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• W2024332569 endingPage "284" @default.
• W2024332569 startingPage "284" @default.
• W2024332569 abstract "Purpose.: To determine the neuroprotective properties of a latanoprost acid derivative (ACS67) that donates the gas hydrogen sulfide (H2S). Methods.: Ischemia to the rat retina was induced by elevation of intraocular pressure. Electroretinograms (ERGs) were recorded and the retinas analyzed 2 days later by immunohistochemistry, Western blot analysis, and RT-PCR. Hydrogen peroxide (H2O2) was used to impose an insult on RGC-5 cells in culture. The nature of the insult to cultures was quantified by the resazurin-reduction assay procedure, staining for reactive oxygen species (ROS) and for apoptosis. ACS67, its sulfurated moiety (ACS1), and latanoprost were tested for both their toxicity and ability to blunt the negative effect of H2O2 on RGC-5 cells. In addition, an assay was used to see whether any of the substances influenced glutathione (GSH) levels in RGC-5 cells. Results.: Partial damage to the retina in situ after ischemia was characterized by an alteration of the ERG, a reduction in the retinal localization of specific antigens and a reduction and elevation of defined retinal proteins and mRNAs. Optic nerve axonal proteins were also drastically reduced by ischemia. Most of these changes were significantly blunted by an intravitreal injection of ACS67 directly after ischemia. ACS67, ACS1, and the antioxidant epigallocatechin gallate (EGCG) all stimulated GSH levels and significantly attenuated H2O2-induced toxicity to RGC-5 cells, whereas latanoprost did not. Conclusions.: ACS67 acts as an H2S donor through its donating moiety ACS1 and as a consequence is able to act as a neuroprotectant." @default.
• W2024332569 created "2016-06-24" @default.
• W2024332569 creator A5006843885 @default.
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• W2024332569 date "2010-01-01" @default.
• W2024332569 modified "2023-10-14" @default.
• W2024332569 title "ACS67, a Hydrogen Sulfide–Releasing Derivative of Latanoprost Acid, Attenuates Retinal Ischemia and Oxidative Stress to RGC-5 Cells in Culture" @default.
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• W2024332569 doi "https://doi.org/10.1167/iovs.09-3999" @default.
• W2024332569 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/19710416" @default.
• W2024332569 hasPublicationYear "2010" @default.
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