简介：
Overview
This article presents a novel method for generating double humanized BLT-mice with a functional human immune system and a stable human-like gut microbiome. The protocol allows for reproducible creation of these mice without the need for germ-free conditions.
Key Study Components
Area of Science
- Neuroscience
- Immunology
- Microbiome Research
Background
- Double humanized mice are essential for studying human immune responses.
- They provide insights into the interactions between the human gut microbiome and immune system.
- Traditional methods require germ-free or gnotobiotic facilities.
- This new method simplifies the process of creating these models.
Purpose of Study
- To develop a reliable protocol for generating double humanized mice.
- To facilitate research on the human gut microbiome and immune system interactions.
- To enhance the applicability of mouse models in biomedical research.
Methods Used
- Implantation of human liver and thymus tissues into the mouse kidney capsule.
- Whole body sublethal irradiation of mice prior to surgery.
- Monitoring of engraftment and functionality of human tissues.
- Assessment of gut microbiome stability post-implantation.
Main Results
- Successful engraftment of human immune system components in mice.
- Establishment of a stable human-like gut microbiome.
- Demonstration of the model's utility in studying human biology.
- Potential applications in both basic and translational research.
Conclusions
- The protocol provides a new avenue for creating double humanized mice.
- This model can significantly advance research on human microbiome and immune interactions.
- Future studies can leverage this model for various biomedical applications.
What are double humanized mice?
Double humanized mice are genetically engineered mice that possess both a functional human immune system and a human-like gut microbiome.
Why is this research important?
It allows researchers to study the complex interactions between the human immune system and gut microbiome in a living organism.
What are the applications of this model?
This model can be used for basic research as well as translational studies in immunology and microbiome research.
Do you need special facilities to create these mice?
No, this protocol does not require germ-free mice or gnotobiotic facilities.
Who conducted this research?
The research was conducted by Jianshui Zhang and Yilun Chang from the laboratory.
What is the significance of using whole body sublethal irradiation?
Whole body sublethal irradiation is used to prepare the mice for the implantation of human tissues, ensuring better engraftment.
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