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肠道微生物与病毒感染的相互作用机制已成为当前感染性疾病研究的重要领域。随着肠道菌群在维持机体健康中的作用日益明确,其在病毒感染过程中的调控功能逐渐受到关注。外科手术患者由于肠道微生态易受手术应激、麻醉及抗生素干预等因素影响,其病毒感染特征与普通人群存在显著差异。本文围绕肠道细菌对病毒感染的促进作用,系统综述了直接与间接两类作用机制。直接机制包括细菌表面成分增强病毒颗粒稳定性及其与宿主细胞受体的结合效率;间接机制涉及菌群对干扰素信号通路、抗体产生及免疫耐受环境的调节作用。通过对现有研究证据的综合分析,本文旨在深化对病毒-细菌-宿主三方相互作用的理解,并为相关感染疾病的防治策略提供理论参考。
Abstract:Interactions between the gut microbiota and viral infections have become a major focus in contemporary infectious disease research. As the role of the intestinal microbiota in maintaining host health has become increasingly clear, its regulatory functions in the process of viral infection have gradually attracted attention. In surgical patients, the intestinal microecological balance is susceptible to surgical stress, anesthesia, and antibiotic exposure, resulting in viral infection profiles that are significantly different from those of the general population. This article focuses on the promotive effects of intestinal bacteria on viral infections and systematically summarizes direct and indirect mechanisms of interaction. The direct mechanisms include the surface components of bacteria enhancing the stability of viral particles and increasing viral binding efficiency to host cell receptors; indirect mechanisms involve the regulatory effects of the microbiota on interferon signaling pathways, antibody production, and the establishment of an immune-tolerant environment. Through a comprehensive analysis of the existing research evidence, this review aims to deepen the understanding of the interaction among viruses, bacteria, and hosts, and to provide a theoretical basis for the prevention and treatment strategies of related infectious diseases.
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基本信息:
中图分类号:R512.5;R574
引用信息:
[1]唐人敬,李国强,赵丽君.肠道病毒感染与细菌的作用机制研究现状[J].病毒学报().
2026-02-24
2026-02-24
2026-02-24