电友性接近诱导合成适配器通过共同强制免疫受体信号传递来增强通用T细胞功能
Nickolas J Serniuck1,2,3, Eden Kapcan1,2,3, Duane Moogk1,2,4
1Centre for Discovery in Cancer Research, McMaster University, Hamilton, ON, Canada.
Molecular therapy. Oncology
|July 24, 2024
概括
协同免疫招募剂 (CIRs) 通过协同连接T细胞和瘤细胞来增强T细胞的抗瘤活性. 这种共价策略优于非共价方法,提高了免疫治疗的有效性.
科学领域:
- 免疫学 免疫学 免疫学
- 化学生物学 化学生物学
- 生物技术是生物技术.
背景情况:
- 小分子可以诱导细胞与细胞的相互作用,这是基础和转化科学的一个有希望的领域.
- 小分子的共价是驱动细胞与细胞相互作用的尚未探索的策略.
- 双功能小分子是免疫疗法的关键,它能将免疫细胞和瘤细胞联系起来,从而触发瘤细胞死亡.
研究的目的:
- 开发和评估使用共价免疫招募器 (CIR) 和合成抗原受体 (SAR) 增强T细胞激活和抗瘤功能的两组系统.
- 调查共价链接在调节细胞-细胞邻近性和T细胞反应中的作用.
- 建立一个平台,优化SAR-T细胞的功能.
主要方法:
- 设计的电友双功能小分子 (CIRs) 可共地参与合成抗原受体 (SARs).
- 评估了CIRs用于指导人类T细胞的抗瘤功能,这些T细胞经过三种不同的SAR类别的工程.
- 将共价CIR与非共价双功能适配器的有效性进行比较.
主要成果:
- 与不同电友化学,瘤向部分和SAR设计的非共价双功能适配器相比,CIR显示出更高的性能.
- 认定了共价链接对于最大限度地提高系统的功能至关重要.
- 协同链接促进了早期的T细胞激活事件,具体反应取决于SAR的生物学和信号值.
结论:
- 协同免疫招募剂 (CIR) 为增强T细胞介导的抗瘤免疫提供了一个强大的平台.
- 协同性是最大限度地提高小分子介导细胞-细胞近距离诱导功效的关键决定因素.
- 这项工作为共价适配器机制和通用SAR-T细胞优化策略提供了新的见解.
更多相关视频
09:53Using X-ray Crystallography, Biophysics, and Functional Assays to Determine the Mechanisms Governing T-cell Receptor Recognition of Cancer Antigens
Published on: February 6, 2017
11.4K
07:48Spatial and Temporal Control of T Cell Activation Using a Photoactivatable Agonist
Published on: April 25, 2018
6.2K
相关概念视频
T Cell Activation and Clonal Selection
694
T cells are integral to our adaptive immune system, recognizing and effectively responding to foreign antigens. T cell activation and clonal selection are pivotal in orchestrating this immune response. This article elucidates these mechanisms, detailing the roles of cluster of differentiation (CD) markers, major histocompatibility complex (MHC) molecules, costimulatory signals, and the process of clonal selection.
Naive T cells that have not yet encountered an antigen express two primary CD...
Naive T cells that have not yet encountered an antigen express two primary CD...
694
Diversity of Antigen Receptors
558
Antigen receptors are essential components of the immune system crucial in defending the body against foreign invaders. These receptors are present on the surface of B and T cells, enabling them to recognize antigens and mount an appropriate immune response.
Before encountering any antigen, lymphocytes express these receptors. On B cells, the antigen receptor is a membrane-bound antibody molecule called BCR; on T cells, it is a T cell receptor or TCR. B and T cell receptors are composed of two...
Before encountering any antigen, lymphocytes express these receptors. On B cells, the antigen receptor is a membrane-bound antibody molecule called BCR; on T cells, it is a T cell receptor or TCR. B and T cell receptors are composed of two...
558
Special Features of Adaptive Immunity
786
The adaptive immune system, a crucial component of the overall immune response, offers a highly specialized defense against pathogens. It involves specific cell types and features, enabling it to combat infections effectively and efficiently.
The primary cell types involved in adaptive immunity are T cells and B cells. Each type has a unique role in defending the body against pathogens. T cells are responsible for cell-mediated immunity. They identify and eliminate infected cells directly,...
The primary cell types involved in adaptive immunity are T cells and B cells. Each type has a unique role in defending the body against pathogens. T cells are responsible for cell-mediated immunity. They identify and eliminate infected cells directly,...
786
Cell-mediated Immune Responses
68.0K
Overview
68.0K
Antigens Involved in Adaptive Immunity
479
An antigen is any substance the immune system identifies as foreign and potentially harmful to the body, prompting an immune response. Antigens have two functional properties: immunogenicity and reactivity. Immunogenicity is the ability of an antigen to stimulate a specific immune response. At the same time, reactivity describes the antigen's ability to react with the cells and antibodies produced in response to it.
Complete Antigens
Complete antigens possess both immunogenicity and...
Complete Antigens
Complete antigens possess both immunogenicity and...
479
Intracellular Signaling Affects Focal Adhesions
2.6K
Integrins act both as extracellular input receivers and as intracellular processing activators. As their name suggests, integrins are entirely integrated into the membrane structure. Their hydrophobic membrane-spanning regions interact with the phospholipid bilayer's hydrophobic region. These membrane receptors provide extracellular attachment sites for effectors like hormones and growth factors. They activate intracellular response cascades when their effectors are bound and active.
Some...
Some...
2.6K
