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Molecular wipes: application to epidemic keratoconjuctivitis
Karolina Aplander1, Marko Marttila, Sophie Manner
1Center for Analysis and Synthesis, Chemical Center, Lund University, P.O. Box 124, SE-221 00 Lund, Sweden.
Journal of Medicinal Chemistry
|August 16, 2011
Summary
New sialic acid constructs effectively inhibit adenovirus binding and infectivity, offering a potential topical treatment for epidemic keratoconjunctivitis (EKC). This research targets viral aggregation to prevent eye infections.
Area of Science:
- Ophthalmology
- Virology
- Materials Science
Background:
- Epidemic keratoconjunctivitis (EKC) is a severe ocular disease caused by Adenoviridae (Ad) with no current vaccines or antiviral treatments.
- Adenovirus uses sialic acid as a cellular receptor for infection, and soluble sialic acid molecules can inhibit this process.
Purpose of the Study:
- To synthesize and evaluate multivalent sialic acid constructs for their efficacy in inhibiting Adenovirus binding and infectivity.
- To explore a novel therapeutic strategy for adenovirus-caused EKC.
Main Methods:
- Synthesis of multivalent sialic acid constructs based on 10,12-pentacosadiynoic acid (PDA).
- Assay of Adenovirus binding inhibition and infectivity inhibition using the synthesized constructs.
- Determination of IC50 values for inhibition of binding and infectivity.
Main Results:
- Synthesized PDA-based sialic acid constructs demonstrated potent inhibition of Adenovirus binding (IC50 = 0.9 μM) and infectivity (IC50 = 0.7 μM).
- The mechanism involves the aggregation of virus particles, preventing their attachment to ocular cells.
Conclusions:
- Multivalent sialic acid constructs are effective inhibitors of Adenovirus infection.
- These formulations represent a promising approach for the topical treatment of EKC and other adenovirus-related ocular diseases.
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