Associations between the gut microbiota at one-year and neurodevelopment in children from the SEPAGES cohort
Why this work is in the frame
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Bibliographic record
Abstract
Fundamental research indicates a communication between the gut microbiota and the central nervous system, referred to as the microbiota-gut-brain axis. This link is little characterized in humans in the general population. We prospectively investigated the relationships between the gut microbiota composition of one-year-old children and neurodevelopment parameters at 2 and 3 years of age. Within the SEPAGES French couple-child cohort, we profiled gut microbiota by sequencing the V3-V4 region of the 16S rRNA gene from stool samples in 356 children at 12 months of age. We later assessed children's neurodevelopment through validated tests (CBCL at 2 years, and SRS-2, BRIEF-P and WPPSI-IV at 3 years). Microbial α-diversity indices, the 4 most abundant phyla, and the 46 most abundant genera were analyzed for their relations with neurodevelopmental parameters using multiple linear regression, while associations of β-diversity with neurodevelopment were examined through PERMANOVA tests. α- and β-diversity indices were not associated with neurodevelopmental parameters in children. Suggestive associations were observed with taxonomy, but not maintained after correction for multiple comparisons: phyla Proteobacteria and Bacteroidetes tended to be associated with higher socio-emotional neurodevelopment assessed with different sub-scores; phylum Firmicutes with increased plan and organization problems; genera Lactococcus , Coprococcus, Oscillibacter, Clostridium XVIII , Veillonella, Parabacteroides, Subdoligranulum and Saccharibacteria genera incertae sedis with lower socio-emotional neurodevelopment, while genera Enterococcus and Butyricicoccus tended to be associated with higher socio-emotional neurodevelopment, assessed with different sub-scores. Within this generally healthy population, only suggestive associations were observed between gut microbiota composition and neurodevelopmental scores at 2 and 3 years. Larger studies are needed to examine a possibly weak link between the gut microbiota of one-year-old children and their neurodevelopment. • We investigated the link between infant gut microbiota and neurodevelopmental scores. • α- and β-diversity indices were not associated with neurodevelopmental scores. • Suggestive associations of gut microbiota with neurodevelopmental scores were seen. • These associations were not maintained after correction for multiple comparisons. • Larger prospective studies are needed to examine a possibly weak link.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it