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Related Experiment Video

Updated: Jun 4, 2026

Generation of Orthotopic Pancreatic Tumors and Ex vivo Characterization of Tumor-Infiltrating T Cell Cytotoxicity

Generation of Orthotopic Pancreatic Tumors and Ex vivo Characterization of Tumor-Infiltrating T Cell Cytotoxicity

Published on: December 7, 2019

Proliferation of circulating T-cells.

M Larché¹

¹National Heart and Lung Institute, Imperial College School of Medicine, London, UK.

Methods in Molecular Medicine

|February 12, 2011

Summary

T-lymphocytes (T-cells) and B-lymphocytes form the adaptive immune system. T-cell activation by antigen triggers proliferation and the release of crucial immune factors like interleukin-2.

Area of Science:

Immunology
Molecular Biology

Background:

T-lymphocytes (T-cells) are key components of the adaptive immune system, alongside B-lymphocytes.
Both T-cells and B-cells generate diverse antigen receptors through gene segment recombination, creating a broad repertoire of specificities.

Purpose of the Study:

To elucidate the fundamental mechanisms of T-cell activation and its downstream consequences.
To highlight the role of T-cells in immune responses, including proliferation and mediator secretion.

Main Methods:

The study focuses on the general principles of lymphocyte activation and receptor function.
It references established knowledge regarding gene recombination and cellular signaling pathways.

Main Results:

Lymphocyte activation is initiated by the encounter with antigen (Ag), leading to cell surface Ag receptor aggregation.

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T-cell activation results in clonal expansion through proliferation and the secretion of soluble mediators, such as interleukin-2.

Conclusions:

T-cells play a critical role in the antigen-specific immune response.
Activation of T-cells leads to significant cellular proliferation and the production of important immune signaling molecules.