We used 16S rRNA and metagenome sequencing to analyze the respiratory microbial composition of patients with viral pneumonia complicated by diabetes (VD) and patients with viral pneumonia without diabetes (VP) and used transcriptome sequencing to compare the gene expression of patients in VD, VP, and healthy people. Our results indicate significant differences in gene expression and respiratory microbiota profiles between VD and VP. VD may inhibit the immune regulatory response and affect cell energy metabolism and oxygen transport and utilization by regulating related gene pathways. The abundance of Treponema denticola in the VP group was significantly higher than that in the VD group. We predicted that the functions of differential microorganisms may be related to cellular processes, environmental information processing, genetic information processing, human diseases, and metabolism. This study found characteristic biomarkers related to viral pneumonia with diabetes, providing a new strategy for further research and clinical treatment.
Huang et al. (Mon,) studied this question.
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