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Related Concept Videos

Reproductive Cloning01:27

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Reproductive cloning is the process of producing a genetically identical copy—a clone—of an entire organism. While clones can be produced by splitting an early embryo—similar to what happens naturally with identical twins—cloning of adult animals is usually done by a process called somatic cell nuclear transfer (SCNT).
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In SCNT, an egg cell is taken from an animal and its nucleus is removed, creating an enucleated egg. Then a somatic...
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The first successfully cloned mammal was Dolly, a sheep, born on 5th July 1996 at Roslin Institute, Scotland. The cloned sheep was named after the American singer Dolly Parton. Dolly lived for seven years and died of respiratory complications, which is speculated to be due to the actual age of her DNA. Because the DNA in cloned cells belongs to an older individual,  the cloned individual’s life expectancy may be affected. Indeed, analysis of Dolly’s DNA revealed shorter...
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Nuclear reprogramming is the process of switching gene expression of one cell type to that of another cell type, usually from a differentiated cell state to an undifferentiated cell state. Differentiation occurs during processes such as development and morphogenesis, tissue regeneration, and malignancy. Cells can also be artificially induced to reprogram their gene expression by techniques such as nuclear transfer, induced pluripotency, and cell fusion. Such techniques have many applications in...
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Related Experiment Video

Updated: Oct 3, 2025

Minimally Invasive Embryo Transfer and Embryo Vitrification at the Optimal Embryo Stage in Rabbit Model
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Current Progress and Prospects in Rabbit Cloning.

Wenbin Cao1, Jinpeng Zhao1, Pengxiang Qu1

  • 1Laboratory Animal Center, Xi'an Jiaotong University Health Science Center, Xi'an, China.

Cellular Reprogramming
|February 15, 2022
PubMed
Summary
This summary is machine-generated.

Somatic cell nuclear transfer (SCNT) in rabbits is hindered by low efficiency, likely due to abnormal cell reprogramming. This review explores challenges and advancements in rabbit cloning for research and conservation.

Keywords:
rabbitreprogrammingsomatic cell nuclear transfer

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Area of Science:

  • Developmental Biology
  • Reproductive Technologies
  • Animal Biotechnology

Background:

  • Somatic cell nuclear transfer (SCNT) is crucial for generating transgenic animals, conserving endangered species, and advancing stem cell therapies.
  • Combining SCNT with gene editing yields valuable genetically modified animals for life science and medical research.
  • Rabbits offer unique potential as transgenic bioreactors and models for human diseases.

Purpose of the Study:

  • To review the abnormal reprogramming of cloned mammalian embryos, with a focus on rabbits.
  • To evaluate the current progress and future prospects of somatic cell cloning in rabbits.
  • To identify the factors contributing to the low SCNT efficiency in rabbits.

Main Methods:

  • Literature review of studies on somatic cell nuclear transfer in mammals.
  • Analysis of research focusing on reprogramming efficiency in rabbit somatic cells.
  • Evaluation of advancements in gene editing and cloning techniques applicable to rabbits.

Main Results:

  • Low SCNT efficiency in rabbits is a significant barrier to their application in biotechnology and research.
  • Abnormal reprogramming of somatic cells is a primary cause of SCNT failure in rabbits.
  • Progress has been made in understanding and potentially overcoming reprogramming defects.

Conclusions:

  • Addressing abnormal reprogramming is essential to improve rabbit somatic cell cloning efficiency.
  • Enhanced rabbit cloning techniques will facilitate their use as transgenic bioreactors and disease models.
  • Further research is needed to fully realize the potential of rabbit SCNT for scientific and conservation purposes.