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Related Experiment Video

Updated: May 9, 2026

Assessment of Zebrafish Lens Nucleus Localization and Sutural Integrity

Assessment of Zebrafish Lens Nucleus Localization and Sutural Integrity

Published on: May 6, 2019

Lens placode modulates extracellular matrix formation during early eye development.

Cecília G De Magalhães¹, Ales Cvekl², Ruy G Jaeger¹

¹Department of Cell and Developmental Biology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, SP, 05508-900, Brazil.

Differentiation; Research in Biological Diversity

|June 27, 2024

Summary

This summary is machine-generated.

The extracellular matrix (ECM) in the developing eye undergoes significant remodeling during lens placode formation. This study reveals that the lens placode actively remodels the optic ECM, influenced by BMP signaling.

Keywords:

Fibronectin Gelatinase Laminin Lens placode Timp2

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Last Updated: May 9, 2026

Assessment of Zebrafish Lens Nucleus Localization and Sutural Integrity

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Published on: May 6, 2019

4-Dimensional Imaging of Zebrafish Optic Cup Morphogenesis

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Published on: May 26, 2021

Author Spotlight: In-Depth Morphometric Examination and Quantification of Native Lens Structure Using Whole Mount Imaging

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Published on: January 19, 2024

Area of Science:

Developmental Biology
Cell Biology
Ophthalmology

Background:

The extracellular matrix (ECM) is crucial for morphogenesis, but its role in early eye development is not well understood.
Lens placode formation involves significant cell shape changes in the presumptive lens ectoderm.

Purpose of the Study:

To investigate the dynamic changes in the optic ECM during early eye development.
To explore the relationship between cell shape, ECM remodeling, and gene expression in lens placode formation.

Main Methods:

Analysis of protein distribution, gelatinase activity, and gene expression in the optic ECM of chicken and mouse models.
Investigating the role of BMP signaling in ECM remodeling.

Main Results:

Observed changes in optic ECM protein deposition and gelatinase activity during lens placode formation.
Demonstrated that Timp2 expression correlates with decreased gelatinase activity.
Showed that optic ECM remodeling is dependent on BMP signaling.

Conclusions:

The lens placode actively remodels the optic ECM during early eye development.
BMP signaling plays a key role in regulating optic ECM remodeling in the placode.