ArticleScientific reports2015
Antiviral Phosphorodiamidate Morpholino Oligomers are Protective against Chikungunya Virus Infection on Cell-based and Murine Models.
Article in Scientific reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 16 citations in OpenAlex.
- Antiviral Activity of Synthetic Bis-Naphthoquinone (H-5) against Chikungunya Virus Replication.Current topics in medicinal chemistry · 2026Article
- Chemical strategies for antisense antibiotics.Chemical Society reviews · 2024Review
- Chikungunya Virus Diagnosis: A Review of Current Antigen Detection Methods.Tropical medicine and infectious disease · 2023Review
- Peptide-Conjugated Phosphorodiamidate Morpholino Oligomers for In Situ Live-Cell Molecular Imaging of Dengue Virus Replication.International journal of molecular sciences · 2020Article
- Review
- Cellular and Molecular Immune Response to Chikungunya Virus Infection.Frontiers in cellular and infection microbiology · 2018Review
- Vaccine and Therapeutic Options To Control Chikungunya Virus.Clinical microbiology reviews · 2018Review
- Antisense Phosphorodiamidate Morpholino Oligomers as Novel Antiviral Compounds.Frontiers in microbiology · 2018Review
- Antisense antimicrobial therapeutics.Current opinion in microbiology · 2016Review
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Chikungunya virus (CHIKV) infection in human is associated with debilitating and persistent arthralgia and arthritis. Currently, there is no specific vaccine or effective antiviral available. Anti-CHIKV Phosphorodiamidate Morpholino Oligomer (CPMO) was evaluated for its antiviral efficacy and cytotoxcity in human cells and neonate murine model. Two CPMOs were designed to block translation initiation of a highly conserved sequence in CHIKV non-structural and structural polyprotein, respectively. Pre-treatment of HeLa cells with CPMO1 significantly suppressed CHIKV titre, CHIKV E2 protein expression and prevented CHIKV-induced CPE. CPMO1 activity was also CHIKV-specific as shown by the lack of cross-reactivity against SINV or DENV replication. When administered prophylactically in neonate mice, 15 μg/g CPMO1v conferred 100% survival against CHIKV disease. In parallel, these mice demonstrated significant reduction in viremia and viral load in various tissues. Immunohistological examination of skeletal muscles and liver of CPMO1v-treated mice also showed healthy tissue morphology, in contrast to evident manifestation of CHIKV pathogenesis in PBS- or scrambled sCPMO1v-treated groups. Taken together, our findings highlight for the first time that CPMO1v has strong protective effect against CHIKV infection. This warrants future development of morpholino as an alternative antiviral agent to address CHIKV infection in clinical applications.
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