Chapter title |
Hypertonic Saline Injection Model of Experimental Glaucoma in Rats
|
---|---|
Chapter number | 2 |
Book title |
Glaucoma
|
Published in |
Methods in molecular biology, January 2018
|
DOI | 10.1007/978-1-4939-7407-8_2 |
Pubmed ID | |
Book ISBNs |
978-1-4939-7406-1, 978-1-4939-7407-8
|
Authors |
John C. Morrison, Elaine C. Johnson, William O. Cepurna, Morrison, John C., Johnson, Elaine C., Cepurna, William O. |
Abstract |
A reliable method of creating chronic elevation of intraocular pressure (IOP) in rodents is an important tool in reproducing and studying the mechanisms of optic nerve injury that occur in glaucoma. In addition, such a model could provide a valuable method for testing potential neuroprotective treatments. This paper outlines the basic methods for producing obstruction of aqueous humor outflow and IOP elevation by injecting hypertonic saline (a sclerosant) into the aqueous outflow pathway. This is one of several rodent glaucoma models in use today. In this method, a plastic ring is placed around the equator of the eye to restrict injected saline to the limbus. By inserting a small glass microneedle in an aqueous outflow vein in the episclera and injecting hypertonic saline toward the limbus, the saline is forced into Schlemm's canal and across the trabecular meshwork. The resultant inflammation and scarring of the anterior chamber angle occurs gradually, resulting in a rise in IOP after approximately 1 week. This article will describe the equipment necessary for producing this model and the steps of the technique itself. |
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Student > Bachelor | 2 | 13% |
Other | 1 | 7% |
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Student > Ph. D. Student | 1 | 7% |
Other | 1 | 7% |
Unknown | 6 | 40% |
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Medicine and Dentistry | 1 | 7% |
Other | 1 | 7% |
Unknown | 6 | 40% |