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Related Experiment Video

Updated: Jul 13, 2026

Initiating Differentiation in Immortalized Multipotent Otic Progenitor Cells

Initiating Differentiation in Immortalized Multipotent Otic Progenitor Cells

Published on: January 2, 2016

Dynamic Sox5 protein expression during cranial ganglia development.

Aixa V Morales¹, Siro Perez-Alcala, Julio A Barbas

¹Instituto Cajal, CSIC, Madrid, Spain. aixamorales@cajal.csic.es

Developmental Dynamics : an Official Publication of the American Association of Anatomists

|August 10, 2007

Summary

Sox5, a transcription factor, is crucial for developing cranial ganglia in chicks. It is consistently found in glial cells but only temporarily in some neurons, suggesting a role in neural cell fate determination.

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Area of Science:

Developmental Biology
Neuroscience
Genetics

Background:

Sox5 is a SoxD HMG-box transcription factor involved in early neural crest development.
Its specific function in peripheral sensory nervous system development, a neural crest derivative, remains largely uncharacterized.

Purpose of the Study:

To investigate the embryonic expression pattern of Sox5 in chick cranial ganglia during development.
To establish a foundation for future functional studies on Sox5's role in neural cell fate.

Main Methods:

Analysis of embryonic chick cranial ganglia development.
Detailed examination of Sox5 expression during ganglia condensation and differentiation stages.

Main Results:

Sox5 expression is maintained in satellite glial cells derived from neural crest in all cranial ganglia.
Sox5 is transiently expressed in a subset of differentiating neurons originating from both neural crest and placodes.

Conclusions:

Sox5 plays a sustained role in glial cell development within cranial ganglia.
The transient neuronal expression suggests a potential role for Sox5 in determining neuronal subtypes or differentiation.
This expression analysis provides a basis for future research into Sox5's function in neural cell fate determination.