Region-specific apoptosis limits neural stem cell proliferation

Related Experiment Video

Updated: Sep 27, 2026

Growing Neural Stem Cells from Conventional and Nonconventional Regions of the Adult Rodent Brain
11:27

Growing Neural Stem Cells from Conventional and Nonconventional Regions of the Adult Rodent Brain

Published on: November 18, 2013

Andrea H Brand1, Peter J van Roessel

  • 1Wellcome Trust/Cancer Research UK Institute and Department of Genetics, University of Cambridge, Tennis Court Road, Cambridge CB2 1QR, United Kingdom.

Neuron
|January 28, 2003
PubMed

Insights

Stem cell division in Drosophila is limited by programmed cell death (apoptosis) in a region-specific manner. This regulation is controlled by the Hox gene abdominal-A (abdA), impacting neural stem cell development.

Area of Science:

  • Developmental Biology
  • Stem Cell Biology
  • Neuroscience

Background:

  • Stem cell division is crucial for development and therapeutics.
  • Understanding the regulation of stem cell division is a key area of research.

Discussion:

  • Bello et al. demonstrate that Drosophila neural stem cell divisions are finite.
  • This limitation is region-specific and mediated by programmed cell death (apoptosis).
  • A pulse of the Hox gene abdominal-A (abdA) expression triggers this regulated apoptosis.

Key Insights:

  • The number of neural stem cell divisions is not unlimited.
  • Hox gene expression, specifically abdA, plays a critical role in controlling stem cell proliferation.
  • Regulated apoptosis acts as a mechanism to limit stem cell divisions during development.

Outlook:

  • This finding has implications for understanding developmental processes.
  • The study provides insights into mechanisms that could be relevant for stem cell therapeutics.
  • Further research can explore the precise molecular pathways linking abdA to apoptosis in neural stem cells.

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