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In vivo Electroporation of Developing Mouse Retina
Published on: June 24, 2011
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G protein-coupled estrogen receptor expression in postnatal developing mouse retina.
Wendy L Piñon-Teal1, Judith Mosinger Ogilvie1,2
1Department of Biology, Saint Louis University, St. Louis, MO, United States.
Frontiers in Ophthalmology
|July 10, 2024
Summary
This study details the expression of G protein-coupled estrogen receptor (Gper) in developing mouse retinas. Gper levels increase significantly, with protein found in key retinal cells, providing a basis for understanding its role in retinal health.
Area of Science:
- Neuroscience
- Endocrinology
- Ophthalmology
Background:
- Estrogen acts as a signaling molecule in the retina, crucial for neural development and adult neuroprotection.
- Estrogen receptors include classical ERs (alpha, beta) and the G protein-coupled estrogen receptor (Gper).
- Gper exhibits distinct structural, localization, and signaling properties compared to classical ERs.
Purpose of the Study:
- To characterize the temporal and spatial expression patterns of Gper transcript and protein in the developing and mature mouse retina.
- To establish a foundational understanding of Gper's role in retinal development and potential degeneration.
Main Methods:
- Quantitative real-time PCR (qRT-PCR) to analyze Gper transcript levels from postnatal day 0 (P0) to P21.
- Immunohistochemistry and Western blot techniques to assess Gper protein expression and localization during the same developmental period.
Main Results:
- Gper transcript expression increased sixfold during postnatal development, peaking around P14.
- Gper protein was localized in retinal ganglion cells (RGCs) throughout development and in horizontal cell bodies early on.
- Immunoreactivity was detected in the cytoplasm, Golgi, nucleus (early), and RGC axons (maturing retina).
Conclusions:
- This research provides the first comprehensive report on Gper spatial and temporal expression in the developing mouse retina.
- The findings establish a critical basis for future studies exploring Gper's function in retinal development and disease.
