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Establishment of an Embryo Implantation Model In Vitro
Published on: June 21, 2024
In vitro fertilization of mouse eggs
1Neuropeptide Laboratory, Institute of Molecular and Cell Biology, National University of Singapore, Republic of Singapore.
Methods in Molecular Biology (Clifton, N.J.)
|March 11, 2011
Summary
Transgenic animal lines can be maintained using in vitro fertilization (IVF) when natural reproduction fails. This method involves superovulating females and using sperm from males to fertilize eggs for transfer to surrogate mothers.
Area of Science:
- Animal Science
- Reproductive Biology
- Biotechnology
Background:
- Transgenic animal lines are crucial for research but can face reproductive challenges, including infertility.
- Maintaining genetic lines requires reliable methods for propagation when natural mating or litter rearing is unsuccessful.
Purpose of the Study:
- To describe a detailed protocol for in vitro fertilization (IVF) in transgenic animals.
- To ensure the continuity of transgenic animal lines that exhibit infertility.
Main Methods:
- Superovulation of female animals.
- Sperm collection from the epididymis of male animals.
- In vitro fertilization of collected eggs and transfer to pseudopregnant recipient mothers.
Main Results:
- The protocol provides a viable method for producing offspring from infertile transgenic animals.
- Successful IVF and transfer depend on using appropriate mouse strains (e.g., C57BL/6J × CBA/J F1 hybrids) and age-matched animals.
Conclusions:
- In vitro fertilization is an essential technique for preserving transgenic animal lines with reproductive defects.
- The described IVF protocol offers a standardized approach for researchers working with transgenic models.
