Single cell RNA seq of 8 week old wild-type mouse choroid-RPE tissue
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ABSTRACT:
PROVIDER: PRJNA1134259 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR29771675.fastq.gz | Fastqsanger.gz | |||
| SRR29771676.fastq.gz | Fastqsanger.gz | |||
| SRR29771677.fastq.gz | Fastqsanger.gz |
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Project description:To characterize underlying changes in the retinal pigment epithelium (RPE)/choroid with age, we produced gene expression profiles for the RPE/choroid and compared the transcriptional profiles of the RPE/choroid from young and old mice. The changes in the aged RPE/choroid suggest that the tissue has become immunologically active. Such phenotypic changes in the normal aged RPE/choroid may provide a background for the development of age-related macular degeneration. Experiment Overall Design: We compared the gene expression of retinal pigmental epithelium/choroid from young and old animals. There were 4 samples from young mice and 4 samples from old mice. Each sample contained 4 retinal pigmental epithelium/choroid from 2 animals
2008-06-11 | E-GEOD-10965 | biostudies-arrayexpress
Project description:Whole choroids/RPE complexes were dissected from wildtype ICR mice at 8 weeks of age, dissociated and subjected to single cell RNA sequencing using the 10x Chromium platform
2024-09-04 | GSE271996 | GEO
Project description:PURPOSE To identify retinal pigment epithelial (RPE)/choroid genes and their relevant expression pathways affected by intravitreal injections of dexamethasone and triamcinolone acetonide in mice at clinically relevant time points for patient care. METHODS Differential gene expression of over 34,000 well-characterized mouse genes, in the RPE/choroid of 6 week old C57BL/6J mice were analyzed after intravitreal steroid injections at 1 week and 1 month post injection, using Affymetrix Mouse Genome 430 2.0 microarrays. The data were analyzed using GeneSpringGX12.5 and Ingenuity Pathway Analysis (IPA) microarray analysis software for biologically relevant changes. RESULTS Both triamcinolone and dexamethasone caused differential activation of genes involved in âCircadian Rhythm Signalingâ pathway at both time points tested. Triamcinolone (TAA) uniquely induced significant changes in gene expression in âCalcium Signalingâ (1 week) and âGlutamate Signalingâ pathways (1month). In contrast, Dexamethasone (Dex) affected the âGABA Receptor Signalingâ (1 week) and âSerotonin Receptor Signalingâ (1month) pathways. CONCLUSIONS Understanding how intraocular steroids affect the gene expression of RPE/choroid is clinically relevant. This in vivo study has elucidated several genes and pathways that are potentially altering the circadian rhythms and several other neurotransmitter pathways in RPE/choroid cells during intravitreal steroid injections, which likely has consequences in the dysregulation of RPE function and neurodegeneration of the retina. Total of 18 RPE/choroid samples were analysed. There were two time points, day7 and day30. Each time point had three groups: BSS control, DEX treatment and TAA treatment. Each group had three biological replicas.
2016-08-01 | E-GEOD-49872 | biostudies-arrayexpress
Project description:PURPOSE To identify retinal pigment epithelial (RPE)/choroid genes and their relevant expression pathways affected by intravitreal injections of dexamethasone and triamcinolone acetonide in mice at clinically relevant time points for patient care. METHODS Differential gene expression of over 34,000 well-characterized mouse genes, in the RPE/choroid of 6 week old C57BL/6J mice were analyzed after intravitreal steroid injections at 1 week and 1 month post injection, using Affymetrix Mouse Genome 430 2.0 microarrays. The data were analyzed using GeneSpringGX12.5 and Ingenuity Pathway Analysis (IPA) microarray analysis software for biologically relevant changes. RESULTS Both triamcinolone and dexamethasone caused differential activation of genes involved in ‘Circadian Rhythm Signaling’ pathway at both time points tested. Triamcinolone (TAA) uniquely induced significant changes in gene expression in ‘Calcium Signaling’ (1 week) and ‘Glutamate Signaling’ pathways (1month). In contrast, Dexamethasone (Dex) affected the ‘GABA Receptor Signaling’ (1 week) and ‘Serotonin Receptor Signaling’ (1month) pathways. CONCLUSIONS Understanding how intraocular steroids affect the gene expression of RPE/choroid is clinically relevant. This in vivo study has elucidated several genes and pathways that are potentially altering the circadian rhythms and several other neurotransmitter pathways in RPE/choroid cells during intravitreal steroid injections, which likely has consequences in the dysregulation of RPE function and neurodegeneration of the retina.
