Transfert adoptif de macrophages stimulés par l’IL-33 dans des modèles murins induits par la bléomycine pour étudier leur effet sur la fibrose pulmonaire idiopathique in vivo

Overview

This protocol describes the isolation of pulmonary interstitial macrophages (IMs) and their adoptive transfer after IL-33 stimulation in a mouse model. This technique facilitates the in vivo study of idiopathic pulmonary fibrosis (IPF).

Key Study Components

Area of Science

• Neuroscience
• Immunology
• Pulmonary Biology

Background

• Idiopathic pulmonary fibrosis (IPF) is a progressive lung disease.
• Macrophages play a crucial role in lung inflammation and fibrosis.
• IL-33 is a cytokine involved in immune responses in the lung.
• Understanding macrophage function can provide insights into IPF mechanisms.

Purpose of Study

• To isolate pulmonary interstitial macrophages (IMs) from mouse lungs.
• To investigate the effects of IL-33 on macrophage behavior.
• To facilitate in vivo studies of IPF using a mouse model.

Methods Used

• Isolation of pulmonary interstitial macrophages (IMs).
• Adoptive transfer of IMs after IL-33 stimulation.
• Administration of clodronate liposomes to deplete macrophages.
• Use of anesthetized mice for nasal administration of treatments.

Main Results

• Successful isolation of IMs from mouse lungs.
• Demonstrated effects of IL-33 on macrophage function.
• Provided a method for studying IPF in vivo.
• Highlighted the role of macrophages in lung pathology.

Conclusions

• The protocol allows for the study of macrophage dynamics in IPF.
• IL-33 stimulation can enhance understanding of macrophage roles.
• This method can be applied to further research in pulmonary diseases.

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