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相关概念视频

Flow Cytometry01:23

Flow Cytometry

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The development of flow cytometry techniques began in 1934 with initial attempts by Andrew Moldavan, a bacteriologist who counted the cells in a flowing capillary system. Moldavan pumped cells through a capillary tube focused under a microscope for visualization. The invention of photometry allowed the measurement of differentially-stained cells, and Louis Kamentsky developed the first multiparameter flow cytometer in 1965 to identify and count the cancer cells in cervical tissue specimens.
In...
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相关实验视频

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Author Spotlight: Magnetic Fluorescent Bead-Based Dual-Reporter Flow Analysis of PDL1-Vaxx Peptide Vaccine-Induced Antibody Blockade of the PD-1/PD-L1 Interaction
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Author Spotlight: Magnetic Fluorescent Bead-Based Dual-Reporter Flow Analysis of PDL1-Vaxx Peptide Vaccine-Induced Antibody Blockade of the PD-1/PD-L1 Interaction

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功能性流量细胞测量预测PD-L1的合规变化.

Roser Salvia1, Laura G Rico1, Michael D Ward2

  • 1Functional Cytomics Lab, Germans Trias i Pujol Research Institute (IGTP), Universitat Autònoma de Barcelona, Badalona, Barcelona, Spain.

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|December 15, 2023
PubMed
概括
此摘要是机器生成的。

编程细胞死亡蛋白1联体1 (PD-L1) 的构造变化影响癌症免疫治疗. 这项研究详细介绍了流细胞测量方法来分析骨髓原抑制细胞 (MDSCs) 中的PD-L1反应性,这对于理解标结合至关重要.

关键词:
在MDSC中,MDSC是MDSC.在NSCLCLC中,我们可以看到.在PD-L1中.流动细胞计量是流动细胞计量的方法.免疫疗法 免疫疗法

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Semi-automatic PD-L1 Characterization and Enumeration of Circulating Tumor Cells from Non-small Cell Lung Cancer Patients by Immunofluorescence
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科学领域:

  • 免疫学 免疫学 免疫学
  • 分子生物学分子生物学
  • 在瘤学瘤学.

背景情况:

  • 编程细胞死亡蛋白1/编程细胞死亡蛋白连接体1 (PD-1/PD-L1) 轴是癌症免疫疗法的关键标.
  • 在PD-L1的 conformational 变化可以阻碍活细胞中的抗体结合和治疗疗效.
  • 了解PD-L1动态对于优化免疫检查点抑制剂疗法至关重要.

研究的目的:

  • 探索PD-L1形状变化对其功能和潜在突变的影响.
  • 介绍详细的流细胞测量协议,用于分析骨髓衍生抑制细胞 (MDSCs) 中的PD-L1反应性.
  • 为研究活细胞中的蛋白质构成变化提供了一种方法.

主要方法:

  • 详细的流细胞计程序用于样本准备,采集和封闭.
  • 在髓质衍生抑制细胞 (MDSCs) 中分析PD-L1反应性.
  • 使用生物信息工具进行流量细胞计数据分析.

主要成果:

  • 建立了流细胞计量协议,以评估PD-L1构造变化和MDSCs中的反应性.
  • 证明了该方法在活细胞中研究蛋白质结构动态的适用性.
  • 在肺癌的背景下为分析PD-L1表达和功能提供了一个框架.

结论:

  • 流细胞计是一种可行的方法来分析PD-L1形态变化和MDSCs中的反应性.
  • 这种方法可以提高对癌症免疫治疗中PD-L1功能的理解.
  • 提出的方案可以适应研究其他细胞表面蛋白质及其结构动态.