Taurultam shows antiviral activity against SARS-CoV-2 and influenza virus

文献类型： 外文期刊

第一作者： Luo, Rongbo

作者： Luo, Rongbo;Shen, Beilei;Qian, Bingshuo;Fan, Lingjun;Zhang, Junkui;Deng, Xiuwen;Sun, Yan;Zhang, Shijun;Wang, Tiecheng;Li, Yuanguo;Sun, Weiyang;Gao, Yuwei;Qian, Bingshuo;Zhang, Junkui;Pang, Xiaobin;Gao, Yuwei;Fan, Lingjun;Gao, Yuwei;Deng, Xiuwen;Zhang, Shijun;Gao, Yuwei;Sun, Yan;Gao, Yuwei;Wang, Tiecheng;Sun, Weiyang;Gao, Yuwei;Zhong, Wu

作者机构：

关键词： SARS-CoV-2; Influenza virus; Antiviral; Lung injury; Taurultam; Taurolidine metabolite

期刊名称：BMC MICROBIOLOGY （ 影响因子：4.2； 五年影响因子：4.8 ）

ISSN： 1471-2180

年卷期： 2025 年 25 卷 1 期

页码：

收录情况： SCI

摘要： BackgroundSARS-CoV-2 and influenza virus are highly contagious respiratory viruses that continuously pose major threats to human and public health. The high frequency of viral mutations led to the emergence of resistant isolates and caused virus epidemics repeatedly, emphasizing the urgent need to develop new antivirals. Taurultam is a metabolite of taurolidine. Moreover, taurolidine has been shown to have potent antiviral activities against multiple viruses and to have antiviral effects through its metabolites.ResultsIn this study, we sought to determine the antiviral activities of taurultam against SARS-CoV-2 and influenza virus in Vero-E6, Huh7, 293T-ACE2, and MDCK cell lines and mouse infection models. The results showed that taurultam exhibited potent antiviral activity against multiple SARS-CoV-2 variants, influenza A (H1N1, H3N2) virus and influenza B virus, in vitro. Moreover, in influenza A (H1N1) virus, influenza B virus and SARS-CoV-2 infection models, taurultam significantly reduced viral loads, increased survival, improved mouse body weight and lung injury. Surprisingly, taurultam treatment not only inhibited the influenza A virus and SARS-CoV-2, but also benefited for therapy of mixed infection of these two viruses in vitro, demonstrating the great antiviral potential of taurultam for the treatment of SARS-CoV-2 and influenza virus infections.ConclusionsTogether, our findings identify taurultam as a new candidate for the treatment of SARS-CoV-2 and influenza virus infections, especially virus-induced lung pathology.Clinical trial numberNot applicable.

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