简介：
Overview
This article presents a protocol for promoting transgene integration and producing founder transgenic mice with high efficacy through a simple injection of a lentiviral vector into the perivitelline space of fertilized oocytes. This method enables rapid in vivo screening of transgene effects in mice.
Key Study Components
Area of Science
- Transgenic mouse models
- Gene integration techniques
- In vivo screening methods
Background
- Transgenic animals are valuable for studying gene function.
- High efficacy in producing transgenic mice is crucial for research.
- Traditional methods can be time-consuming and less effective.
- This protocol aims to streamline the process.
Purpose of Study
- To enhance the efficiency of transgene integration.
- To facilitate gain or loss of function studies.
- To enable DNA motive mapping in transgenic mice.
Methods Used
- Injection of lentiviral vectors into the perivitelline space.
- Collection of oviducts post-euthanasia for analysis.
- Surgical techniques for accessing oviducts.
- Screening for transgene expression in newborns.
Main Results
- Over 70% of newborns showed successful transgene integration.
- The method is applicable to various mouse strains.
- Facilitates rapid screening of transgene effects.
- Supports both gain and loss of function studies.
Conclusions
- This protocol significantly improves the production of transgenic mice.
- It offers a reliable method for in vivo studies of gene function.
- The technique can be adapted for various research applications.
What is the main advantage of this protocol?
The main advantage is the high efficacy of transgene integration, with over 70% success in newborns.
Can this method be applied to any mouse strain?
Yes, it can be applied to any mouse strain, including existing transgenic animals.
What are the key steps in the surgical procedure?
Key steps include making an incision in the abdominal cavity and carefully removing the oviducts.
How does this method facilitate gene function studies?
It allows for rapid in vivo screening of transgene effects, enabling gain or loss of function studies.
What is the significance of using lentiviral vectors?
Lentiviral vectors are effective for stable transgene integration in the host genome.
What outcomes can be expected from this protocol?
Researchers can expect high rates of successful transgenic offspring and efficient gene function analysis.
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