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- Title
Altered Urine Microbiome in Male Children and Adolescents with Attention-Deficit Hyperactivity Disorder.
- Authors
Cho, Yoon Jae; Shin, Bokyoung; Lee, Sung-Ha; Park, Sangmin; Kim, Yoon-Keun; Kim, Jae-Jin; Kim, Eunjoo
- Abstract
While interest in developing the human microbiome as a biomarker for attention-deficit hyperactivity disorder (ADHD) is increasing, there has been limited exploration in utilizing urine samples. In this study, we analysed urine microbiome profiles by extracting 16S ribosomal DNA from purified bacteria-derived extracellular membrane vesicles obtained from urine samples. Sequencing libraries were constructed by amplifying V3–V4 hypervariable regions sequenced using Illumina MiSeq. Profiles of male Korean children and adolescents with ADHD (n = 33) were compared with healthy sex-matched controls (n = 39). Statistically controlling for age, we found decreased alpha diversity in the urine bacteria of the ADHD group, as evidenced by reduced Shannon and Simpson indices (p < 0.05), and significant differences in beta diversity between the two groups (p < 0.001). The phyla Firmicutes and Actinobacteriota, as well as the genera Ralstonia and Afipia, were relatively more abundant in the ADHD group. The phylum Proteobacteria and the genera Corynebacterium and Peptoniphilus were more abundant in the control group. Notably, the genus Afipia exhibited significant correlations with the Child Behavior Checklist Attention Problems score and DSM-oriented ADHD subscale. This study is the first to propose the urine microbiome as a potential biomarker for pediatric ADHD.
- Subjects
ATTENTION-deficit hyperactivity disorder; TEENAGE boys; CHILD Behavior Checklist; BIOMARKERS; URINE; HYPERVARIABLE regions; TEENAGE girls
- Publication
Microorganisms, 2023, Vol 11, Issue 8, p2063
- ISSN
2076-2607
- Publication type
Article
- DOI
10.3390/microorganisms11082063