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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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Somatic to iPS Cell Reprogramming01:29

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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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Chromatin Modification in iPS Cells01:32

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Chromatin modification alters gene expression; therefore, scientists can add histone-modifying enzymes, histone variants, and chromatin remodeling complexes to somatic cells to aid reprogramming into pluripotent stem (iPS) cells.
Compact chromatin makes reprogramming difficult. Enzymes, such as histone demethylases and acetyltransferases, are often added during reprogramming to loosen the chromatin, making the DNA more accessible to transcription factors. Molecules that inhibit histone...
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Related Experiment Video

Updated: Apr 7, 2026

Isolation of Adult Human Dermal Fibroblasts from Abdominal Skin and Generation of Induced Pluripotent Stem Cells Using a Non-Integrating Method
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Isolation of Adult Human Dermal Fibroblasts from Abdominal Skin and Generation of Induced Pluripotent Stem Cells Using a Non-Integrating Method

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A Cell Electrofusion Chip for Somatic Cells Reprogramming.

Wei Wu1, Ya Qu1, Ning Hu2

  • 1Southwest Eye Hospital, Southwest Hospital, Third Military Medical University, Chongqing, P.R. China; Key Lab of Visual Damage and Regeneration & Restoration of Chongqing, Chongqing, P.R. China.

Plos One
|July 16, 2015
PubMed
Summary
This summary is machine-generated.

Researchers developed a simplified electrofusion chip to improve cell fusion efficiency for somatic cell reprogramming. This new method enhances reprogramming research by increasing fusion success and reducing experimental workload.

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Cell Electrofusion Visualized with Fluorescence Microscopy
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Area of Science:

  • Biotechnology
  • Cell Biology
  • Reproductive Biology

Background:

  • Cell fusion is crucial for studying somatic cell reprogramming.
  • Traditional methods like polyethylene glycol (PEG) mediated fusion have low yields.
  • Efficient cell fusion is needed to advance reprogramming research.

Purpose of the Study:

  • To develop a simplified and efficient cell electrofusion chip.
  • To improve fusion efficiency and reduce multi-cell fusions.
  • To facilitate the study of somatic cell reprogramming mechanisms.

Main Methods:

  • A simplified cell electrofusion chip with a micro-cavity/discrete microelectrode structure was designed.
  • The chip was used to fuse NIH3T3 cells and mouse embryonic stem cells (mESCs).
  • Demethylation patterns and the role of 5-hydroxymethylcytosine (5hmC) in reprogramming were analyzed.

Main Results:

  • The electrofusion chip significantly improved fusion efficiency compared to previous methods.
  • The chip reduced instances of multi-cell electrofusion.
  • Fused cells exhibited gradual demethylation, with 5hmC playing a role in reprogramming.

Conclusions:

  • The developed cell electrofusion chip offers a more efficient and simplified approach for cell fusion.
  • This technology can accelerate research into the mechanisms of somatic cell reprogramming.
  • The findings provide insights into the epigenetic modifications during reprogramming.