Defining in vivo dendritic cell functions using CD11c-DTR transgenic mice
1Department of Immunology, The Weizmann Institute of Science, Rehovot, Israel.
Insights
Researchers developed a new method to study dendritic cells (immune cells) in the body. This technique allows for targeted removal of these cells to better understand their role in complex immune responses.
Area of Science:
- Immunology
- Cell Biology
Background:
- Dendritic cells are crucial for multi-cellular immune interactions like homeostasis, stimulation, and tolerization.
- Understanding dendritic cell function requires studying them within their physiological context.
Purpose of the Study:
- To develop and present a conditional cell ablation strategy for investigating dendritic cell functions.
- To establish a prototypic model for dendritic cell-restricted Diphtheria Toxin receptor (DTR) expression.
Main Methods:
- Utilized a conditional cell ablation strategy.
- Implemented dendritic cell-restricted expression of Diphtheria Toxin receptor (DTR) via the CD11c/Itgax promoter.
- Provided basic protocols for using this dendritic cell ablation model.
Main Results:
- Successfully developed a conditional cell ablation model for dendritic cells.
- Demonstrated the utility of the CD11c/Itgax promoter for DTR expression in dendritic cells.
- Highlighted the strengths and potential pitfalls of this experimental approach.
Conclusions:
- The developed dendritic cell ablation model provides a valuable tool for studying immune cell functions in vivo.
- This approach facilitates the investigation of dendritic cell roles in complex physiological processes.
- The provided protocols enable researchers to effectively utilize this model while being aware of its limitations.
Abstract:
The study of dendritic cell involvement in complex phenomena that rely on multi-cellular interactions, such as immune homeostasis, stimulation, and tolerization, called for the investigation of dendritic cell functions within physiological context. To this end we have developed a conditional cell ablation strategy that is based on dendritic cell-restricted expression of a Diphtheria Toxin receptor (DTR) using the CD11c/Itgax promoter. Here, we provide basic protocols that describe the use of this prototypic dendritic cell ablation model and highlight pitfalls and strengths of the approach.
