ArticleBMC microbiology2024
Brain injury in premature infants may be related to abnormal colonization of early gut microbiome.
Article in BMC microbiology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Fecal Microbiome and Serum Metabolome Profiles of the Ovarian Failure Mouse Model.Applied biochemistry and biotechnology · 2026Article
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Authors and funding
6 authors.
Funding
Abstract
backgroundPremature infants are more prone to brain injuries owing to incomplete nervous system development and poor adaptation outside the mother's body. Without timely intervention, premature infants with brain injuries often develop intellectual disabilities, causing significant burdens on families and the society. Multiple studies have shown that gut dysbiosis can affect the nervous system, and vice versa. This study aimed to explore the changes in gut microbiota of typical premature infants and those with brain injuries on the third and seventh days after birth using 16 S rRNA technology.
methodsFecal samples from typical premature infants (non-brain injury group, n = 17) and those with brain injuries (brain injury group, n = 21) were collected on days 1, 3, and 7 after birth for 16 S rRNA sequencing. Alpha diversity analysis was used to evaluate the diversity of gut microbiome. LEfSe and DESeq2 were used to analyze of the microorganisms' characteristics and differentiate the microorganisms between the two groups.
resultsAt the phylum level, Firmicutes, Proteobacteria, and Actinobacteria were the dominant flora in both groups. At the genus level, the proportion of Enterococcus in fecal samples of the brain injury group was higher than that of the non-brain injury group on day three after birth; however, the opposite was observed on day seven. Rothia and Lactobacillales were characteristic bacteria of the non-brain injury group on days three and seven after birth, whereas Enterococcus and Bifidobacteria were characteristic bacteria of the brain injury group on days three and seven after birth, respectively. Three days after birth, the Shannon and Simpson indices of the non-brain injury group were significantly higher than those of the brain injury group.
conclusionPremature infants with brain injuries have a unique gut microbiota that is different from that of typical premature infants, indicating correlation between brain injuries and gut microbiota.
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