{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,7]],"date-time":"2026-05-07T00:44:51Z","timestamp":1778114691360,"version":"3.51.4"},"reference-count":35,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2020,1,1]],"date-time":"2020-01-01T00:00:00Z","timestamp":1577836800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2020,1,1]],"date-time":"2020-01-01T00:00:00Z","timestamp":1577836800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Microbial Drug Resistance"],"published-print":{"date-parts":[[2020,1,1]]},"abstract":"<jats:p>\n                    Multidrug resistance (MDR) is an increasing public health concern worldwide. Artesunate (ART) has been reported to be significantly effective in enhancing the effectiveness of various \u03b2-lactam antibiotics against MDR\n                    <jats:italic toggle=\"yes\">Escherichia coli<\/jats:italic>\n                    via inhibiting the efflux pump genes. Apart from \u03b2-lactam antibiotics, there is no report regarding the potential synergistic effects of ART combining with fluoroquinolones (FQs). In this study, we investigated whether ART can enhance the antibacterial effects of FQs\n                    <jats:italic toggle=\"yes\">in vitro<\/jats:italic>\n                    . The antibacterial activity of ART and antibiotics against 13 animal-derived\n                    <jats:italic toggle=\"yes\">E. coli<\/jats:italic>\n                    clinical isolates was assessed for screening MDR strains. Then the synergistic activity of FQs with ART against MDR\n                    <jats:italic toggle=\"yes\">E. coli<\/jats:italic>\n                    isolates was evaluated. Daunorubicin (DNR) accumulation within\n                    <jats:italic toggle=\"yes\">E. coli<\/jats:italic>\n                    and messenger RNA (mRNA) expressions of\n                    <jats:italic toggle=\"yes\">acrA<\/jats:italic>\n                    ,\n                    <jats:italic toggle=\"yes\">acrB<\/jats:italic>\n                    ,\n                    <jats:italic toggle=\"yes\">tolC<\/jats:italic>\n                    , and\n                    <jats:italic toggle=\"yes\">qnr<\/jats:italic>\n                    genes were investigated. The results showed that ART did not show significant antimicrobial activity. However, a dramatically synergistic activity of ART combining with FQs was obsessed with (\u03a3FIC)\u2009=\u20090.12\u20130.33. ART increased the DNR accumulation and reduced acrAB-tolC mRNA expression, but enhanced the mRNA expression of\n                    <jats:italic toggle=\"yes\">qnrS<\/jats:italic>\n                    and\n                    <jats:italic toggle=\"yes\">qnrB<\/jats:italic>\n                    within MDR\n                    <jats:italic toggle=\"yes\">E. coli<\/jats:italic>\n                    isolates. These findings suggest that ART can potentiate FQs activity which may be associated with drug accumulation by inhibiting the expression of acrAB-tolC.\n                  <\/jats:p>","DOI":"10.1089\/mdr.2018.0463","type":"journal-article","created":{"date-parts":[[2019,11,18]],"date-time":"2019-11-18T14:21:03Z","timestamp":1574086863000},"page":"81-88","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":20,"title":["Synergistic Activity of Fluoroquinolones Combining with Artesunate Against Multidrug-Resistant\n                    <i>Escherichia coli<\/i>"],"prefix":"10.1177","volume":"26","author":[{"given":"SiMin","family":"Wei","sequence":"first","affiliation":[{"name":"Department of Clinical Veterinary Medicine, School of Veterinary Medicine, Yangzhou University, Yangzhou, P.R. China."},{"name":"Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, P.R. China."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"YueFei","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Clinical Veterinary Medicine, School of Veterinary Medicine, Yangzhou University, Yangzhou, P.R. China."},{"name":"Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, P.R. China."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wei","family":"Tian","sequence":"additional","affiliation":[{"name":"Department of Clinical Veterinary Medicine, School of Veterinary Medicine, Yangzhou University, Yangzhou, P.R. China."},{"name":"Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, P.R. China."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"MingJiang","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Clinical Veterinary Medicine, School of Veterinary Medicine, Yangzhou University, Yangzhou, P.R. China."},{"name":"Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, P.R. China."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"ShaoJie","family":"Yin","sequence":"additional","affiliation":[{"name":"Department of Clinical Veterinary Medicine, School of Veterinary Medicine, Yangzhou University, Yangzhou, P.R. China."},{"name":"Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, P.R. China."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"JinGui","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Clinical Veterinary Medicine, School of Veterinary Medicine, Yangzhou University, Yangzhou, P.R. China."},{"name":"Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, P.R. 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