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T Cell Activation and Clonal Selection

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...

Cells of the Adaptive Immune Response

Cells of the Adaptive Immune Response

The T and B lymphocytes of the adaptive immune system develop from common lymphoid progenitor cells in the bone marrow. These progenitors give rise to precursors that eventually develop into both T and B lymphocytes. As these precursors mature, they gain the ability to detect and respond to foreign antigens in the body, a process known as immunocompetence. Additionally, these precursors acquire self-tolerance, a process that ensures they do not react to self-antigens. This intricate system...

Cell-mediated Immune Responses

Cell-mediated Immune Responses

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Related Experiment Video

Updated: Jun 24, 2025

Transduction and Expansion of Primary T Cells in Nine Days with Maintenance of Central Memory Phenotype

Transduction and Expansion of Primary T Cells in Nine Days with Maintenance of Central Memory Phenotype

Published on: March 18, 2020

A mobile home for T cells

Kewen Lei¹, Darrell J Irvine^2,3,4,5,6

¹Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA.

Nature Materials

|June 4, 2024

Summary

No abstract available in PubMed .

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