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Related Concept Videos

Methods of Nuclear Reprogramming01:24

Methods of Nuclear Reprogramming

Nuclear reprogramming is a process of transforming one cell type into an unrelated cell type by epigenetic changes that alter the cell’s original gene expression pattern. Such epigenetic changes force cells to express a different set of genes, which play a significant role in inducing transformation into other cell types. Nuclear reprogramming offers applications in reproductive cloning for livestock propagation and regenerative medicine — developing patient-specific cells for injury repair.
Introduction to Nuclear Reprogramming01:14

Introduction to Nuclear Reprogramming

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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Procedures for somatic cell nuclear transfer in the rat.

Jean Cozzi1, Eryao Wang, Christelle Jacquet

  • 1genOway, SA, Lyon, France.

Methods in Molecular Biology (Clifton, N.J.)
|December 17, 2009
PubMed
Summary

Researchers optimized somatic cell nuclear transfer (SCNT) for rat cloning. This advancement overcomes rat oocyte-specific challenges, enabling SCNT for nuclear remodeling studies and potential gene editing in rats.

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Area of Science:

  • Reproductive biology
  • Developmental biology
  • Genetics

Background:

  • Somatic cell nuclear transfer (SCNT) is crucial for studying nuclear remodeling mechanisms.
  • SCNT offers potential for targeted gene modification via homologous recombination in species lacking embryonic stem cell technology.
  • Rat oocyte-specific characteristics have historically hindered SCNT development.

Purpose of the Study:

  • To detail optimized procedures for rat cloning using somatic cell nuclear transfer.
  • To overcome technical challenges associated with rat oocyte biology for successful SCNT.
  • To facilitate future research in nuclear remodeling and genetic manipulation in rats.

Main Methods:

  • Development and optimization of specific protocols for rat somatic cell nuclear transfer.
  • Addressing rat oocyte-specific technical impediments.
  • Years of procedural refinement for enhanced cloning efficiency.

Main Results:

  • Successful optimization of somatic cell nuclear transfer procedures in rats.
  • Established protocols overcoming previous limitations in rat cloning.
  • Demonstrated feasibility of SCNT in a species with unique oocyte features.

Conclusions:

  • The developed SCNT procedures represent a significant advancement for rat cloning.
  • These optimized methods pave the way for advanced research using SCNT in rats.
  • Rat cloning via SCNT is now more accessible for investigating nuclear remodeling and genetic engineering.