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Unknown,Transcriptomics,Genomics,Proteomics

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Gene expression profiling of mouse sclera during post-natal development

ABSTRACT: Although there have been studies conducted on cornea and retina growth and development, postnatal gene expression studies on sclera growth during postnatal growth has not been well characterised. Given that the mouse genome has 85% homology to the human genome and has been completely sequenced, mouse model for the study of ocular growth has advantages over other animal models. Thus, we aimed to study the biology and genetics behind sclera growth during post-natal development in Balb/cJ mice as a means to understand genetic changes that cause scleral growth and development during post-natal eye development The purpose of this study was to identify the genes underlying the development of mouse sclera post-natal growth of the posterior chamber of the eye using microarray Total RNA was isolated from single cryogenically ground mouse sclera (n=30, 6 samples each from week 1-, 2-, 3-, 6-and 8-old mice), reverse-transcribed and hybridized onto a Affymetrix mouse gene 1.0 ST array.We sought to use microarray to determine the gene expression profiles of mouse sclera from different age groups and identify the developmental genes that are involved in postnatal ocular growth.

ORGANISM(S): Mus musculus

SUBMITTER: Wan'e Lim

PROVIDER: E-GEOD-28056 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Gene expression profiling of mouse sclera during post-natal development

Project description:Although there have been studies conducted on cornea and retina growth and development, postnatal gene expression studies on sclera growth during postnatal growth has not been well characterised. Given that the mouse genome has 85% homology to the human genome and has been completely sequenced, mouse model for the study of ocular growth has advantages over other animal models. Thus, we aimed to study the biology and genetics behind sclera growth during post-natal development in Balb/cJ mice as a means to understand genetic changes that cause scleral growth and development during post-natal eye development The purpose of this study was to identify the genes underlying the development of mouse sclera post-natal growth of the posterior chamber of the eye using microarray

2011-03-22 | GSE28056 | GEO

Mus musculus

Project description:Gene expression profiling of mouse sclera during post-natal development

| PRJNA139775 | ENA

Transcriptional profiling of eyes from MCMV infected neonatal mice during retinal development

Project description:Congenital CMV is the leading cause of congenital infections leading to several different neurological complications including ocular pathology. MCMV infeciton of newborn BALB/c mice is a known mouse model to study human infection. Here we evaluated transcriptional changes caused by the infection in the eye over the course of development from post natal day 5 to 28.

2024-11-20 | GSE271251 | GEO

Proteomic profiling of rabbit eyes

Project description:Rabbits have been widely used for studying ocular physiology and pathology due to their relatively large eye size and similar structures with human eyes. Various rabbit ocular disease models, such as dry eye, age-related macular degeneration, and glaucoma, have been established. Despite the growing application of proteomics in vision research using rabbit ocular models, there is no spectral assay library for rabbit eye proteome publicly available. Here, we generated spectral assay libraries for rabbit eye compartments, including conjunctiva, cornea, iris, retina, sclera, vitreous humor, and tears using fractionated samples and ion mobility separation enabling deep proteome coverage. The rabbit eye spectral assay library includes 9,153 protein groups, and 107,898 peptides. We present the data as a freely available community resource for proteomic studies in the vision field.

2021-11-24 | PXD029818 | Pride

Proteomic profiling of various rabbit eye tissues

Project description:Rabbits have been widely used for studying ocular physiology and pathology due to their relatively large eye size and similar structures with human eyes. Various rabbit ocular disease models, such as dry eye, age-related macular degeneration, and glaucoma, have been established. Despite the growing application of proteomics in vision research using rabbit ocular models, there is no spectral assay library for rabbit eye proteome publicly available. Here, we generated spectral assay libraries for rabbit eye compartments, including conjunctiva, cornea, iris, retina, sclera, vitreous humor, and tears using fractionated samples and ion mobility separation enabling deep proteome coverage. The rabbit eye spectral assay library includes 9,830 protein groups and 113,593 peptides. We present the data as a freely available community resource for proteomic studies in the vision field.

2022-02-21 | PXD031194 | Pride

Evaluation of MicroRNA Expression Profiles for Form-Deprivation Myopia in Mouse

Project description:The study aim was to determine microRNA (miRNA) expression profiles of ocular tissues in form-deprivation induced myopia (FDM) mice. Form-deprivation myopia was induced in C57BL/6Jmice over the right eye; the contralateral left eyes were used as controls. Whole genome microRNA expression profiles in myopic whole eye, retina, and sclera were determined using the Agilent mouse miRNA microarray. The normalized microarray data were performed ANOVA test to identify differences in miRNA expression between myopic and control eyes. The differential expression for selected miRNAs was validated by quantitative real time PCR (qRT-PCR).

