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Updated: Jun 25, 2026

Glaucoma-inducing Procedure in an In Vivo Rat Model and Whole-mount Retina Preparation
Published on: March 12, 2016
New prostaglandin derivative for glaucoma treatment
Elena Perrino1, Caterina Uliva, Cecilia Lanzi
1Istituto di Chimica Farmaceutica e Tossicologica 'Pietro Pratesi', University of Milan, Via Mangiagalli 25, 20133 Milan, Italy.
A novel hydrogen sulfide-releasing latanoprost derivative (ACS 67) effectively lowered intraocular pressure in vivo. This compound also increased glutathione and cGMP, suggesting potential neuroprotective benefits for glaucoma treatment.
Area of Science:
- Ophthalmology
- Pharmacology
- Neuroscience
Background:
- Glaucoma is a leading cause of irreversible blindness worldwide.
- Current treatments aim to reduce intraocular pressure (IOP) but have limitations.
- Hydrogen sulfide (H2S) is an endogenous gasotransmitter with potential therapeutic roles.
Purpose of the Study:
- To synthesize and evaluate a novel hydrogen sulfide-releasing derivative of latanoprost acid (ACS 67).
- To assess the efficacy of ACS 67 in reducing intraocular pressure (IOP) in vivo.
- To investigate the effects of ACS 67 on glutathione (GSH) and cyclic guanosine monophosphate (cGMP) levels in aqueous humor and evaluate its tolerability.
Main Methods:
- Synthesis of ACS 67, a latanoprost acid derivative designed to release hydrogen sulfide.
- In vivo testing in an appropriate animal model to measure IOP reduction.
- Quantification of glutathione (GSH) and cGMP content in aqueous humor post-treatment.
- Assessment of the compound's tolerability.
Main Results:
- ACS 67 demonstrated significant reduction in intraocular pressure (IOP).
- Treatment with ACS 67 led to a marked increase in aqueous humor glutathione (GSH) and cGMP levels.
- The compound exhibited good tolerability in the in vivo model.
Conclusions:
- ACS 67 is a promising new therapeutic agent for lowering IOP.
- The observed increases in GSH and cGMP suggest potential neuroprotective mechanisms.
- This study represents the first report of a hydrogen sulfide-releasing molecule for treating ocular diseases, offering a novel therapeutic strategy for glaucoma.
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