ArticleAntimicrobial agents and chemotherapy2021
Structural Insights into the Mechanisms of Action of Functionally Distinct Classes of Chikungunya Virus Nonstructural Protein 1 Inhibitors.
Article in Antimicrobial agents and chemotherapy, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 17 citations in OpenAlex.
- Recent progress in anti-Chikungunya virus drug discovery: Focus on the viral life cycle and direct-acting antivirals.Virologica Sinica · 2026Review
- Review
- Recent advances in antiviral drugs for Chikungunya virus (CHIKV): Targets, mechanisms, and development strategies.Acta pharmaceutica Sinica. B · 2026Review
- Discovery of BPR2-D2 compound in inhibiting Chikungunya viral RNA synthesis by replicon systems.Biomedical journal · 2026Article
- Chikungunya in 2025: Comprehensive Insights into Virology, Diagnostics, Vaccines, and Antiviral Therapies.Viruses · 2026Review
- Chlorinated biscoumarins inhibit chikungunya virus replication in cell-based and animal models.Emerging microbes & infections · 2025Article
- Advances in antiviral strategies targeting mosquito-borne viruses: cellular, viral, and immune-related approaches.Virology journal · 2025Review
- Advances in the Development of Non-Structural Protein 1 (NsP1) Inhibitors for the Treatment of Chikungunya Virus Infection.Mini reviews in medicinal chemistry · 2024Review
- Article
- The 8-bromobaicalein alleviated chikungunya-induced musculoskeletal inflammation and reduced the viral load in healthy adult mice.Emerging microbes & infections · 2023Article
- A review on structural genomics approach applied for drug discovery against three vector-borne viral diseases: Dengue, Chikungunya and Zika.Virus genes · 2022Review
- Chemical biology and medicinal chemistry of RNA methyltransferases.Nucleic acids research · 2022Article
Corrections and comments
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Authors and funding
15 authors at 8 institutions in 6 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Chikungunya virus (CHIKV) nonstructural protein 1 (nsP1) harbors the methyltransferase (MTase) and guanylyltransferase (GTase) activities needed for viral RNA capping and represents a promising antiviral drug target. We compared the antiviral efficacies of nsP1 inhibitors belonging to the MADTP, CHVB, and FHNA series (6'-fluoro-homoneplanocin A [FHNA], its 3'-keto form, and 6'-β-fluoro-homoaristeromycin). Cell-based phenotypic cross-resistance assays revealed that the CHVB and MADTP series had similar modes of action that differed from that of the FHNA series. In biochemical assays with purified Semliki Forest virus and CHIKV nsP1, CHVB compounds strongly inhibited MTase and GTase activities, while MADTP-372 had a moderate inhibitory effect. FHNA did not directly inhibit the enzymatic activity of CHIKV nsP1. The first-of-their-kind molecular-docking studies with the cryo-electron microscopy (cryo-EM) structure of CHIKV nsP1, which is assembled into a dodecameric ring, revealed that the MADTP and CHVB series bind at the
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