资助金额:
$ 8.22万 - 项目类别:
Elucidating and testing causal drivers of inflammation triggered prostatic early lesions
阐明和测试炎症引发前列腺早期病变的因果驱动因素
- 批准号:
10698123 - 财政年份:2022
- 资助金额:
$ 8.22万 - 项目类别:
Prostate inflammatory lesions as a proving ground for development of aggressive prostate cancer
前列腺炎性病变是侵袭性前列腺癌发展的试验场
- 批准号:
10518913 - 财政年份:2022
- 资助金额:
$ 8.22万 - 项目类别:
Elucidating and testing causal drivers of inflammation triggered prostatic early lesions
阐明和测试炎症引发前列腺早期病变的因果驱动因素
- 批准号:
10518915 - 财政年份:2022
- 资助金额:
$ 8.22万 - 项目类别:
Multidiciplinary Integrative Genomic Approach to Distinguish Lethal from Indolent Prostate Cancer in Men of Europena and African Ancestry
多学科综合基因组方法区分欧洲和非洲血统男性的致命性前列腺癌和惰性前列腺癌
- 批准号:
10253255 - 财政年份:2015
- 资助金额:
$ 8.22万 - 项目类别:
Multidiciplinary Integrative Genomic Approach to Distinguish Lethal from Indolent Prostate Cancer in Men of Europena and African Ancestry
多学科综合基因组方法区分欧洲和非洲血统男性的致命性前列腺癌和惰性前列腺癌
- 批准号:
9565036 - 财政年份:2015
- 资助金额:
$ 8.22万 - 项目类别:
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