Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/68183
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dc.contributor.authorEbneter, A.en
dc.contributor.authorChidlow, G.en
dc.contributor.authorWood, J.en
dc.contributor.authorCasson, R.en
dc.date.issued2011en
dc.identifier.citationArchives of Ophthalmology, 2011; 129(10):1337-1344en
dc.identifier.issn0003-9950en
dc.identifier.issn1538-3601en
dc.identifier.urihttp://hdl.handle.net/2440/68183-
dc.description.abstractObjective: To evaluate the neuroprotective effect of short-term hyperglycemia on the retinal ganglion cell body and axon in a rat model of experimental glaucoma. Methods: Using a well-described limbal laser technique, unilateral ocular hypertension was induced in 2 groups (26 per group) of Sprague-Dawley rats. One group remained normoglycemic; the other was rendered hyperglycemic by means of an intraperitoneal injection of streptozocin. After 2 weeks of elevated intraocular pressure, axonal and retinal damage profiles were compared using several histological techniques. Immunohistochemical changes in the retina and optic nerve were also assessed. Results: We found convincing evidence of delayed axonal degeneration and retinal ganglion cell death in hyperglycemic rats. Axon loss was reduced by about 50% 2 weeks after induction of ocular hypertension. Survival of retinal ganglion cell perikarya increased to a similar extent in hyperglycemic rats. Conclusions: The optic nerve and retinal ganglion cells are partially protected by short-term hyperglycemia in this rat model of experimental glaucoma. Energy substrate availability may therefore play a role in glaucomatous optic neuropathy.en
dc.description.statementofresponsibilityAndreas Ebneter, Glyn Chidlow, John P. M. Wood, Robert J. Cassonen
dc.language.isoenen
dc.publisherAmer Medical Assocen
dc.rights©2011 American Medical Association. All rights reserved.en
dc.subjectAxons; Retinal Ganglion Cells; Animals; Rats; Rats, Sprague-Dawley; Optic Nerve Diseases; Ocular Hypertension; Diabetes Mellitus, Experimental; Hyperglycemia; Nerve Degeneration; Blood Glucose; Nerve Tissue Proteins; Tonometry, Ocular; Cell Count; Immunohistochemistry; Cell Survival; Intraocular Pressure; Cytoprotection; Biomarkersen
dc.titleProtection of retinal ganglion cells and the optic nerve during short-term hyperglycemia in experimental glaucomaen
dc.typeJournal articleen
dc.identifier.rmid0020113580en
dc.identifier.doi10.1001/archophthalmol.2011.269en
dc.relation.granthttp://purl.org/au-research/grants/nhmrc/626964en
dc.identifier.pubid27327-
pubs.library.collectionOpthalmology & Visual Sciences publicationsen
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidChidlow, G. [0000-0001-7371-0239]en
dc.identifier.orcidCasson, R. [0000-0003-2822-4076]en
Appears in Collections:Opthalmology & Visual Sciences publications

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