A pilot study to investigate the alteration of gut microbial profile in Dip2a knockout mice.

Abstract

Accumulating evidence has pointed out that the gut-brain axis plays important roles in the etiology of autism spectrum disorder (ASD). Gut dysbiosis was reported in both ASD human patients and animal models. Dip2a was identified as a human ASD candidate gene. Deletion of Dip2a led to dendritic spine dysfunction and autistic-like behaviors in mice. To further investigate if Dip2a deletion leads to gut dysbiosis, we used 16S rDNA sequencing to study the gut microbiota in Dip2a KO mice. In both co-housed and separated breeding conditions, deletion of Dip2a could affect the gut microbiome composition. The probiotic bacteria, Lactobacillus and Bifidobacterium, became less abundant, while some potentially harmful bacteria, Alistipes, Lachnospiraceae_NK4A136_group, Clostridium, Desulfovibrio, and Enterorhabdus, became more abundant. We further found that probiotic treatment could help to reconstitute the gut microbiome composition in Dip2a KO mice. Altogether, these data showed DIP2A is required for the proper composition of gut microbiota, and the probiotics have potential roles in rectifying the gut microbiota in Dip2a KO mice.

• Authors: Yuling Zhang, Yanan Qu, Jingyuan Yang, Juxiu Liu, Shengnan Li, Xiaoxiao He
• Journal: International microbiology : the official journal of the Spanish Society for Microbiology (Int Microbiol) Vol. 25 Issue 2 Pg. 267-274 (May 2022) ISSN: 1618-1905 [Electronic] Switzerland
• PMID: 34562157 (Publication Type: Journal Article)
• Copyright: © 2021. The Author(s), under exclusive licence to Springer Nature Switzerland AG.

Chemical References

• DIP2A protein, human
• Dip2a protein, mouse
• Nuclear Proteins

Topics

• Animals
• Autism Spectrum Disorder (microbiology)
• Dysbiosis (microbiology)
• Gastrointestinal Microbiome
• Humans
• Mice
• Mice, Knockout
• Nuclear Proteins
• Pilot Projects
• Probiotics