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  • Title: In Vitro Antiviral Activity of Kalanchoe daigremontiana Extract against Human Herpesvirus Type 1.
    Author: Chodkowski M, Nowak S, Janicka M, Sobczak M, Granica S, Bańbura MW, Krzyzowska M, Cymerys J.
    Journal: Int J Mol Sci; 2024 Jul 09; 25(14):. PubMed ID: 39062750.
    Abstract:
    Plant polyphenols possess diverse bioactivities, including antiviral activity against a broad spectrum of viruses. Here, we investigated the virucidal properties of an Kalanchoe daigremontiana extract using an in vitro model of human herpesvirus type 1 (HHV-1) infection. Chromatographic analysis indicated that the extract of Kalanchoe daigremontiana is rich in various compounds, among which are polyphenols with virucidal activity confirmed in the literature. We found that Kalanchoe daigremontiana extract shows an ability to prevent HHV-1 infection by direct inhibition of the virus attachment, penetration, and blocking of infection when used in pretreatment or post-entry treatment. Our results indicate that Kalanchoe daigremontiana extract may be a good candidate drug against HHV-1, both as a substance to prevent infection and to treat an already ongoing infection. Our findings illustrate that Kalanchoe daigremontiana could be a potential new candidate for clinical consideration in the treatment of HHV-1 infection alone or in combination with other therapeutics.
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