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Related Concept Videos

Embryonic Stem Cells00:58

Embryonic Stem Cells

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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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Embryonic Stem Cells00:57

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Embryonic stem (ES) cells were first discovered in mice in 1981 by Martin Evans. In 1998, James Thomson identified a method to isolate embryonic stem cells from humans. Human embryonic stem cells (hESCs) are obtained from 3-5 day old embryos that remain unused after an in vitro fertilization procedure.
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The cells of the blastocyst inner cell mass only remain pluripotent for a short time. This state of pluripotency and self-renewal can be maintained in embryonic stem (ES) cell culture by adding specific chemicals or growth factors to ensure the cells can continue dividing and later differentiate into different cell types. In some cases, the cells are grown on a feeder layer of differentiated cells, which provides the growth factors and extracellular matrix components necessary for stem cell...
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Updated: Apr 15, 2026

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Beyond integration: towards benchmarks for developmental potential in human stem cell-derived embryo models.

Dorian G Luijkx1, Leila Ashtar1, Nienke de Graeff2,3

  • 1Department for Cell Biology-Inspired Tissue Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, The Netherlands.

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Summary
This summary is machine-generated.

Assessing developmental potential in stem cell-based embryo models (SCBEMs) is challenging due to varied interpretations. This review clarifies criteria for SCBEM governance and scientific evaluation, promoting responsible research.

Keywords:
benchmarksdevelopmental potentialethicsgovernancehuman stem cell-based embryo modelsintegrationscience

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Area of Science:

  • Developmental Biology
  • Stem Cell Research
  • Bioethics

Background:

  • Stem cell-based embryo models (SCBEMs) mimic early human embryos, offering alternatives to animal and human embryo research.
  • Various SCBEM types exist (gastruloids, blastoids), but assessing their developmental potential is complex.
  • Ethical constraints prevent direct functional testing of SCBEMs' developmental potential in vivo.

Purpose of the Study:

  • To clarify conceptualizations of developmental potential in SCBEMs.
  • To synthesize insights from governance, science, and ethics for SCBEM assessment.
  • To examine how governance frameworks and scientific markers define developmental potential.

Main Methods:

  • Narrative review of academic and grey literature on embryo models since 2015.
  • Searched PubMed and Biorxiv using keywords related to embryo quality, potentiality, and SCBEM types.
  • Included analysis of governance reports and scientific literature on SCBEMs.

Main Results:

  • Governance criteria for SCBEMs include composition, organization, and interaction.
  • Scientific assessment of developmental potential is multifaceted and requires broader measures.
  • Interpretations of developmental potential (possibility, probability, predisposition) influence assessment.

Conclusions:

  • Current regulatory and scientific criteria for SCBEM developmental potential are based on distinct conceptual interpretations.
  • Understanding these underlying interpretations is crucial for addressing tensions and guiding future research.
  • This review supports responsible advancement and transparent governance of SCBEMs.