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Study of Fgf15 gene expression in developing mouse brain.

L Gimeno1, P Brûlet, S Martínez

  • 1Instituto de Neurosciencias, CSIC-UMH, Campus de San Juan, Apdo correos 18, 03550, Alicante, Spain.

Gene Expression Patterns : GEP
|August 14, 2003
PubMed
Summary

Fibroblast growth factor 15 (Fgf15) expression in the developing mouse brain mirrors Fgf8 patterns. This gene is found in key organizing centers like the isthmic organizer and anterior neural ridge.

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Area of Science:

  • Developmental Biology
  • Neuroscience
  • Gene Expression

Background:

  • Fibroblast growth factor 15 (Fgf15) is regulated by Otx2 in the developing mouse brain.
  • Otx2 is crucial for anterior neural plate and cephalic region development.
  • Fgf15 thalamic expression is controlled by Shh signaling.

Purpose of the Study:

  • To analyze the expression pattern of Fgf15 during mouse neural development.
  • To compare Fgf15 expression with Fgf8 in developing neural tissues.

Main Methods:

  • Analysis of Fgf15 gene expression patterns.
  • In situ hybridization or similar techniques to visualize gene expression domains.

Main Results:

  • Fgf15 expression initiates early in the developing neural epithelium, overlapping with Fgf8 domains.

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  • Later, Fgf15 is detected in specific neural cell populations.
  • Fgf15 expression localizes to secondary neural tube organizers, including the isthmic organizer (IsO) and anterior neural ridge (ANR), similar to Fgf8.

    • Conclusions:

    • Fgf15 plays a role in neural development, potentially coordinated with Fgf8.
    • The expression patterns suggest Fgf15's involvement in establishing key signaling centers within the developing brain.