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中文摘要
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描述(由申请人提供):人类肿瘤表达的T细胞抗原的鉴定导致了旨在增强宿主对其肿瘤的免疫反应的临床试验(综述1-4)。肿瘤疫苗策略包括抗原肽、载肽树突状细胞、重组腺病毒、痘苗病毒和质粒DNA。尽管有接种疫苗的证据,但很少有临床反应的报道。此外,那些有临床反应的患者通常没有接种疫苗的证据。我们最近描述了一种TCR基因转移,这是一种治疗策略,旨在为任何患者提供自体肿瘤反应性T细胞的来源,而无论他们的免疫状态如何。这项建议的主要目的是利用人类黑色素瘤的动物模型来确定TCR基因修饰的T细胞可以安全地使用并具有抗肿瘤效果。我们还将确定TCR亲和力、肿瘤抗原疫苗和IL-2在体内对TCR基因修饰T细胞的安全性和有效性的影响。除了安全性和有效性,我们还将使用我们开发的敏感的PCR分析来解决有关过继转移的T细胞在荷瘤小鼠中的命运的相关问题,这些问题在癌症患者中是不容易解决的。拟议研究的成功完成将使我们能够为晚期癌症患者设计更好的免疫治疗治疗策略。
英文摘要
DESCRIPTION (provided by applicant): The identification of T cell antigens expressed by human tumors has led to the clinical trials designed to boost the host immune response against their tumors (reviewed by 1-4). Cancer vaccine strategies include antigenic peptides, peptide loaded dendritic cells, recombinant adenoviruses, vaccinia viruses, and plasmid DNA. Despite evidence of vaccination, very few clinical responses have been reported. Furthermore, those patients which had a clinical response generally have no evidence of vaccination. We have recently described a TCR gene transfer a treatment strategy designed to provide a source of autologous tumor reactive T cell to any patient regardless of their immune status. The primary goal of this proposal is to determine TCR gene modified T cells can be safely administered and have anti-tumor efficacy using an animal model for human melanoma. We will also determine how TCR affinity, tumor antigen vaccines, and IL-2 impacts on the safety and efficacy of TCR gene modified T cells in vivo. In addition to safety and efficacy, we will use using sensitive PCR assays we developed to address relevant questions regarding the fate of adoptively transferred T cells in tumor bearing mice which are not easily addressed in cancer patients. The successful completion of the proposed studies will enable us to design better immunotherapy treatment strategies for patients with advanced cancer.
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ADMINISTRATIVE CORE
  • 批准号:
    8744937
  • 项目类别:
  • 资助金额:
    $9.66万
  • 财政年份:
    2013
  • 负责人:
    MICHAEL I. NISHIMURA
  • 依托单位:
IMPACT OF AICD ON TCR TRANSDUCED T CELLS FOR ADOPTIVE IMMUNOTHERAPY
  • 批准号:
    8744932
  • 项目类别:
  • 资助金额:
    $29.72万
  • 财政年份:
    2013
  • 负责人:
    MICHAEL I. NISHIMURA
  • 依托单位:
IMPACT OF IMMUNE SUPPRESSION ON TCR-TRANSDUCED T CELLS FOR ADOPTIVE
  • 批准号:
    8744934
  • 项目类别:
  • 资助金额:
    $20.53万
  • 财政年份:
    2013
  • 负责人:
    MICHAEL I. NISHIMURA
  • 依托单位:
CELL THERAPY CORE
  • 批准号:
    8744942
  • 项目类别:
  • 资助金额:
    $101.08万
  • 财政年份:
    2013
  • 负责人:
    MICHAEL I. NISHIMURA
  • 依托单位:
海外基金