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Related Concept Videos

Somatic to iPS Cell Reprogramming01:29

Somatic to iPS Cell Reprogramming

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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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Methods of Nuclear Reprogramming01:24

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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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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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iPS Cell Differentiation01:22

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The ability of induced pluripotent stem cells or iPSCs to differentiate into most body cell types has stimulated repair and regenerative medicine research over the past few decades. iPSC-derived blood cells, hepatocytes, beta islet cells, cardiomyocytes, neurons, and other cell types can repair injuries or regenerate damaged tissue in diseases such as diabetes and neurodegenerative disorders.
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Stem Cell Culture01:17

Stem Cell Culture

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Stem cell research aims to find ways to use stem cells to regenerate and repair cellular damage. Over time, most adult cells undergo the wear and tear of aging and lose their ability to divide and repair themselves. Stem cells do not display a particular morphology or function. Adult stem cells, which exist as a small subset of cells in most tissues, keep dividing and can differentiate into a number of specialized cells generally formed by that tissue. These cells enable the body to renew and...
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Induced Pluripotent Stem Cells01:13

Induced Pluripotent Stem Cells

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Stem cells are undifferentiated cells that divide and produce different types of cells. Ordinarily, cells that have differentiated into a specific cell type are post-mitotic—that is, they no longer divide. However, scientists have found a way to reprogram these mature cells so that they “de-differentiate” and return to an unspecialized, proliferative state. These cells are also pluripotent like embryonic stem cells—able to produce all cell types—and are therefore...
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Updated: Feb 22, 2026

A Two-Step Strategy that Combines Epigenetic Modification and Biomechanical Cues to Generate Mammalian Pluripotent Cells
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A biomaterial approach to cell reprogramming and differentiation.

Joseph Long1,2, Hyejin Kim3, Dajeong Kim3

  • 1Department of Bioengineering, University of Washington, Seattle WA, 98195, USA.

Journal of Materials Chemistry. B
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Biomaterials enhance cell reprogramming for regenerative medicine, offering safer alternatives to viral vectors. These methods improve efficiency and applicability for various medical uses.

Keywords:
biomaterialsbiophysical cuescell reprogrammingnon-viral delivery

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Area of Science:

  • Biomaterials science and regenerative medicine.

Background:

  • Cell reprogramming is crucial for regenerative medicine, enabling the generation of specific cell types from somatic cells.
  • Current viral vector methods for cell reprogramming face challenges with efficiency and safety.

Purpose of the Study:

  • To review biomaterial-based strategies for cell reprogramming.
  • To explore how biomaterials can improve viral reprogramming methods or offer safer, non-viral alternatives.

Main Methods:

  • Discussion of biomaterial applications in cell reprogramming.
  • Review of non-viral delivery systems including electroporation, micro/nanoparticles, and nucleic acids.
  • Analysis of substrate properties like topography and stiffness in modulating cell reprogramming.

Main Results:

  • Biomaterial methods show promise in increasing the viability and applicability of viral reprogramming.
  • Non-viral delivery systems and substrate modulation offer safer and effective approaches to cell reprogramming.
  • Valuable insights into cell reprogramming mechanisms have been gained through these biomaterial strategies.

Conclusions:

  • Biomaterials represent a significant advancement in cell reprogramming technologies.
  • These methods hold great potential for improving regenerative medicine and other therapeutic applications.
  • Further research into biomaterial-based cell reprogramming is warranted for clinical translation.