Notch ligands in regulation of anti-cancer immunity
Notch配体在抗癌免疫调节中的作用
基本信息
- 批准号:9130120
- 负责人:
- 金额:$ 31.43万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2013
- 资助国家:美国
- 起止时间:2013-09-26 至 2018-08-31
- 项目状态:已结题
- 来源:
- 关键词:Cancer PatientCell Differentiation InductionCell physiologyCellsCellular ImmunityClinicalDataDefectDendritic CellsDiseaseDisease remissionEffector CellEpidermal Growth Factor ReceptorErlotinibEvaluationGene Expression ProfileGenesGeneticGenetic EngineeringHealthHematopoiesisHematopoieticHumanITGAX geneImmuneImmune responseImmunityImmunosuppressionImmunotherapyInvestigationKnockout MiceLigandsLung NeoplasmsMalignant NeoplasmsMalignant neoplasm of lungMediatingMemoryModalityModelingMolecularMusMutant Strains MiceNon-Small-Cell Lung CarcinomaNotch Signaling PathwayOncogenesPathway interactionsPatientsPatternPeripheralPeripheral Blood Mononuclear CellPredictive ValuePrevalenceProgression-Free SurvivalsPublishingReagentRecurrenceRegulationRegulatory T-LymphocyteRelapseResearchRoleSignal TransductionSpecific qualifier valueSystemT cell differentiationT cell responseT-Cell DevelopmentT-LymphocyteTestingTherapeuticTranslatingTranslationsTreatment EfficacyTumor Immunitybasecancer therapyclinical efficacyclinically relevantclinically significantcombinatorialfascinateimprovedimproved outcomeinhibitor/antagonistmouse modelnotch proteinnovelnovel therapeutic interventionnovel therapeuticspreclinical studyprognosticprognostic assaysresponsetargeted treatmenttumortumor growth
项目摘要
DESCRIPTION (provided by applicant): Integrating immunotherapy with targeted therapies in cancer treatment presents a novel combinatorial strategy where complementary modes of action of two distinct modalities suggest fascinating possibilities for therapeutic synergy. Strong
line of evidence suggests that anti-tumor immunity is critical for clinical responses toward conventional and pathway-targeted cancer treatments. Immunotherapies may serve to consolidate the impressive clinical responses from targeted therapies into durable remissions via induction of long-lasting immune responses. The proposed research is based on our published and preliminary our data that define a novel Notch-mediated molecular mechanism of cancer-associated immunosuppression, combined with candidate systemic therapeutics, which overcomes this immunosuppression. We revealed that tumors and down-regulates expression of Delta-like (DLL) Notch ligand in the hematopoietic compartment, and the resulting decreased Notch activation leads to defects in T cells. Genetic or therapeutic enhancement of DLL1- mediated Notch signaling was sufficient to correct tumor-induced defects in T lymphocyte differentiation, improve T cell responses and memory, and produce significant tumor inhibition. We generated and tested in mouse tumor models a prototypic therapeutic reagent, soluble clustered (multivalent) DLL1, that demonstrated immune and therapeutic efficacy. Erlotinib, an inhibitor of EGF receptor (EGFR), has shown significant clinical responses and survival benefit in the treatment of in Non-Small Cell Lung Cancer (NSCLC), however disease recurrence remains a key outstanding problem. We hypothesize that adequate Notch signaling in the immune microenvironment is crucial for the induction of anti-tumor immunity and that ligand-specific pharmacological enhancement of Notch signaling can be exploited to significantly improve progression-free survival after EGFR-targeted therapy via induction of robust and long-lasting anti-tumor immune responses. We intend to test this idea in the following specific aims: 1) Determine the roles of Notch ligand expression in dendritic cells in the regulation of anti-tumor immune responses. 2) Evaluate the clinical efficacy of combination of anti-EGFR targeted therapy with pharmacologically enhanced DLL1/Notch signaling and the ability of multivalent DLL1 to rescues defective T cells, induce sustained immune responses, and durable remission. 3) Evaluate significance of Notch system in regulation of Th cell differentiation and induction of long-lasting remission in NSCLC patients after targeted therapy. We plan to focus on the above aims to achieve a molecular understanding of the role of Notch, DLL1 and other Notch ligands in anti-tumor immunity and to evaluate the therapeutic and prognostic potential that modulation and evaluation of this system could offer. The proposed pre-clinical studies will give us leads to enable the translation of these findings into clinically relevant therapeutics and prognostic assays.
