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Related Experiment Videos

Placenta--an alternative source of stem cells.

Tiina Matikainen1, Jarmo Laine

  • 1Program of Developmental and Reproductive Biology, Biomedicum Helsinki and Hospital for Children and Adolescents, Helsinki University Central Hospital, Helsinki, Finland.

Toxicology and Applied Pharmacology
|July 2, 2005
PubMed
Summary

Human stem cells offer promising applications in disease therapy and drug screening. Stem cells from discarded birth tissues like the placenta and umbilical cord present an accessible, ethically sound alternative for these uses.

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Human CMP-N-acetylneuraminic acid hydroxylase is a novel stem cell marker linked to stem cell-specific mechanisms.

Stem cells (Dayton, Ohio)·2009

Area of Science:

  • Regenerative Medicine
  • Stem Cell Biology
  • Biotechnology

Background:

  • Human stem cells are crucial for cellular replacement therapies and toxicological drug screening.
  • Current stem cell sources include embryonic stem cells (pluripotent but ethically complex) and adult stem cells (ethically sound but with limited differentiation potential).
  • The destruction of blastocysts for embryonic stem cell derivation raises significant ethical concerns.

Purpose of the Study:

  • To review the potential and current status of adult stem cells derived from the placenta or umbilical cord.
  • To evaluate these stem cells for therapeutic and toxicological applications.
  • To explore accessible, ethically non-controversial alternatives to embryonic stem cells.

Main Methods:

  • Review of existing literature on adult stem cell isolation, purification, expansion, and differentiation.

Related Experiment Videos

  • Analysis of therapeutic applications for stem cells from placenta and umbilical cord.
  • Assessment of toxicological screening potential using these stem cell sources.

    • Main Results:

    • Adult stem cells from placenta and umbilical cord are ethically accessible and readily available.
    • These stem cells demonstrate potential for both therapeutic applications and drug toxicity testing.
    • Challenges remain in controlled differentiation and large-scale expansion for clinical use.

    Conclusions:

    • Placenta and umbilical cord-derived stem cells represent a viable, ethically favorable alternative for regenerative medicine and drug development.
    • Further research is needed to optimize their clinical translation and toxicological applications.
    • These sources bypass the ethical dilemmas associated with embryonic stem cell use.