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Comparison of Trabecular Meshwork-Derived Cells (TMDCs) with other somatic Cell Types

ABSTRACT: Microarray study comparing trabecular meshwork-derived cells (TMDCs) from the iridocorneal angle of the human eye, with other human cell types such as scleral fibroblasts, corneal fibroblasts, retinal pigmented epithelial (RPE) cells, corneal stroma, human embryonic stem cells (hESC), neural precursors differentiated from hESC, human umbilical vein endothelial (HUVEC) cells and human adipose-tissue-derived mesenchymal stromal cells (MSC)

ORGANISM(S): Homo sapiens

PROVIDER: GSE28679 | GEO | 2012/05/01

SECONDARY ACCESSION(S): PRJNA138935

REPOSITORIES: GEO

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Comparison of Trabecular Meshwork-Derived Cells (TMDCs) with other somatic Cell Types

Project description:Microarray study comparing trabecular meshwork-derived cells (TMDCs) from the iridocorneal angle of the human eye, with other human cell types such as scleral fibroblasts, corneal fibroblasts, retinal pigmented epithelial (RPE) cells, corneal stroma, human embryonic stem cells (hESC), neural precursors differentiated from hESC, human umbilical vein endothelial (HUVEC) cells and human adipose-tissue-derived mesenchymal stromal cells (MSC) 19 samples were analysed, including 6 biological replicates of TMDC, 2 biological replicates of scleral fibroblasts, 3 biological replicates of hAd-MSC

2012-04-30 | E-GEOD-28679 | biostudies-arrayexpress

Global expression analysis of the trabecular meshwork, cornea, sclera and trabecular meshwork-derived mesenchymal stem cells (TM-MSC)

Project description:Microarray study comparing the trabecular meshwork (TM) with TM-MSC, corneal and scleral tissues

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Genome-wide Expression of Trabecular Meshwork in POAG

Project description:This study compared genome-wide expression profiles of individuals with and without Primary Open-Angle Glaucoma (POAG). One POAG case (case #6 with two replicates #10 and #11) carried a Q368X myocilin mutation. This study compared the genome-wide expression in human trabecular meshwork tissue between 13 controls and 15 POAG cases. Six controls and one POAG cases had the expression performed from both left and right eyes. One technical replicate was done between two cases. The average from the biological replicates for each inidividual was used for analysis.

2013-08-31 | E-GEOD-27276 | biostudies-arrayexpress

Transcription profiling of human trabecular meshwork cells after TGF-beta1 and 2 treatment

Project description:TGF-beta levels are known to increase in the aqueous humor of eye cells in patients with glaucoma. Increase TGF-beta is assumed to have a biochemical impact on the trabecular meshwork, and an increase in extracellular matrix formation, which may be responsible for decrease outflow facility of the eye. This may increase extracellular pressure, causing glaucoma. TGF-beta 1 may be the cause of abnormal accumulation of extracellular matrices in trabecular meshwork of eyes with primary open angle glaucoma. Transforming growth factor (TGF)-beta2 regulates the expression of proteoglycans in aqueous humor from human glaucomatous eyes. To identify gene expression changes as a result of TGF-beta1 and 2 treatment of human trabecular meshwork cells. We expect to see a change in expression of the proteoglycans in HTM cells as a response to TGF-beta treatment. Human Trabecular Meswork cells in the eye were bathed by aqueous humor. TM cells were removed from individuals with the following ages: 16,66,67,73, and 76. Each individual was treated with EtOH (control), TGF-beta1, or TGF-beta2. Total RNA from each individual was pooled for each chip. Technical replicates were created for each treatment type, for a total of 6 chips.

2008-06-15 | E-GEOD-7144 | biostudies-arrayexpress

TGF-beta1 and 2 treatment of human trabecular meshwork cells (Russell-3U24NS043571-01S1-2)

2007-02-28 | GSE7144 | GEO

Gene expression in trabecular meshwork samples from normal and glaucoma eyes

Project description:Dr. Panjwani's laboratory is focusing on the mechanism by which galectins-3 and 7 mediate corneal epithelial cell migration. We are currently performing studies to: (i) identify and characterize the corneal epithelial cell surface and extracellular matrix (ECM) molecules which serve as counterreceptors of galectin-3 and -7, to establish whether the lectins modulate corneal epithelial cell migration by binding to well known integrins, growth factor receptors, and/or ECM molecules and (ii) determine whether galectin-3 mediates corneal epithelial cell migration indirectly by modulating the expression of key adhesion and/or signal transduction molecules by using small interfering RNA, cDNA microarrays and glycogene arrays. It is known that a carbohydrate-binding protein, ELAM, serves as a marker for glaucoma. Other preliminary studies in my lab have shown that galectin-8 plays a role in the adhesion and spreading of trabecular meshwork cells (TM;the cells which modulate ocular pressure) and galectin-3 influences phagocytic capacity of TM cells. These studies suggest that galectins as well as ELAM and their counterreceptors may contribute to the pathogenesis of glaucoma. We have RNA preparations of five each of normal and glaucoma TM samples harvested over the last year from cadavers. We have RNA preparations of five each of normal and glaucoma TM samples harvested over the last yeat from cadavers.

2011-02-04 | E-GEOD-27057 | biostudies-arrayexpress

Trabecular meshwork cell-derived exosomal microRNA expression

Project description:Trabecular meshwork cells in eyes with glaucoma aquire mesenchymal phenotypes. The types of microRNAs in exosomes may differ between static and glaucomatous status and their effects on aqueous humor regulation are still uknown. We used microarrays to identify the differential microRNA expression related to interaction between trabecular meshwork cells and Schlemm's canal endothelial cells.

2021-11-17 | GSE175464 | GEO

Effect of glucocorticoid chemical structure and receptor potency on human trabecular meshwork cells

Project description:Glucocorticoids with different chemical structures but similar glucocorticoid receptor potency regulate subsets of common and unique genes in human trabecular meshwork cells. Gene expression changes of human trabecular meshwork cells, TM 86 and TM 93, due to treatment with dexamethasone (Dex), fluocinolone acetonide (FA), and triamcinolone acetonide (TA).

2010-02-15 | GSE16643 | GEO

Effects of dexamethasone for primary trabecular meshwork cell gene expression

Project description:To clarify the effects of dexamethasone treatment for primary trabecular meshwork cell gene expression, which may relates to the pathophysiology of glucocorticoid-induced glaucoma Three lots (lot #2584, 3423 and 4973) of primary culture human trabecular meshwork (TM) cells were purchased from ScienCell Research Laboratories (Carlsbad, CA). The TM cells were treated with and without 100nM dexamethasone (DEX) for 14 days. Genomewide gene expression analysis was carried out using Agilent 8X60K array.

2015-01-24 | E-GEOD-65240 | biostudies-arrayexpress

Genome-wide transcriptome profiling of human trabecular meshwork cells treated with TGF-β2.

Project description:we employed RNA-Seq to delineate the TGF-β2 induced changes in the transcriptome of normal primary human trabecular meshwork cells (HTM).

2022-05-09 | GSE202372 | GEO

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