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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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Induced Pluripotent Stem Cells01:06

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Stem cells are undifferentiated cells that divide and produce different cell types. Ordinarily, cells that have differentiated into a specific cell type are terminally differentiated; however, scientists have found a way to reprogram these mature cells so that they dedifferentiate and return to an unspecialized, proliferative state. These cells are pluripotent like embryonic stem cells—able to produce all cell types—and are called induced pluripotent stem cells (iPSCs).
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Related Experiment Video

Updated: Oct 29, 2025

Assessing Cardiomyocyte Subtypes Following Transcription Factor-mediated Reprogramming of Mouse Embryonic Fibroblasts
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Non-viral approaches for somatic cell reprogramming into cardiomyocytes.

Wei Zhou1, Tianhua Ma1, Sheng Ding2

  • 1School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China.

Seminars in Cell & Developmental Biology
|July 9, 2021
PubMed
Summary

Non-viral methods offer safer cardiac reprogramming to generate new heart cells from fibroblasts. This approach holds promise for in-vivo heart regeneration and treating heart failure.

Keywords:
Cardiac reprogrammingCardiomyocyteHeart regenerationNon-viral approachesSmall molecule

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Assessing Cardiac Reprogramming using High Content Imaging Analysis
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Area of Science:

  • Regenerative Medicine
  • Cardiovascular Biology

Background:

  • Heart disease is a leading global cause of mortality.
  • Loss of cardiomyocytes after ischemic events leads to permanent damage and heart failure.
  • Adult hearts have limited capacity for cardiomyocyte regeneration.

Purpose of the Study:

  • To review recent advancements in non-viral cellular reprogramming for cardiomyocyte generation.
  • To discuss the therapeutic applications of these non-viral approaches in heart regeneration.

Main Methods:

  • Review of literature on non-viral strategies for direct cellular reprogramming.
  • Focus on reprogramming somatic cells, specifically cardiac fibroblasts, into cardiomyocytes.
  • Analysis of safety and efficacy of non-viral versus viral reprogramming methods.

Main Results:

  • Non-viral reprogramming bypasses risks associated with viral vectors, such as genome instability and oncogenesis.
  • Direct reprogramming of fibroblasts to cardiomyocytes is achievable without integrating foreign DNA.
  • Non-viral methods show potential for safer in-vivo therapeutic applications.

Conclusions:

  • Non-viral cellular reprogramming is a promising strategy for heart regeneration.
  • These methods offer a safer alternative to viral approaches for inducing cardiomyocytes.
  • Further development of non-viral techniques is crucial for clinical translation in treating heart failure.