Microfluidic technology to isolate tumoricidal T-cells from peripheral blood

微流控技术从外周血中分离杀肿瘤T细胞

基本信息

  • 批准号:
    10613173
  • 负责人:
  • 金额:
    $ 21.66万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2023
  • 资助国家:
    美国
  • 起止时间:
    2023-08-01 至 2026-07-31
  • 项目状态:
    未结题

项目摘要

PROJECT SUMMARY Adoptive cell transfer (ACT) using ex vivo expanded anti-tumor T-cells has garnered significant interest due to successes in treating melanoma and other cancers. This is a highly personalized therapy, in which autologous T-cells that can target the tumors are required. However, finding cells that specifically target tumors remains a major hurdle for the widespread application of T-cell based ACT therapies. The current methods of lymphocyte enrichment result in modest increases in tumoricidal T-cells with little control over the clonal heterogeneity. A technology that overcomes these challenges would significantly lower the barriers (e.g., reduce cost, reduce off-target effects) for broad dissemination of ACT therapies. The primary goal of this project is to develop a separation technology to enrich a population of lymphocytes with tumoricidal T-cells based on their capacity to recognize autologous tumor antigens. The premise of our microfluidic technology is that tumoricidal T-cells can be separated from a bulk leukocyte population when exposed to tumor-derived peptide-major histocompatibility complex I under optimal flow conditions. The specific aims are to: 1) Develop a microfluidic device to enrich a population of lymphocytes with antigen specific T-cells, and 2) Demonstrate the capacity of the microfluidic platform to enrich patient-derived Peripheral Blood Mononuclear Cells with tumoricidal T-cells using patient- matched tumor cells. Accomplishing our primary goal will create a potentially disruptive technology that could pave way for wide-spread application of T-cell based ACT therapies, and the agnostic feature (i.e., no a priori knowledge of tumor antigen(s) is required) of the technology would make it broadly applicable for a personalized medicine approach to a range of cancers.
项目总结 使用体外扩增的抗肿瘤T细胞进行过继细胞转移(ACT)已引起人们的极大兴趣,因为 在治疗黑色素瘤和其他癌症方面取得成功。这是一种高度个性化的疗法,其中自体 需要能够靶向肿瘤的T细胞。然而,寻找特异性靶向肿瘤的细胞仍然是一个 以T细胞为基础的ACT疗法广泛应用的主要障碍。淋巴细胞的现行检测方法 浓缩会导致杀瘤T细胞的适度增加,但对克隆异质性几乎没有控制。一个 克服这些挑战的技术将显著降低障碍(例如,降低成本、减少 非目标效应),以广泛传播ACT疗法。这个项目的主要目标是开发一种 基于杀伤T细胞的能力来丰富淋巴细胞群体的分离技术 识别自体肿瘤抗原。我们的微流控技术的前提是杀瘤T细胞可以 当暴露于肿瘤衍生的主要组织相容性时,从大量白细胞群中分离出来 最优流动条件下的复合体I。具体目的是:1)开发一种微流控装置,以富集 具有抗原特异性T细胞的淋巴细胞群体,以及2)展示微流控的能力 利用患者-抗肿瘤T细胞丰富患者外周血单个核细胞的平台 匹配的肿瘤细胞。实现我们的主要目标将创造一种潜在的颠覆性技术,可能 为T细胞为基础的ACT疗法的广泛应用铺平道路,以及不可知的特征(即,没有先验 该技术的肿瘤抗原知识(需要S)将使其广泛适用于 针对一系列癌症的个性化医疗方法。

项目成果

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Venktesh Shirure其他文献

Venktesh Shirure的其他文献

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