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Related Concept Videos

T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

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...
Cell-matrix's Response to Mechanical Forces01:13

Cell-matrix's Response to Mechanical Forces

In animal cells, the extracellular matrix allows cells within tissues to withstand external stresses and transmits signals from the outside of the cell to the inside. The extracellular matrix is extensive, and its composition varies between different types of tissues. For example, the reticular fibers and ground substance make up the ECM in loose connective tissue, while collagen and bone minerals make up the ECM of bone tissue. 
Anchoring junctions mechanically attach a cell to the...
Cytotoxic T Cells-mediated Immune Response01:27

Cytotoxic T Cells-mediated Immune Response

Cytotoxic T cells are a vital component of the immune system. They have the remarkable ability to identify and target antigens on infected or abnormal cells. These antigens often originate from intracellular pathogens such as viruses or abnormal proteins cancer cells produce.
Immunological surveillance is the ability of immune cells to monitor and eliminate infected cells with intracellular pathogens, neoplastically transformed cells, and cells with non-self antigens. Cytotoxic T cells and NK...
Mechanical Protein Functions01:58

Mechanical Protein Functions

Proteins perform many mechanical functions in a cell. These proteins can be classified into two general categories- proteins that generate mechanical forces and proteins that are subjected to mechanical forces. Proteins providing mechanical support to the structure of the cell, such as keratin, are subjected to mechanical force, whereas proteins involved in cell movement and transport of molecules across cell membranes, such as an ion pump, are examples of generating mechanical force. 
T Cell Types and Functions01:24

T Cell Types and Functions

When T cells with CD4 markers are activated, they give rise to two types of effector cells: helper T cells and regulatory T cells. Meanwhile, T cells with CD8 markers differentiate into effector cytotoxic T cells. The differentiation of CD4 T cells into helper T cell subsets, such as Th1, Th2, and Th17 cells, is dependent on the antigen type, antigen-presenting cell, and regulatory cytokines.
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
Tension Response at Adherens Junctions01:26

Tension Response at Adherens Junctions

The adherens junctions that anchor cells together are multi-protein complexes that dynamically adapt to mechanical stimuli such as tensile forces and shear stress. Mechanosensory proteins in these junctions can sense such mechanical stimuli and undergo a shift in their conformation, resulting in an altered function — a process called mechanotransduction.
α-Catenin as a Mechanosensory Protein
The α-catenin of adherens junctions is an allosteric protein with three VH (vinculin homology) domains...

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DNA Tension Probes to Map the Transient Piconewton Receptor Forces by Immune Cells
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Published on: March 20, 2021

T-cell mechanobiology: How molecular forces shape immune function.

Judith Zubia-Aranburu1, Lingxiao Zhang1, Mingdong Dong1

  • 1Interdisciplinary Nanoscience Center (iNANO), Aarhus University , Aarhus, Denmark.

The Journal of Cell Biology
|May 21, 2026
PubMed
Summary
This summary is machine-generated.

T cells sense and respond to mechanical forces, which are crucial for adaptive immunity. Understanding T-cell mechanobiology can improve immunotherapies for diseases like cancer and autoimmune conditions.

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Last Updated: May 22, 2026

DNA Tension Probes to Map the Transient Piconewton Receptor Forces by Immune Cells
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Published on: March 20, 2021

Traction Force Microscopy to Study B Lymphocyte Activation
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Area of Science:

  • Immunology
  • Biophysics
  • Cell Biology

Background:

  • T cells are vital for adaptive immunity, constantly interacting with mechanical forces in their environment.
  • Physical properties like stiffness and ligand arrangement significantly influence T-cell behavior and activation.
  • Disrupted mechanical interactions in T cells are linked to diseases such as cancer and autoimmune disorders.

Purpose of the Study:

  • To review emerging concepts in T-cell mechanobiology.
  • To highlight the role of mechanical forces in T-cell function and regulation.
  • To outline challenges and future directions for integrating biophysical principles into immunotherapy.

Main Methods:

  • This review synthesizes current research in T-cell mechanobiology.
  • It discusses the impact of environmental physical properties on T-cell responses.
  • It examines the role of force transmission through cellular components like the T-cell receptor.

Main Results:

  • T-cell activation is regulated by both biochemical signals and mechanical forces.
  • Mechanosensitive ion channels and the cytoskeleton are key mediators of T-cell mechanical responses.
  • Impaired T-cell mechanical interactions contribute to disease pathogenesis.

Conclusions:

  • Further understanding of T-cell mechanobiology is needed, particularly in measuring forces accurately.
  • Incorporating biophysical insights into immunotherapy design may enhance treatment outcomes.
  • Integrating mechanical and biochemical regulation is key for advancing adaptive immunity research.