ArticleBMC complementary and alternative medicine2019
In vitro and in silico anti-dengue activity of compounds obtained from Psidium guajava through bioprospecting.
Article in BMC complementary and alternative medicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.
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37 citing papers in PubMed.
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- The Multifaceted Benefits of Triphala: Uncovering Phytochemical and Pharmacological Properties From Antiquity to Modern Times.Chemistry & biodiversity · 2026Review
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- Parallel In Vitro and In Silico Studies of the Anti-Inflammatory Activity of Bioactive Compounds Found in Different Ethanolic Extracts of Bracts fromPharmaceuticals (Basel, Switzerland) · 2025Article
- Antiviral Activity of Halogenated Compounds Derived from L-Tyrosine Against SARS-CoV-2.Molecules (Basel, Switzerland) · 2025Article
- Exploring plant-based dengue therapeutics: from laboratory to clinic.Tropical diseases, travel medicine and vaccines · 2024Article
- Computational Advancement towards the Identification of Natural Inhibitors for Dengue Virus: A Brief Review.Combinatorial chemistry & high throughput screening · 2024Review
- Harnessing Natural Resources for Advancements in Dengue Virus Treatment.Current topics in medicinal chemistry · 2024Review
- A knowledge-guided pre-training framework for improving molecular representation learning.Nature communications · 2023Article
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- A Concise Profile of Gallic Acid-From Its Natural Sources through Biological Properties and Chemical Methods of Determination.Molecules (Basel, Switzerland) · 2023Review
- Quercetin: A Functional Food-Flavonoid Incredibly Attenuates Emerging and Re-Emerging Viral Infections through Immunomodulatory Actions.Molecules (Basel, Switzerland) · 2023Review
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- Inhibitory Potential of Chromene Derivatives on Structural and Non-Structural Proteins of Dengue Virus.Viruses · 2022Review
- Targeting the DENV NS2B-NS3 protease with active antiviral phytocompounds: structure-based virtual screening, molecular docking and molecular dynamics simulation studies.Journal of molecular modeling · 2022Article
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- Virtual screening of Indonesian herbal compounds as COVID-19 supportive therapy: machine learning and pharmacophore modeling approaches.BMC complementary medicine and therapies · 2022Article
- Therapeutic Potential of Medicinal Plants against Dengue Infection: A Mechanistic Viewpoint.ACS omega · 2022Review
- Studies on the antiviral activity of chebulinic acid against dengue and chikungunya viruses and in silico investigation of its mechanism of inhibition.Scientific reports · 2022Article
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6 authors.
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Abstract
backgroundFor decades, bioprospecting has proven to be useful for the identification of compounds with pharmacological potential. Considering the great diversity of Colombian plants and the serious worldwide public health problem of dengue-a disease caused by the dengue virus (DENV)-in the present study, we evaluated the anti-DENV effects of 12 ethanolic extracts derived from plants collected in the Colombian Caribbean coast, and 5 fractions and 5 compounds derived from Psidium guajava.
methodsThe cytotoxicity and antiviral effect of 12 ethanolic extracts derived from plants collected in the Colombian Caribbean coast was evaluated in epithelial VERO cells. Five fractions were obtained by open column chromatography from the ethanolic extract with the highest selectivity index (SI) (derived from P. guajava, SI: 128.2). From the fraction with the highest selectivity (Pg-YP-I-22C, SI: 35.5), five compounds were identified by one- and two-dimensional nuclear magnetic resonance spectroscopy. The antiviral effect in vitro of the fractions and compounds was evaluated by different experimental strategies (Pre- and post-treatment) using non-toxic concentrations calculated by MTT method. The DENV inhibition was evaluated by plate focus assay. The results were analyzed by means of statistical analysis using Student's t-test. Finally the antiviral effect in Silico was evaluated by molecular docking.
resultsIn vitro evaluation of these compounds showed that three of them (gallic acid, quercetin, and catechin) were promising antivirals as they inhibit the production of infectious viral particles via different experimental strategies, with the best antiviral being catechin (100% inhibition with a pre-treatment strategy and 91.8% with a post-treatment strategy). When testing the interactions of these compounds with the viral envelope protein in silico by docking, only naringin and hesperidin had better scores than the theoretical threshold of - 7.0 kcal/mol (- 8.0 kcal/mol and - 8.2 kcal/mol, respectively). All ligands tested except gallic acid showed higher affinity to the NS5 protein than the theoretical threshold.
conclusionEven though bioprospecting has recently been replaced by more targeted tools for identifying compounds with pharmacological potential, our results show it is still useful for this purpose. Additionally, combining in vitro and in silico evaluations allowed us to identify promising antivirals as well as their possible mechanisms of action.
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