Isolation of Tonsillar Mononuclear Cells to Study Ex Vivo Innate Immune Responses in a Human Mucosal Lymphoid Tissue

作者： Nikaïa Smith1,2,3,4, Nassima Bekaddour2,3,4, Nicolas Leboulanger4,5, Yolande Richard*6, Jean-Philippe Herbeuval*2,3,4 1Institute of Molecular Virology,Ulm University Medical Center, 2CNRS UMR-8601,Centre Interdisciplinaire Chimie Biologie, 3Team Chemistry & Biology, Modeling & Immunology for Therapy,Université Paris Descartes, 4Université Paris Descartes, Sorbonne Paris Cité, 5Pediatric Otolaryngology Department,Hôpital Necker-Enfants Malades, Assistance Publique Hôpitaux de Paris, 6Université de Paris, Institut Cochin

简介：

Overview

This protocol outlines the isolation and culture of tonsillar mononuclear cells from healthy human subjects. The method facilitates the study of innate immune responses, particularly in the context of mucosal tissue activation.

Key Study Components

Area of Science

• Immunology
• Mucosal Immunity
• Cell Culture Techniques

Background

• Tonsillar mononuclear cells provide a more relevant model for studying immune responses than peripheral blood cells.
• These cells are crucial for understanding pathologies related to mucosal immunity.
• The isolation technique preserves cell integrity for subsequent ex vivo studies.
• Rapid handling of tonsillar tissue is essential for maximizing cell yield.

Purpose of Study

• To develop a straightforward method for isolating tonsillar mononuclear cells.
• To enable the study of immune responses mimicking viral infections.
• To enhance understanding of mucosal immune mechanisms.

Methods Used

• Transporting tonsillar tissue to the laboratory under specific conditions.
• Using a cell strainer for the isolation process.
• Maintaining sterility of dissection instruments.
• Ensuring rapid processing of the tissue to optimize cell recovery.

Main Results

• The established method yields a significant number of viable immune cells.
• Cells maintain their functional integrity for further studies.
• The protocol is efficient and reproducible.
• Insights gained can inform future research on mucosal immunity.

Conclusions

• This protocol provides a reliable approach for isolating tonsillar mononuclear cells.
• It supports research into innate immune responses in mucosal tissues.
• The method can be adapted for various experimental applications.

Frequently Asked Questions