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Project description:To characterize underlying changes in the retinal pigment epithelium (RPE)/choroid with age, we produced gene expression profiles for the RPE/choroid and compared the transcriptional profiles of the RPE/choroid from young and old mice. The changes in the aged RPE/choroid suggest that the tissue has become immunologically active. Such phenotypic changes in the normal aged RPE/choroid may provide a background for the development of age-related macular degeneration. Keywords: age-related change
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Project description:Human retina and RPE/choroid from healthy and age-related macular degeneration donors
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Project description:Young mice were compared to old mice (2 month vs 24 month) to determine gene changes that occur with aging in the mouse retinal pigmented epithelium/choroid of the eye. Keywords = retinal pigmented epithelium Keywords = aging Keywords = choroid
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Project description:Young mice were compared to old mice (2 month vs 24 month) to determine gene changes that occur with aging in the mouse retinal pigmented epithelium/choroid of the eye. Keywords = retinal pigmented epithelium Keywords = aging Keywords = choroid Keywords: other
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Project description:<p>Proper spatial differentiation of retinal cell types is necessary for normal human vision. Many retinal diseases, such as Best disease and male germ cell associated kinase (MAK)-associated retinitis pigmentosa, preferentially affect distinct topographic regions of the retina. While much is known about the distribution of cell types in the retina, the distribution of molecular components across the posterior pole of the eye has not been well-studied. To investigate regional difference in molecular composition of ocular tissues, we assessed differential gene expression across the temporal, macular, and nasal retina and retinal pigment epithelium (RPE)/choroid of human eyes using RNA-Seq. RNA from temporal, macular, and nasal retina and RPE/choroid from four human donor eyes was extracted, poly-A selected, fragmented, and sequenced as 100 bp read pairs. Digital read files were mapped to the human genome and analyzed for differential expression using the Tuxedo software suite. Retina and RPE/choroid samples were clearly distinguishable at the transcriptome level. Numerous transcription factors were differentially expressed between regions of the retina and RPE/choroid. Photoreceptor-specific genes were enriched in the peripheral samples, while ganglion cell and amacrine cell genes were enriched in the macula. Within the RPE/choroid, RPE-specific genes were upregulated at the periphery while endothelium associated genes were upregulated in the macula. Consistent with previous studies, BEST1 expression was lower in macular than extramacular regions. The MAK gene was expressed at lower levels in macula than in extramacular regions, but did not exhibit a significant difference between nasal and temporal retina. The regional molecular distinction is greatest between macula and periphery and decreases between different peripheral regions within a tissue. Datasets such as these can be used to prioritize candidate genes for possible involvement in retinal diseases with regional phenotypes. </p> <p>Reprinted from <a href="https://www.ncbi.nlm.nih.gov/pubmed/?term=25446321">Whitmore, S.S., Wagner, A.H., DeLuca, A.P., Drack, A.V., Stone, E.M., Tucker, B.A., Zeng, S., Braun, T.A., Mullins, R.F., Scheetz, T.E., 2014. Transcriptomic analysis across nasal, temporal, and macular regions of human neural retina and RPE/choroid by RNA-Seq. Experimental Eye Research</a>. Used under <a href="http://creativecommons.org/licenses/by-nc-sa/3.0/">Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported </a>license.</p> <p>Additional RNA sequencing was performed on temporal, macular, nasal, inferior, and superior retina from a fifth subject and is included in this dataset. See original publication for details.</p>
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