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Related Experiment Videos

Protocols for nuclear transfer in mice.

Shaorong Gao1

  • 1Fels Institute for Cancer Research and Molecular Biology, Temple University School of Medicine, Philadelphia, PA, USA.

Methods in Molecular Biology (Clifton, N.J.)
|June 10, 2006
PubMed
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Mammalian cloning utilizes nuclear transfer, where an oocyte reprograms cell nuclei. Mouse cloning since 1998 employs direct nuclear injection, differing from large animal methods.

Area of Science:

  • Reproductive biology
  • Developmental biology
  • Mammalian cloning

Background:

  • Nuclear transfer in mammals demonstrates oocyte reprogramming capabilities.
  • Mammalian cloning techniques vary between species.

Purpose of the Study:

  • To summarize the mouse cloning method used since 1998.
  • To highlight differences between mouse and large animal cloning procedures.

Main Methods:

  • Direct injection of nuclei into enucleated oocytes using a Piezo-drill micromanipulator for mouse cloning.
  • Contrast with electrofusion methods used for large animal cloning.
  • Embryo development to morulae/blastocyst stage followed by transfer to surrogate mothers.

Main Results:

Related Experiment Videos

  • Successful application of Piezo-drill micromanipulator for mouse nuclear transfer.
  • Established protocol for mouse cloning since 1998.

Conclusions:

  • The Piezo-drill method offers an alternative to electrofusion for mammalian nuclear transfer.
  • Oocyte reprogramming is crucial for successful cloning outcomes.