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Due to drug resistance and side effects of the conventional antiviral drugs, repurposing the available natural compounds with high tolerability and fewer side effects has attracted researchers\u2019 attention. The aim of this study was to screen in vitro anti-influenza activity of three anionic compounds ascorbate, acetate, and citrate.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>The non-cytotoxic concentration of the compounds was determined by MTT assay and examined for the activity against IAV in simultaneous, pre-, and post-penetration combination treatments over 1\u00a0h incubation on Madin-Darby Canine Kidney (MDCK) cell line. The virus titer and viral load were determined using hemagglutination assay (HA) and qPCR, respectively. Few pro-inflammatory and anti-inflammatory cytokines were evaluated at RNA and protein levels by qPCR and ELISA, respectively.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>The non-cytotoxic concentrations of the ascorbate (200\u00a0mg\/ml), acetate and citrate (both 3\u00a0mg\/ml) reduced the viral titer by 6.5, 4.5, and 1.5 logs in the simultaneous combination treatment. The M protein gene copy number decreased significantly in simultaneous treatment (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.01). The expression of cytokines was also affected by the treatment of these compounds.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>These anionic compounds could affect the influenza virus load, thereby reducing pro-inflammatory cytokines and increasing anti-inflammatory cytokines levels.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12985-022-01823-0","type":"journal-article","created":{"date-parts":[[2022,5,23]],"date-time":"2022-05-23T11:04:25Z","timestamp":1653303865000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["In vitro anti-influenza assessment of anionic compounds ascorbate, acetate and citrate"],"prefix":"10.1186","volume":"19","author":[{"given":"Hadiseh","family":"Shokouhi Targhi","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Parvaneh","family":"Mehrbod","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fatemeh","family":"Fotouhi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mehriar","family":"Amininasab","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2022,5,23]]},"reference":[{"key":"1823_CR1","doi-asserted-by":"publisher","first-page":"D49","DOI":"10.1016\/j.vaccine.2008.07.039","volume":"26","author":"NM Bouvier","year":"2008","unstructured":"Bouvier NM, Palese P. 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