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Related Experiment Videos

Intestinal epithelial stem cells and progenitors.

Matthew Bjerknes1, Hazel Cheng

  • 1Department of Medicine, University of Toronto, Ontario, Canada.

Methods in Enzymology
|December 5, 2006
PubMed
Summary

Adult intestinal stem cells are accessible but difficult to culture due to rapid cell death and poorly understood in vitro conditions. Research focuses on in vivo methods for studying these crucial cells.

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Area of Science:

  • Gastroenterology
  • Stem Cell Biology
  • Epithelial Biology

Background:

  • The adult intestinal epithelium harbors a well-organized stem cell system, theoretically amenable to isolation and study.
  • Existing methods allow for the collection of intestinal epithelium, but large-scale stem and progenitor cell retrieval for research and clinical use is challenging.

Purpose of the Study:

  • To address the difficulties in isolating and culturing adult intestinal stem and progenitor cells.
  • To review current in vivo assays and in vitro methods for studying intestinal stem cells.

Main Methods:

  • Discussion of existing in vivo assays for assessing stem and progenitor cell behavior.
  • Review of current techniques for isolating and culturing intestinal epithelial cells.

Main Results:

  • Adult intestinal epithelial cells undergo rapid apoptosis upon detachment from the basement membrane.
  • Optimal in vitro conditions for survival, proliferation, and differentiation of these cells remain poorly understood.

Conclusions:

  • Current limitations hinder routine isolation and culture of adult intestinal stem and progenitor cells.
  • In vivo approaches remain largely dependent for the study of intestinal stem and progenitor cells.
  • Further research is needed to elucidate optimal in vitro culture conditions.

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