Intracellular Innate Immune Receptors in Cancer Suppression and Immunotherapy

细胞内先天免疫受体在癌症抑制和免疫治疗中的作用

基本信息

  • 批准号:
    10217045
  • 负责人:
  • 金额:
    $ 92.43万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2019
  • 资助国家:
    美国
  • 起止时间:
    2019-09-17 至 2026-08-31
  • 项目状态:
    未结题

项目摘要

Abstract The challenges addressed by this R35 application are multiple. First, colorectal cancer (CRC) remains a leading cancer worldwide that is resistant to many treatments. Two important risk factors for CRC are a history of chronic colitis or inflammatory bowel disease (IBD) and obesity, both of which are increasing at an alarming rate. However, the mechanisms linking these predisposing factors to CRC are not well understood and thus there is a pressing need to elucidate these basic mechanisms. Second, obesity is also a contributing factor to other gastrointestinal cancers, where the role of innate immunity receptors is less well-defined than CRC. Understanding the roles of innate immunity in these other cancers is a high priority. Third, the interaction of host genetics, microbiome, inflammation and cellular transformation is complex, but fundamental to the onset of gastrointestinal cancers. Elucidating this network of interaction is important for devising new approaches for cancer therapy. Fourth, while the roles of adaptive immune molecules and cells have been the main stake of cancer immunotherapy, much less emphasis has been placed on innate immune receptors which may alter adaptive immunity to advance cancer immunotherapy, which should be an attractive strategy to combat cancer. Finally, while studies in animals are important in establishing a foundation, a well-defined plan to translate basic findings to humans remains the ultimate goal and challenge that we will address. The NLR (nucleotide-binding domain, leucine-rich repeat containing proteins, or nucleotide-oligomerization domain receptor) is a multi-member gene family that encodes a group of cytosolic proteins that are involved in the intracellular sensing of microbial products as well as damage-associated molecular patterns. NOD2, an NLR family member, has a strong genetic association with Crohns' disease and has been implicated in colitis- associated CRC. Additionally, NLRs including NOD2 and NLRP12 can affect the microbiome to impact colitis in mice, suggesting that NLR family members are important in maintaining or disrupting the homeostasis of gut microbiome. We and others have shown a role for the inflammasome NLRs in models of colitis and CRC. In addition to our analyses of well-studied inflammasome components in models of colitis and CRC, we have been at the forefront of defining a strong role for other NLRs which have anti-inflammatory functions (referred to as inhibitory NLRs), and can alter the course of inflammation and cancer. This proposal plans to examine the roles of NLRs in humans and in murine models of cancers, to elucidate the complex interaction of NLRs with the microbiome and cellular transformation and to harness these proteins to enhance cancer immunotherapy.
摘要 此R35应用解决的挑战是多方面的。首先,结直肠癌(CRC)仍然是一种 全球领先的癌症,对多种治疗方法都有抗药性。结直肠癌的两个重要风险因素是历史 慢性结肠炎或炎症性肠病(IBD)和肥胖,这两者都在以惊人的速度增长 费率。然而,将这些易感因素与结直肠癌联系起来的机制还不是很清楚,因此 迫切需要阐明这些基本机制。其次,肥胖也是导致 其他胃肠道癌症,先天免疫受体的作用不如结直肠癌明确。 了解先天免疫在这些其他癌症中的作用是当务之急。第三,中美之间的互动 宿主遗传学、微生物组、炎症和细胞转化是复杂的,但却是发病的基础。 胃肠道癌症。阐明这种相互作用的网络对于设计新的方法非常重要 癌症治疗。第四,虽然适应性免疫分子和细胞的作用一直是 在癌症免疫治疗中,对先天免疫受体的重视要少得多,这种受体可能会改变 适应性免疫促进癌症免疫治疗,这应该是一个有吸引力的抗击战略 癌症。最后,虽然对动物的研究在建立基础方面很重要,但一个明确的计划 将基本发现转化为人类仍然是我们将应对的最终目标和挑战。 NLR(核苷酸结合域,富含亮氨酸重复序列的蛋白质,或核苷酸齐聚 结构域受体)是一个多成员基因家族,编码一组胞浆蛋白,参与 微生物产品的细胞内感知以及与损伤相关的分子模式。NOD2,一个 NLR家族成员,与克罗恩氏病有很强的基因联系,并与结肠炎有关- 关联的CRC。此外,包括NOD2和NLRP12在内的NLR可以影响微生物群,从而影响结肠炎 在小鼠中,这表明NLR家族成员在维持或破坏肠道内稳态方面起着重要作用 微生物组。我们和其他人已经证明了炎症体NLR在结肠炎和结直肠癌模型中的作用。在……里面 除了我们对结肠炎和结直肠癌模型中研究良好的炎性小体成分的分析外,我们还 一直站在为其他具有抗炎功能的NLR定义强大作用的前沿(参考 作为抑制性NLR),并可以改变炎症和癌症的过程。这项提案计划审查 NLRs在人类和小鼠癌症模型中的作用,以阐明NLRs的复杂相互作用 通过微生物组和细胞转化,并利用这些蛋白质来增强癌症 免疫疗法。

