期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 23, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/ijms23042311
关键词
bacterial-viral co-infection; signal transmission; neuroimmunity; nutritional immunity; intestinal microbiome
Bacteria and viruses frequently co-infect the intestines, and one pathogen's infection can directly or indirectly affect the severity of infection by another pathogen. The presence of co-infection can lead to synergistic or antagonistic effects, which can impact the progression of the disease. This review discusses different scenarios triggered by different infection orders and summarizes the possible mechanisms of synergy or antagonism involved in co-infection.
Bacteria and viruses are both important pathogens causing intestinal infections, and studies on their pathogenic mechanisms tend to focus on one pathogen alone. However, bacterial and viral co-infections occur frequently in clinical settings, and infection by one pathogen can affect the severity of infection by another pathogen, either directly or indirectly. The presence of synergistic or antagonistic effects of two pathogens in co-infection can affect disease progression to varying degrees. The triad of bacterial-viral-gut interactions involves multiple aspects of inflammatory and immune signaling, neuroimmunity, nutritional immunity, and the gut microbiome. In this review, we discussed the different scenarios triggered by different orders of bacterial and viral infections in the gut and summarized the possible mechanisms of synergy or antagonism involved in their co-infection. We also explored the regulatory mechanisms of bacterial-viral co-infection at the host intestinal immune interface from multiple perspectives.
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