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Gene editing in human development: ethical concerns and practical applications.

Janet Rossant1

  • 1Peter Gilgan Centre for Research and Learning, Hospital for Sick Children, and Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada M5G 0A4 janet.rossant@sickkids.ca.

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CRISPR-Cas9 gene editing advances research in human embryos and stem cells, offering insights into development and disease. Ethical concerns regarding germline gene editing persist, though clinical applications remain distant.

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Area of Science:

  • Molecular Biology
  • Developmental Biology
  • Bioethics

Background:

  • CRISPR-Cas9 and related technologies have revolutionized biological research.
  • Gene editing, particularly human germline gene editing, raises significant ethical considerations.

Purpose of the Study:

  • To explore the current applications and implications of gene editing technologies in biological research.
  • To address the ethical concerns surrounding human germline gene editing.

Main Methods:

  • Utilizing gene editing tools in research models including human embryos, non-human primates, and stem cell-derived embryoids.
  • Analyzing data from these studies to understand developmental processes.

Main Results:

  • Gene editing research is progressing rapidly in various models, despite technical and safety hurdles for clinical germline applications.
  • These studies are yielding valuable information on human development, infertility, and early pregnancy loss.

Conclusions:

  • Gene editing is a powerful research tool providing novel insights into fundamental biological questions.
  • While germline gene editing faces challenges, its research applications are advancing our understanding of human development and disease.