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Gene expression analysis of primary human trabecular meshwork cells cultured in fibroblast medium following selective laser trabeculoplasty treatment

ABSTRACT: Primary human trabecular meshwork cells cultured in fibroblast medium underwent selective laser trabeculoplasty treatment. RNA was extracted from a pool of cells 30 min after treatment while the remaining cells were further cultured and RNA was extracted respectively 2 and 6 hour after treatment. Control cells stored in incubator in absence of SLT treatment were used as reference samples. Gene expression was evaluated by hybridization on miRNA-microarray and laser scanner analysis.

ORGANISM(S): Homo sapiens

PROVIDER: GSE29697 | GEO | 2011/06/04

SECONDARY ACCESSION(S): PRJNA141121

REPOSITORIES: GEO

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Gene expression analysis of primary human trabecular meshwork cells cultured in fibroblast medium following selective laser trabeculoplasty treatment

Project description:Primary human trabecular meshwork cells cultured in fibroblast medium underwent selective laser trabeculoplasty treatment. RNA was extracted from a pool of cells 30 min after treatment while the remaining cells were further cultured and RNA was extracted respectively 2 and 6 hour after treatment. Control cells stored in incubator in absence of SLT treatment were used as reference samples. Gene expression was evaluated by hybridization on miRNA-microarray and laser scanner analysis. Time course experiment; HTM cells, ScienCell, San Diego, California: cat. n. 6590: isolated from juxtacanalicular and corneoscleral region of the human eye. TMC are cryopreserved on primary culture and delivered frozen.

2011-06-04 | E-GEOD-29697 | biostudies-arrayexpress

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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.

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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.

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Expression Profile of Genes in Trabecular Meshwork Cells Treated with Dexamethasone

Project description:Treatment with glucocorticoids is known to cause ocular hypertension in humans which can lead to steriod-induced glaucoma We used microarrays to determine changes in gene expression in two human trabecular meshwork (TM) cell isolates (TM-4 and TM-2) from the same donor that could explain the increase in ocular hypertension.

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Changes in Gene expression mediated by Cyclic Mechanical Stress in Trabecular Meshwork Cells

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