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Updated: Feb 27, 2026

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Morphometric Analyses of Retinal Sections
Published on: February 19, 2012
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Citicoline and Retinal Ganglion Cells: Effects on Morphology and Function
Vincenzo Parisi1, Francesco Oddone1, Lucia Ziccardi1
1IRCCS-Fondazione GB Bietti, Via Livenza, 3, 00198 Rome, Italy.
Current Neuropharmacology
|July 6, 2017
Summary
Citicoline (Cytidine 5-diphosphocholine) shows neuroprotective effects on retinal ganglion cells (RGCs). Studies indicate it reduces RGC degeneration and improves visual function in various eye conditions, supporting its use in neuroprotection.
Area of Science:
- Neuroscience
- Ophthalmology
- Pharmacology
Background:
- Retinal ganglion cells (RGCs) are crucial for vision and are affected in various neurological and ocular disorders.
- Neuroprotective strategies targeting RGCs are vital for treating vision loss.
- Citicoline (Cytidine 5-diphosphocholine) is an endogenous compound with potential neuromodulatory and RGC-protective effects.
Purpose of the Study:
- To review evidence on Citicoline's effects in experimental RGC degeneration models.
- To evaluate Citicoline's impact on human neurodegenerative disorders affecting RGCs.
Main Methods:
- Systematic review of published experimental and clinical studies.
- Analysis of research on Citicoline's effects on RGC morphology and function.
Main Results:
- Citicoline demonstrated antiapoptotic effects and prevented retinal nerve fiber layer thinning in animal models.
- Human studies showed reduced RGC impairment and improved visual field defects following Citicoline administration in conditions like glaucoma.
- Citicoline enhanced neural conduction in post-retinal visual pathways.
Conclusions:
- Citicoline exhibits significant neuroprotective properties for RGCs.
- It holds promise as a therapeutic agent for pathologies involving RGC morpho-functional changes, such as glaucoma.
- Further clinical application of Citicoline in neurodegenerative eye diseases is warranted.

