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Related Concept Videos

Methods of Nuclear Reprogramming01:24

Methods of Nuclear Reprogramming

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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...
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Determination01:51

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During embryogenesis, cells become progressively committed to different fates through a two-step process: specification followed by determination. Specification is demonstrated by removing a segment of an early embryo, “neutrally” culturing the tissue in vitro—for example, in a petri dish with simple medium—and then observing the derivatives. If the cultured region gives rise to cell types that it would normally generate in the embryo, this means that it is specified. In...
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Reprogramming alters the gene expression in somatic cells, transforming them into induced pluripotent stem (iPS) cells over several generations. Scientists can reprogram cells by introducing genes for four transcription factors—Oct4, Sox2, Klf4, and c-Myc (OSKM) by viral or non-viral methods. These factors are also known as Yamanaka factors after Shinya Yamanaka, who first generated iPS cells using mouse skin cells. Yamanaka was awarded the Nobel Prize in Physiology or Medicine in 2012...
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Introduction to Nuclear Reprogramming01:14

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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: Dec 19, 2025

Application of RNAi and Heat-shock-induced Transcription Factor Expression to Reprogram Germ Cells to Neurons in C. elegans
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Transcription Factor-Based Fate Specification and Forward Programming for Neural Regeneration.

Lea J Flitsch1, Karen E Laupman1, Oliver Brüstle1

  • 1Institute of Reconstructive Neurobiology, Life & Brain Center, University of Bonn Medical Faculty and University Hospital Bonn, Bonn, Germany.

Frontiers in Cellular Neuroscience
|June 9, 2020
PubMed
Summary

Transcription factors offer a novel method for engineering cells for brain repair, moving beyond traditional growth factors. This approach shows promise for generating specific neural subtypes for therapeutic applications.

Keywords:
biomedical applicationbrain repairdirect cell fate conversionforward programmingtranscription factor-driven differentiationtranslationtransplantation

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Area of Science:

  • Neuroscience
  • Stem Cell Biology
  • Regenerative Medicine

Background:

  • Traditional brain repair methods rely on extrinsic growth factors and morphogens.
  • Cell engineering strategies like reprogramming and direct conversion offer new ways to manipulate cell identity.
  • Overexpression of transcription factors is a key mechanism in these advanced cell engineering techniques.

Purpose of the Study:

  • To review achievements in transcription factor-based cell fate specification.
  • To discuss the advantages and disadvantages of these methods.
  • To explore the potential for generating donor cells for brain repair.

Main Methods:

  • Review of recent advances in cell engineering strategies.
  • Analysis of transcription factor-guided differentiation of neural precursors.
  • Evaluation of forward programming of pluripotent stem cells.

Main Results:

  • Transcription factor-based strategies enable precise control over cell identity.
  • These methods are increasingly used for neural precursor differentiation and pluripotent stem cell programming.
  • Significant progress has been made in generating specific neural subtypes.

Conclusions:

  • Transcription factor-based cell fate specification is a powerful tool for brain repair.
  • These approaches offer a promising alternative to traditional methods for generating donor cells.
  • Future prospects include further refinement and clinical application for neurological disorders.