2014-12-31 | GSE58124 | GEO

Scleral miRNA profiles in adult and fetal eyes

Project description:Introduction: In human eyes, ocular enlargement/ growth, reflects active scleral extracellular matrix remodeling. miRNAs are small non-coding RNAs that regulate gene expression by base pairing with target sequences, and serve as nodes of signaling networks. We hypothesized that the sclera, like most tissues, expresses miRNAs, some of which modulate genes regulating ocular growth. In this study, the scleral miRNA expression profile of rapidly growing human fetal eyes was compared with that of stable adult donor eyes using high-throughput microarray and quantitative PCR analyses. Results: Human sclera expressed several miRNAs. Microarray comparison of adult and fetal samples revealed many to be differentially expressed (p<0.01, min p= 6.5x10^11), with increased expression of collagen specific mir-214, let-7c, let-7e, mir-103, mir-107, and mir-98 in fetal sclera subsequently confirmed (1.5 to 4 fold changes, p<0.01). For both adult and fetal samples, no significant differences in miRNA expression profiles of sclera from posterior and peripheral ocular regions were observed. Conclusion: This is the first study to catalogue miRNA expression in human sclera. The sclera expresses several miRNAs, some of which show age-related differential regulation, higher in rapidly growing fetal eyes, consistent with a role in ocular growth regulation. These findings may be useful for linking scleral miRNA expression with potential manipulation in disorders such as scleral ectasia/ axial myopia.

2017-02-09 | GSE46435 | GEO

Transcription profiling of human cultured scleral cells

Project description:The sclera maintains and protects the eye ball, which receives visual inputs. The aim of this study is to identify characteristics of the human sclera as one of the connective tissues derived from the neural crest and mesoderm. We have here demonstrated microarray data of cultured human scleral cells. Experiment Overall Design: Affymetrix human U133 plus 2.0 array was used to transcriptionally profile to compare sclera cells and others.

2008-06-11 | E-GEOD-10934 | biostudies-arrayexpress

Expression data from pooled RNA of various ocular tissues

Project description:The normal gene expression profiles of the tissues in the eye are a valuable resource for considering genes likely to be involved with disease processes. This is based on the assumption that transcript abundances in healthy tissue are correlated to the continued health of that tissue. Expression values were compared with publically available EST and RNA-sequencing resources. The estimated gene and exon level abundances are available online on the Ocular Tissue Database. Ten different tissues were obtained from 6 different individuals and RNA was pooled. The tissues included: retina, optic nerve head (ONH), optic nerve (ON), ciliary body (CB), trabecular meshwork (TM), sclera, lens, cornea, choroid/RPE and iris.

2013-04-17 | E-GEOD-41102 | biostudies-arrayexpress

Tissue specific comprehensive gene analysis in a murine lens-induced myopia model

Project description:To identify to identify target tissues and molecules involved with refractive myopic shift and axial length elongation in a murine lens-induced myopia model, we performed comprehensive analysis by microRNA array. Negative 30diptor (-30D) lens was fixed on right eye (-30D) of C57BL/6J mice (3weeks old, N=3) for 3 weeks, the refraction and the axial length were measured using a refractometer and a SD-OCT system in all eyes. Eye balls were enucleated and separated to cornea, iris, lens, retina, choroid and sclera. Total RNA was extracted from individual ocular components. MicroRNA expression analysis was carried out using Agilent Mouse miRNA Microarray (8×60K) miRBase21.0 (Agilent). Expression ratio calculation and miRNA varying expression were extracted by GeneSpring GX 14.5 (Agilent). After 3weeks of lens fixing, a refractive change and an axial length elongation change were observed (Normal vs -30D: 0.95 ± 1.85D vs -18.42 ± 3.98D, 0.155 mm ± 0.015mm vs 0.273 ± 0.009 mm), respectively. MiRNA expression changes that induced only by -30D lens fixing was confirmed in each part of the eyeball. By expression ratio calculation and miRNA varying expression analysis, upregulated miRNA (56 in cornea, 13 in iris, 6 in lens, 0 in retina, 29 in choroid and 30 in sclera) and downregulated miRNA (7 in cornea, 28 in iris, 17 in lens, 9 in retina, 7 in choroid and 40 in sclera) were observed. Overlapping miRNAs were also found while each eye tissues. In this study, miRNA varying expression were observed in each ocular part of the murine lens-induced myopia model. These miRNAs dysregulation may be functionally involved with the refractive myopia shift and the axial length elongation.

2019-05-29 | GSE131831 | GEO

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