描述(由申请人提供):将免疫疗法与癌症治疗中的靶向治疗相结合,提出了一种新的组合策略,其中两种不同模式的互补作用模式暗示了治疗协同的迷人可能性。强壮
一系列证据表明,抗肿瘤免疫对于传统和途径靶向癌症治疗的临床反应至关重要。免疫疗法可能有助于通过诱导持久的免疫反应,将靶向治疗的令人印象深刻的临床反应巩固为持久的缓解。这项拟议的研究是基于我们公布的初步数据,这些数据定义了一种新的Notch介导的癌症相关免疫抑制的分子机制,并结合了克服这种免疫抑制的候选系统疗法。我们发现,肿瘤和下调Delta样(Dll)Notch配体在造血室的表达,导致Notch活性降低导致T细胞缺陷。DLL1介导的Notch信号的遗传或治疗增强足以纠正肿瘤诱导的T淋巴细胞分化缺陷,改善T细胞反应和记忆,并产生显著的肿瘤抑制作用。我们在小鼠肿瘤模型中产生并测试了一种原型治疗试剂--可溶性簇状(多价)DLL1,它展示了免疫和治疗效果。埃洛替尼是一种表皮生长因子受体(EGFR)的抑制剂,在非小细胞肺癌(NSCLC)的治疗中显示出显著的临床疗效和生存优势,但疾病复发仍是一个关键的突出问题。我们假设,免疫微环境中适当的Notch信号对于诱导抗肿瘤免疫至关重要,并且通过诱导强大和持久的抗肿瘤免疫反应,可以利用配体特异性的Notch信号的药理学增强来显著提高EGFR靶向治疗后的无进展生存率。我们打算在以下特定目标中测试这一想法:1)确定树突状细胞中Notch配体表达在抗肿瘤免疫反应调节中的作用。2)评价抗EGFR靶向治疗联合药物增强的DLL1/Notch信号通路的临床疗效,以及多价DLL1拯救缺陷T细胞、诱导持续免疫应答和持久缓解的能力。3)评价Notch系统在调节非小细胞肺癌患者靶向治疗后Th细胞分化和诱导长效缓解中的意义。我们计划将重点放在上述目标上,以实现对Notch、DLL1和其他Notch配体在抗肿瘤免疫中作用的分子理解,并评估该系统的调节和评估可能提供的治疗和预后潜力。拟议的临床前研究将为我们提供线索,使这些发现能够转化为临床相关的治疗和预后分析。
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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DAVID P. CARBONE其他文献
DAVID P. CARBONE的其他文献
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{{ truncateString('DAVID P. CARBONE', 18)}}的其他基金
Targeting immunosuppressive adenosine in patients with metastatic non-small cell lung cancer
靶向免疫抑制腺苷治疗转移性非小细胞肺癌患者
- 批准号:
10593117 - 财政年份:2021
- 资助金额:
$ 31.43万 - 项目类别:
Targeting immunosuppressive adenosine in patients with metastatic non-small cell lung cancer
靶向免疫抑制腺苷治疗转移性非小细胞肺癌患者
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10350636 - 财政年份:2021
- 资助金额:
$ 31.43万 - 项目类别:
OSU as a Network Lead Academic Participating Site for the NCI NCTN
OSU 作为 NCI NCTN 网络主导学术参与网站
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9902398 - 财政年份:2019
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$ 31.43万 - 项目类别:
ECOG-ACRIN Thoracic Malignancies Integrated Translational Science Center
ECOG-ACRIN 胸部恶性肿瘤综合转化科学中心
- 批准号:
10374819 - 财政年份:2019
- 资助金额:
$ 31.43万 - 项目类别:
ECOG-ACRIN Thoracic Malignancies Integrated Translational Science Center
ECOG-ACRIN 胸部恶性肿瘤综合转化科学中心
- 批准号:
9894764 - 财政年份:2019
- 资助金额:
$ 31.43万 - 项目类别:
OSU as a Network Lead Academic Participating Site for the NCI NCTN
OSU 作为 NCI NCTN 网络主导学术参与网站
- 批准号:
10581614 - 财政年份:2019
- 资助金额:
$ 31.43万 - 项目类别:
ECOG-ACRIN Thoracic Malignancies Integrated Translational Science Center
ECOG-ACRIN 胸部恶性肿瘤综合转化科学中心
- 批准号:
10133005 - 财政年份:2019
- 资助金额:
$ 31.43万 - 项目类别:
OSU as a Network Lead Academic Participating Site for the NCI NCTN
OSU 作为 NCI NCTN 网络主导学术参与网站
- 批准号:
10356923 - 财政年份:2019
- 资助金额:
$ 31.43万 - 项目类别:
ECOG-ACRIN Thoracic Malignancies Integrated Translational Science Center
ECOG-ACRIN 胸部恶性肿瘤综合转化科学中心
- 批准号:
10582677 - 财政年份:2019
- 资助金额:
$ 31.43万 - 项目类别:
Notch ligands in regulation of anti-cancer immunity
Notch配体在抗癌免疫调节中的作用
- 批准号:
8743193 - 财政年份:2013
- 资助金额:
$ 31.43万 - 项目类别:
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