Jingmin Gu, Jing Zuo, Liancheng Lei, Honglei Zhao, Changjiang Sun, Xin Feng, Chongtao Du, Xinwei Li, Yongjun Yang, Wenyu Han
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引用次数: 28
Abstract
The endolysin LysGH15, derived from staphylococcal phage GH15, has a wide lytic spectrum and strong lytic activity against Staphylococcus aureus, especially methicillin-resistant S. aureus (MRSA), in vitro and in vivo. Here, the ability of lethal MRSA to induce mRNA levels of interleukin-6 (IL-6), interleukin-4 (IL-4), and interferon-γ (IFN-γ) in spleen tissues of mice was studied. A large number of bacteria were detected in spleens. The bacteria caused elevated expression levels of these three cytokines. Administration of LysGH15 significantly reduced the number of bacteria and the levels of IL-6, IL-4, and IFN-γ mRNA in spleen cells compared with those in untreated mice at 24 h (P < 0.05). LysGH15 can eliminate a large number of bacteria and effectively alleviate inflammation induced by infection with lethal MRSA.
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