项目成果

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Jenny P Ting其他文献

Jenny P Ting的其他文献

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{{ truncateString('Jenny P Ting', 18)}}的其他基金

Intracellular Innate Immune Receptors in Cancer Suppression and Immunotherapy
细胞内先天免疫受体在癌症抑制和免疫治疗中的作用
  • 批准号:
    10654660
  • 财政年份:
    2019
  • 资助金额:
    $ 92.43万
  • 项目类别:
Intracellular Innate Immune Receptors in Cancer Suppression and Immunotherapy
细胞内先天免疫受体在癌症抑制和免疫治疗中的作用
  • 批准号:
    10451800
  • 财政年份:
    2019
  • 资助金额:
    $ 92.43万
  • 项目类别:
Intracellular Innate Immune Receptors in Cancer Suppression and Immunotherapy
细胞内先天免疫受体在癌症抑制和免疫治疗中的作用
  • 批准号:
    10019472
  • 财政年份:
    2019
  • 资助金额:
    $ 92.43万
  • 项目类别:
Novel Nanoparticle Platform for the delivery of Vaccines and Adjuvants
用于输送疫苗和佐剂的新型纳米颗粒平台
  • 批准号:
    8642227
  • 财政年份:
    2014
  • 资助金额:
    $ 92.43万
  • 项目类别:
Novel Nanoparticle Platform for the delivery of Vaccines and Adjuvants
用于输送疫苗和佐剂的新型纳米颗粒平台
  • 批准号:
    9229872
  • 财政年份:
    2014
  • 资助金额:
    $ 92.43万
  • 项目类别:
Engineering Monodisperse Particulate Vaccines to Tailor Immunological Responses
设计单分散颗粒疫苗以定制免疫反应
  • 批准号:
    9337971
  • 财政年份:
    2014
  • 资助金额:
    $ 92.43万
  • 项目类别:
Discovery of New Innate Immune Pathways in Viral Recognition
病毒识别中新先天免疫途径的发现
  • 批准号:
    8653231
  • 财政年份:
    2014
  • 资助金额:
    $ 92.43万
  • 项目类别:
Novel Nanoparticle Platform for the delivery of Vaccines and Adjuvants
用于输送疫苗和佐剂的新型纳米颗粒平台
  • 批准号:
    9307701
  • 财政年份:
    2014
  • 资助金额:
    $ 92.43万
  • 项目类别:
Novel Nucleic Acid Sensing NLRs and Innate Immunity to Viruses
新型核酸传感 NLR 和病毒先天免疫
  • 批准号:
    9233910
  • 财政年份:
    2014
  • 资助金额:
    $ 92.43万
  • 项目类别:
NOD-like Receptors in Intestinal Inflammation
肠道炎症中的 NOD 样受体
  • 批准号:
    10447741
  • 财政年份:
    2013
  • 资助金额:
    $ 92.43万
  • 项目类别:
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