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Related Concept Videos

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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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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EPS and iPS Cells in Disease Research01:21

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Embryonic and induced pluripotent stem cells are excellent models for disease research because of their ability to self-renew and differentiate into most cell types. Somatic cells from a patient are isolated and reprogrammed into induced pluripotent stem cells or iPSCs. These iPSCs are later differentiated into the desired cell type, which mirrors the diseased cell of the patient. In this way, disease models have been created for investigating diseases such as Down syndrome, type I diabetes,...
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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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Micro-Engineered Models of Development Using Induced Pluripotent Stem Cells.

Pallavi Srivastava1,2, Kristopher A Kilian2

  • 1School of Medical Sciences, University of New South Wales, Sydney, NSW, Australia.

Frontiers in Bioengineering and Biotechnology
|December 19, 2019
PubMed
Summary
This summary is machine-generated.

This review explores how micro-engineered materials guide embryonic cell fate decisions. Physical and geometric cues on these platforms reveal insights into early development and disease modeling.

Keywords:
biomaterialsdevelopmentgastrulation modelsiPS cellsmicropatterningmorphogenesis

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Area of Science:

  • Developmental Biology
  • Stem Cell Biology
  • Biomaterials Engineering

Background:

  • Embryonic development involves complex cell lineage choices driven by the 3D environment.
  • Mechanical and geometric cues are critical for symmetry breaking and germ layer formation.
  • Studying intact human embryos is limited, necessitating advanced in vitro models.

Purpose of the Study:

  • To review the role of micro-engineered platforms in understanding cell fate determination.
  • To explore how physical and geometric cues influence developmental pathways.
  • To highlight applications in regenerative medicine and disease modeling.

Main Methods:

  • Review of studies utilizing micro-engineered cell culture materials.
  • Analysis of how these platforms recapitulate early embryonic milestones.
  • Investigation of signaling pathways affected by engineered environments.

Main Results:

  • Micro-engineered materials effectively mimic the spatiotemporal 3D environment of early embryos.
  • Physical and geometric cues on these platforms are shown to direct cell differentiation and orientation.
  • Induced pluripotent stem cells are valuable in these developmental models.

Conclusions:

  • Micro-engineered platforms are powerful tools for dissecting cell fate decisions in vitro.
  • Understanding these physical cues has broad biomedical applications, including tissue engineering and organoid development.
  • This approach advances the study of developmental biology and disease modeling.