ArticleInvestigative ophthalmology & visual science2019
Characterization of LSD1 Expression Within the Murine Eye.
Article in Investigative ophthalmology & visual science, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed, 9 citations in OpenAlex.
- Deletion of histone demethylaseFrontiers in cellular neuroscience · 2023Article
- The role of epigenetic methylation/demethylation in the regulation of retinal photoreceptors.Frontiers in cell and developmental biology · 2023Review
- Mechanism of LSD1 in oxygen-glucose deprivation/reoxygenation-induced pyroptosis of retinal ganglion cells via the miR-21-5p/NLRP12 axis.BMC neuroscience · 2022Article
- Histone lysine-specific demethylase 1 regulates the proliferation of hemocytes in the oysterFrontiers in immunology · 2022Article
- Electrophysiologic and Morphologic Strain Differences in a Low-Dose NaIO3-Induced Retinal Pigment Epithelium Damage Model.Translational vision science & technology · 2021Article
- Epigenetic regulation of retinal development.Epigenetics & chromatin · 2021Review
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
Abstract
Purpose: The purpose of this study was to extend the current understanding of endogenous lysine-specific demethylase 1 (LSD1) expression spatially and temporally in the retina. Toward that end, we determined the localization and levels of LSD1 and its substrates H3K4me1 and H3K4me2 (H3K4me1/2) within the murine eye. Methods: Immunofluorescent microscopy for LSD1, H3K4me1, and H3K4me2 was conducted on murine formalin-fixed paraffin-embedded eye sections across development in addition to Western immunoblotting to assess localization and protein levels. Results: Retinal LSD1 protein levels were highest at postnatal day 7 (P7), whereas its substrates H3K4me1 and H3K4me2 had equally high levels at P2 and P14. Concentrations of all three proteins gradually decreased over developmental time until reaching a basement level of ∼60% of maximum at P36. LSD1 and H3K4me1/2 were expressed uniformly in all retinal progenitor cells. By P36, there was variability in LSD1 expression in the ganglion cell layer, uniform expression in the inner nuclear layer, and dichotomous expression between photoreceptors in the outer nuclear layer. This contrasted with H3K4me1/2 expression, which remained uniform. Additionally, LSD1 was widely expressed in the lens, cornea, and retinal pigment epithelium. Conclusions: Consistent with its known role in neuronal differentiation, LSD1 is highly and uniformly expressed throughout all retinal progenitor cells. Variability in LSD1 expression, particularly in photoreceptors, may be indicative of their unique transcriptomes and epigenetic patterns of rods and cones. Murine rod nuclei exhibit LSD1 expression in a ring or shell, rather than throughout the nucleus, consistent with their unique inverted chromatin organization. LSD1 has substantial expression throughout adulthood, especially in cone nuclei. By providing insight into endogenous LSD1 expression, our current findings could directly inform future studies to determine the exact role of Lsd1 in the development and maintenance of specific structures and cell types within the eye.
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