Interleukin-6 (IL-6) gene expression and secretion by cytokine-stimulated human retinal pigment epithelial cells

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Interleukin-6 (IL-6) gene expression and secretion by cytokine-stimulated human retinal pigment epithelial cells.

Retinal and choroidal inflammatory lesions are important causes of visual loss, but the mechanisms regulating intraocular inflammation remain poorly understood. By virtue of its position at the blood-retina barrier, the retinal pigment epithelium (RPE) cells may be critical to the initiation and propagation of ocular inflammation. Previously we showed that cytokine-stimulated RPE cells produce ...

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Extremely low frequency-pulsed electromagnetic fields affect proangiogenic-related gene expression in retinal pigment epithelial cells

Objective(s): It is known that extremely low frequency-pulsed electromagnetic fields (ELF-PEMF) influence multiple cellular and molecular processes. Retinal pigment epithelial (RPE) cells have a significant part in the emergence and pathophysiology of several ocular disorders, such as neovascularization. This study assessed the impact of ELF-PEMF on the proangiogenic features of RPE cells. Mate...

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Human marrow stromal cells: response to interleukin-6 (IL-6) and control of IL-6 expression.

Production of interleukin-6 (IL-6) by marrow stromal cells from human long-term marrow cultures and from stromal cells transformed with simian virus 40 was examined. As with other cultured mesenchymal cells, unstimulated stromal cells produced undetectable amounts of IL-6 mRNA when assayed by Northern blots. However, within 30 minutes after exposure of transformed marrow stromal cells to the in...

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Subtoxic levels hydrogen peroxide-induced production of interleukin-6 by retinal pigment epithelial cells

PURPOSE To study the effect of subtoxic levels of hydrogen peroxide (H(2)O(2)) on the expression and release of interleukin-6 (IL-6) by cultured retinal pigment epithelial (RPE) cells and to explore the relevant signal pathways. METHODS Cultured human RPE cells were stimulated with various subtoxic concentrations of H(2)O(2) for different periods. Conditioned medium and cells were collected. ...

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Retinal pigment epithelial cells secrete interleukin-6 in response to interleukin-1.

Interleukin-6 (IL-6) is a peptide whose properties include the ability to activate T-lymphocytes, stimulate the secretion of immunoglobulin, induce neuronal differentiation, and trigger the release of acute phase proteins. We have detected IL-6-like activity in conditioned medium from cultured human retinal pigment epithelial (RPE) cells with a bioassay based on the ability of IL-6 to induce th...

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ژورنال

عنوان ژورنال: Experimental Eye Research

سال: 1992

ISSN: 0014-4835

DOI: 10.1016/0014-4835(92)90048-w