Resveratrol inhibits African swine fever virus replication via the Nrf2-mediated reduced glutathione and antioxidative activities
文献类型： 外文期刊
作者： Liu, Di 1 ; Li, Lian-Feng 1 ; Zhai, Huanjie 1 ; Wang, Tao 1 ; Lan, Jing 1 ; Cao, Mengxiang 1 ; Yao, Meng 1 ; Wang, Yijing 1 ; Li, Jia 1 ; Song, Xin 1 ; Sun, Yuan 1 ; Qiu, Hua-Ji 1 ;
作者机构： 1.Chinese Acad Agr Sci, Harbin Vet Res Inst, State Key Lab Anim Dis Control & Prevent, Harbin 150069, Peoples R China
2.Shanxi Agr Univ, Coll Vet Med, Taigu, Peoples R China
3.Yangtze Univ, Coll Anim Sci & Technol, Jingzhou, Peoples R China
4.Heilongjiang Bayi Agr Univ, Coll Anim Sci & Vet Med, Daqing 163316, Peoples R China
关键词： African swine fever virus; oxidative stress; Nrf2 signaling pathway; resveratrol; antiviral activity
期刊名称：EMERGING MICROBES & INFECTIONS （ 影响因子：7.5； 五年影响因子：7.2 ）
ISSN：
年卷期： 2025 年 14 卷 1 期
页码：
收录情况： SCI
摘要： African swine fever (ASF) is a highly contagious and severe infectious disease caused by African swine fever virus (ASFV). The disease significantly threatens the sustainable development of the global pig industry. Unfortunately, to date, no safe and efficacious vaccines are commercially available except in Vietnam. Antioxidative stress is a critical factor in antiviral strategies. In this study, we show that ASFV infection elevates the level of reactive oxygen species (ROS) and suppresses the nuclear factor erythroid 2-related factor 2 (Nrf2) signaling pathway in vitro and in vivo. Moreover, overexpressing Nrf2 can significantly inhibit ASFV replication. Through high-throughput screening of natural small molecules against ASFV, we identify resveratrol (RES), an Nrf2 activator, as a compound capable of inducing the cellular antiviral responses and effectively inhibiting ASFV replication in primary porcine alveolar macrophages (PAMs). Notably, untargeted metabolomics profiling reveals that glutathione emerges as a primary differential metabolite related to the antiviral activities of RES against ASFV. Mechanistically, RES exerts its antiviral effects and attenuates the elevated level of ROS caused by ASFV infection by inducing the production of reduced glutathione (GSH) via the activation of the Nrf2 signaling pathway. In conclusion, RES exhibits broad efficacy as a potentially effective compound for inhibiting ASFV infection and alleviating the oxidative stress induced by ASFV infection via the Nrf2 signaling pathway.
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