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Related Concept Videos

Embryonic Stem Cells00:57

Embryonic Stem Cells

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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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Embryonic Stem Cells00:58

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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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Stem Cell Culture01:17

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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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Adult Stem Cells01:33

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Stem cells are undifferentiated cells that divide and produce more stem cells or progenitor cells that differentiate into mature, specialized cell types. All the cells in the body are generated from stem cells in the early embryo, but small populations of stem cells are also present in many adult tissues including the bone marrow, brain, skin, and gut. These adult stem cells typically produce the various cell types found in that tissue—to replace cells that are damaged or to continuously...
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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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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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Derivation of Human Embryonic Stem Cells by Immunosurgery
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Human Stem Cell-Based Embryo Model Research: Ethics and Regulations.

Chie Kobayashi1, Shu Ishida1, Tsutomu Sawai2,3,4

  • 1Uehiro Division for Applied Ethics, Graduate School of Humanities and Social Sciences, Hiroshima University, Higashihiroshima, Japan.

Methods in Molecular Biology (Clifton, N.J.)
|October 3, 2025
PubMed
Summary
This summary is machine-generated.

Stem cell-based embryo models (SCBEMs) require careful ethical and regulatory oversight. This work surveys normative questions, maps ethical issues, and proposes governance frameworks for responsible SCBEM research advancement and public trust.

Keywords:
Embryonic stem cellsHuman reproductionInduced pluripotent stem cellsInformed consentMoral StatusPublic trustResponsible scienceStem cell researchStem cell–based embryo modelsTechno-moral change

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Area of Science:

  • Life Sciences
  • Bioethics
  • Regulatory Science

Background:

  • Rapid advancements in stem cell-based embryo models (SCBEMs) necessitate ethical and regulatory scrutiny.
  • SCBEM research parallels ethical considerations in human embryo and reproductive studies.
  • Normative questions arise regarding the development and application of SCBEMs.

Purpose of the Study:

  • To survey ethical and normative questions surrounding SCBEMs.
  • To outline potential answers and discuss implications for global regulatory development.
  • To examine governance frameworks for responsible SCBEM research.

Main Methods:

  • Literature review and ethical analysis of SCBEM research.
  • Mapping of major ethical issues and areas for further debate.
  • Examination of existing and proposed governance frameworks.

Main Results:

  • Identification of key ethical challenges in SCBEM research.
  • Survey of normative questions and potential resolutions.
  • Analysis of governance needs for responsible innovation.

Conclusions:

  • Recommendations for guiding SCBEM research include careful planning, transparent communication, and inclusive dialogue.
  • Robust governance and ongoing empirical inquiry are crucial for ethical soundness.
  • Implementing these measures will foster public trust and responsible scientific progress.