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Cytotoxic T Cells-mediated Immune Response

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...

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

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Characterization of Cytotoxic T Lymphocytes (CTL) by Tissue Microarray.

Giuseppe Stefano Netti¹, Monica Rutigliano², Chiara Divella³

¹Clinical Pathology Unit and Center of Molecular Medicine, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy. giuseppestefano.netti@unifg.it.

Methods in Molecular Biology (Clifton, N.J.)

|May 30, 2021

Summary

Tissue microarray (TMA) technology enables high-throughput pathology research by analyzing multiple tissues on one slide, reducing costs and time. It enhances the detection and characterization of cytotoxic T lymphocytes (CTL) using immunohistochemistry (IHC).

Keywords:

Immunofluorescence Immunohistochemistry Paraffin-embedded tissue Tissue microarray

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A Next-generation Tissue Microarray ngTMA Protocol for Biomarker Studies

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Published on: September 23, 2014

Area of Science:

Pathology research
Biotechnology
Immunology

Background:

Tissue microarray (TMA) is an innovative technique for high-throughput pathology analysis.
It enables simultaneous examination of numerous tissue samples on a single slide, optimizing efficiency and cost.
TMA technology can enhance conventional methods for detecting cytotoxic T lymphocytes (CTL).

Purpose of the Study:

To summarize the technical aspects of tissue microarray construction and sectioning.
To outline the advantages, applications, and limitations of using immunohistochemistry (IHC) and immunofluorescence with TMAs.
To highlight the utility of TMA in CTL characterization.

Main Methods:

Tissue microarray construction and sectioning techniques are detailed.
Immunohistochemistry (IHC) and immunofluorescence methods for antigen localization are described.
The use of specific antibodies conjugated to fluorescent or enzymatic labels is explained.

Main Results:

TMA facilitates faster analysis and reduced staining costs in pathology.
IHC and immunofluorescence effectively identify and characterize CTLs by visualizing antigen location and distribution.
The combined use of TMA with IHC/immunofluorescence offers a powerful approach for detailed tissue analysis.

Conclusions:

Tissue microarray technology offers significant advantages for high-throughput pathology research.
IHC and immunofluorescence are valuable tools for CTL characterization within TMAs.
This integrated approach improves the efficiency and accuracy of microscopic tissue analysis.