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Related Concept Videos

Stem Cell Culture01:17

Stem Cell Culture

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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The stem cell niche is the dynamic microenvironment where stem cells reside. Inside these niches, the cells may remain undifferentiated, undergo high self-renewal, or become lineage-specific progenitors. Stem cells coexist with other niche cells, such as stromal cells. They also interact closely with the ECM. Cell-cell and cell-matrix communication occur via adhesion molecules or soluble factors that signal the stem cells and determine their fate. Stromal cells also provide survival signals to...

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Related Experiment Video

Updated: Jun 12, 2026

Differentiation of a Human Neural Stem Cell Line on Three Dimensional Cultures, Analysis of MicroRNA and Putative Target Genes
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Neural stem cells: the need for a proper orientation.

Bart Lesage1, Irene Gutierrez, Elisa Martí

  • 1Cell Division Group, IRB Barcelona, PCB, c/Baldiri Reixac 10-12, Barcelona, Spain.

Current Opinion in Genetics & Development
|June 12, 2010
PubMed
Summary

Drosophila neuroblasts and mouse radial glial cells use asymmetric cell division for brain growth. Research reveals centrosome asymmetry, spindle orientation, and non-spindle functions play roles, showing both similarities and differences between species.

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Area of Science:

  • Developmental Biology
  • Cell Biology
  • Neuroscience

Background:

  • Asymmetric cell division is crucial for self-renewal and differentiation in stem cells.
  • Drosophila neuroblasts and mouse radial glial cells are key models for studying asymmetric division in brain development.

Purpose of the Study:

  • To review and discuss the mechanisms governing centrosome asymmetry in Drosophila neuroblasts and mouse radial glial cells.
  • To highlight the roles of spindle orientation and non-spindle-related centrosome functions in asymmetric cell division.
  • To compare and contrast these mechanisms across species.

Main Methods:

  • Literature review and synthesis of recent research findings.
  • Comparative analysis of studies on Drosophila and mouse models.

Main Results:

  • Centrosome asymmetry is a conserved feature in asymmetric cell division of neuroblasts and radial glial cells.
  • Spindle orientation and non-spindle centrosome functions contribute significantly to the process.
  • Despite functional parallels, distinct molecular mechanisms and regulatory networks are observed between Drosophila and mouse.

Conclusions:

  • Asymmetric cell division in brain development involves complex, conserved, yet divergent mechanisms.
  • Further research is needed to fully elucidate the fragmentary picture of centrosome involvement and its regulation.