Department of Microbiology and Public Health, Faculty of Animal Science and Veterinary Medicine, Patuakhali Science and Technology University, Barishal 8210, Bangladesh.
Department of Microbiology and Cell Biology, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan.
Int J Mol Sci. 2024 May 29;25(11):5909. doi: 10.3390/ijms25115909.
Influenza A viruses (IAVs) pose a significant global threat to human health. A tightly controlled host immune response is critical to avoid any detrimental effects of IAV infection. It is critical to investigate the association between the response of Toll-like receptors (TLRs) and influenza virus. Because TLRs may act as a double-edged sword, a balanced TLR response is critical for the overall benefit of the host. Consequently, a thorough understanding of the TLR response is essential for targeting TLRs as a novel therapeutic and prophylactic intervention. To date, a limited number of studies have assessed TLR and IAV interactions. Therefore, further research on TLR interactions in IAV infection should be conducted to determine their role in host-virus interactions in disease causation or clearance of the virus. Although influenza virus vaccines are available, they have limited efficacy, which should be enhanced to improve their efficacy. In this study, we discuss the current status of our understanding of the TLR response in IAV infection and the strategies adopted by IAVs to avoid TLR-mediated immune surveillance, which may help in devising new therapeutic or preventive strategies. Furthermore, recent advances in the use of TLR agonists as vaccine adjuvants to enhance influenza vaccine efficacy are discussed.
甲型流感病毒(IAV)对全球人类健康构成重大威胁。宿主免疫系统的严格控制对于避免 IAV 感染的任何有害影响至关重要。研究 Toll 样受体(TLR)与流感病毒之间的关联非常重要。因为 TLR 可能是一把双刃剑,所以平衡的 TLR 反应对于宿主的整体益处至关重要。因此,深入了解 TLR 反应对于将 TLR 作为一种新的治疗和预防干预措施至关重要。迄今为止,只有少数研究评估了 TLR 和 IAV 的相互作用。因此,应该进一步研究 TLR 在 IAV 感染中的相互作用,以确定它们在疾病发病或清除病毒中宿主-病毒相互作用中的作用。尽管有流感病毒疫苗,但它们的效果有限,应加以增强以提高其效果。在这项研究中,我们讨论了我们目前对 IAV 感染中 TLR 反应的理解以及 IAV 采用的避免 TLR 介导的免疫监视的策略,这可能有助于制定新的治疗或预防策略。此外,还讨论了最近使用 TLR 激动剂作为疫苗佐剂来增强流感疫苗效果的进展。
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