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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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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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Embryonic stem (ES) cells are undifferentiated pluripotent cells, meaning they can produce any cell type in the body. This gives them tremendous potential in science and medicine since they can generate specific cell types for use in research or to replace body cells lost due to damage or disease.
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Human stem cell models to study placode development, function and pathology.

Eleonora Conti1, Oliver Harschnitz1

  • 1Neurogenomics Research Centre, Human Technopole, Viale Rita Levi-Montalcini, 1, 20157 Milan, Italy.

Development (Cambridge, England)
|August 30, 2022
PubMed
Summary
This summary is machine-generated.

Human pluripotent stem cells offer a scalable model to study embryonic placode development. This approach helps uncover human-specific mechanisms in placode formation, function, and disease.

Keywords:
Developmental neurobiologyDisease modellingPlacodeStem cellshPSCs

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Area of Science:

  • Developmental biology
  • Stem cell biology
  • Human embryology

Background:

  • Placodes are crucial embryonic structures derived from rostral ectoderm.
  • They form diverse tissues like the anterior pituitary and cranial sensory ganglia.
  • Placode development is largely studied in animal models.

Purpose of the Study:

  • To review the recapitulation of human placode development using pluripotent stem cells.
  • To highlight the utility of stem cells as an in vitro model.
  • To identify human-specific developmental, functional, and pathological mechanisms.

Main Methods:

  • Differentiation of human pluripotent stem cells into placode progenitors and derivatives.
  • Utilizing these cells as a scalable in vitro platform.
  • Comparative analysis with existing animal model data.

Main Results:

  • Human pluripotent stem cell differentiation effectively models placode development.
  • This platform allows for scalable study of human placode progenitors.
  • Potential to uncover human-specific developmental pathways and disease mechanisms.

Conclusions:

  • Human pluripotent stem cells provide a valuable in vitro system for studying placode development.
  • This model facilitates the identification of human-specific mechanisms in placode formation and pathology.
  • Enables deeper understanding of congenital disorders affecting placode-derived structures.