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Pharmacol."],"abstract":"<jats:p>Regardless of the clinical impact of human adenovirus (HAdV) infections in the healthy population and its high morbidity in immunosuppressed patients, a specific treatment is still not yet available. In this study, we screened the CM1407 COST Action\u2019s chemical library, comprising 1,233 natural products to identify compounds that restrict HAdV infection. Among them, we identified rotenolone, a compound that significantly inhibited HAdV infection. Next, we selected four isoflavonoid-type compounds (e.g., rotenone, deguelin, millettone, and tephrosin), namely rotenoids, structurally related to rotenolone in order to evaluate and characterized <jats:italic>in vitro<\/jats:italic> their antiviral activities against HAdV and human cytomegalovirus (HCMV). Their IC<jats:sub>50<\/jats:sub> values for HAdV ranged from 0.0039\u00a0\u00b5M for rotenone to 0.07\u00a0\u00b5M for tephrosin, with selective indices ranging from 164.1 for rotenone to 2,429.3 for deguelin. In addition, the inhibition of HCMV replication ranged from 50% to 92.1% at twice the IC<jats:sub>50<\/jats:sub> concentrations obtained in the plaque assay for each compound against HAdV. Our results indicated that the mechanisms of action of rotenolone, deguelin, and tephrosin involve the late stages of the HAdV replication cycle. However, the antiviral mechanism of action of rotenone appears to involve the alteration of the microtubular polymerization, which prevents HAdV particles from reaching the nuclear membrane of the cell. These isoflavonoid-type compounds exert high antiviral activity against HAdV at nanomolar concentrations, and can be considered strong hit candidates for the development of a new class of broad-spectrum antiviral drugs.<\/jats:p>","DOI":"10.3389\/fphar.2023.1293296","type":"journal-article","created":{"date-parts":[[2024,1,11]],"date-time":"2024-01-11T05:13:10Z","timestamp":1704949990000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":5,"title":["Inhibition of adenovirus transport from the endosome to the cell nucleus by rotenone"],"prefix":"10.3389","volume":"14","author":[{"given":"Mar\u00eda","family":"Balsera-Manzanero","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francesca","family":"Ghirga","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ana","family":"Ruiz-Molina","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mattia","family":"Mori","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jer\u00f3nimo","family":"Pach\u00f3n","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bruno","family":"Botta","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elisa","family":"Cordero","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Deborah","family":"Quaglio","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Javier","family":"S\u00e1nchez-C\u00e9spedes","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1965","published-online":{"date-parts":[[2024,1,11]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"106046","DOI":"10.1016\/j.ijantimicag.2020.106046","article-title":"In vitro co-infection by cytomegalovirus improves the antiviral activity of ganciclovir against human adenovirus","volume":"56","author":"Aguilar-Guisado","year":"2020","journal-title":"Int. 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