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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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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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Overview of Regeneration and Repair01:19

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Regeneration and repair processes are critical in healing damages caused by injury, disease, and aging. In regeneration, the damaged tissue is entirely replaced with new growth that restores the original architecture and function. In contrast, tissue repair usually results in a fixed tissue architecture involving scar formation. Scars generally do not reestablish tissue function and may also exhibit structural abnormalities at the injury site.
Regeneration
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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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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.
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Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
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Related Experiment Video

Updated: Jun 29, 2025

Primary Cell Cultures to Study the Regeneration Potential of Murine Müller Glia after MicroRNA Treatment
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Manipulating Myc for reparative regeneration.

Camilla Ascanelli1, Rowda Dahir1, Catherine H Wilson1

  • 1Department of Pharmacology, University of Cambridge, Cambridge, United Kingdom.

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Myc, a key gene family, drives regeneration across species. Understanding its role could unlock therapeutic regeneration in humans, balancing growth promotion with cancer prevention for disease treatment.

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Area of Science:

  • Molecular Biology
  • Developmental Biology
  • Regenerative Medicine

Background:

  • The Myc family of proto-oncogenes is crucial for translating external growth signals into cellular processes.
  • Tight regulation of Myc is essential to prevent its oncogenic potential.
  • Myc plays a fundamental role in development, tissue maintenance, and regeneration.

Purpose of the Study:

  • To review the role of Myc in regeneration across the animal kingdom.
  • To explore the potential therapeutic applications of Myc in human regenerative medicine.
  • To discuss harnessing Myc's transcriptional abilities while avoiding oncogenesis.

Main Methods:

  • Review of existing literature on Myc and regeneration.
  • Comparative analysis of Myc's function in diverse animal phyla.
  • Discussion of potential therapeutic strategies.

Main Results:

  • Myc is a conserved regulator of regeneration from simple invertebrates to vertebrates.
  • Myc's function in regeneration is linked to its role in cell proliferation and differentiation.
  • The balance of Myc activity is critical for successful regeneration without uncontrolled growth.

Conclusions:

  • Myc is a central player in animal regeneration, offering a promising target for therapeutic development.
  • Manipulating Myc could unlock regenerative potential in non-regenerative human tissues.
  • Careful control of Myc's pro-transcriptional activity is key to developing new disease treatments.