Therapeutic potentials of aspirin in glaucomatous optic neuropathy

Medical Hypotheses
Abbas AttarzadehSarah Nowroozizadeh

Abstract

Glaucoma is a common blinding disease worldwide. Although traditionally considered as a disease of elevated intraocular pressure, it is now clear that glaucoma is primarily a distinctive optic neuropathy with many proposed pathogenic mechanisms. Impaired blood flow resulting in ischemia has been proposed to be involved in the retinal ganglion cell loss seen in glaucoma. Aspirin might improve optic nerve head perfusion by stabilizing microcirculatory flow. Evidence also indicates that apoptosis may be the final common pathway for ganglion cell death in glaucoma. Aspirin has been shown to exhibit neuroprotective properties. Prostaglandins play an important role in the regulation of intraocular pressure. Aspirin is well known to inhibit cyclooxygenase mediated prostaglandin synthesis. The NSAID-inhibition of PGs synthesis up-regulates the concentration prostaglandin receptors in retinovascular tissues. Based on the body of evidence implicating ocular blood flow disturbances, apoptotic cell death, and also the role of prostaglandins in the pathogenesis of glaucoma we hypothesize that aspirin could be potentially useful drugs in the treatment of glaucoma. Hypothetical pathophysiologic mechanisms explaining potential beneficial effec...Continue Reading

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Citations

Jun 18, 2014·Journal of Ocular Pharmacology and Therapeutics : the Official Journal of the Association for Ocular Pharmacology and Therapeutics·Anat FleischmanOrna Geyer

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Apoptosis

Apoptosis is a specific process that leads to programmed cell death through the activation of an evolutionary conserved intracellular pathway leading to pathognomic cellular changes distinct from cellular necrosis

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