The gut-microbiota-brain axis in a Spanish population in the aftermath of the COVID-19 pandemic: microbiota composition linked to anxiety, trauma, and depression profiles
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Study information
-
Quality control
- Retracted paper
- Contamination issues suspected
- Batch effect issues suspected
- Uncontrolled confounding suspected
- Results are suspect (various reasons)
- Tags applied
study design
Citation
PMID PubMed identifier for scientific articles.
DOI Digital object identifier for electronic documents.
URI
Authors
Malan-Müller S, Valles-Colomer M, Palomo T, Leza JC
Journal
Gut microbes
Year
2023
Keywords:
COVID-19, Microbiome, anxiety, depression, gut-microbiota-brain axis, mental health, posttraumatic stress disorder, trauma
The prevalence of anxiety and depression soared following the COVID-19 pandemic. To effectively treat these conditions, a comprehensive understanding of all etiological factors is needed. This study investigated fecal microbial features associated with mental health outcomes (symptoms of anxiety, depression, or posttraumatic stress disorder (PTSD)) in a Spanish cohort in the aftermath of the COVID-19 pandemic. Microbial communities from stool samples were profiled in 198 individuals who completed validated, self-report questionnaires. 16S ribosomal RNA gene V3-4 amplicon sequencing was performed. Microbial diversity and community structure were analyzed, together with relative taxonomic abundance. In our cohort of N=198, 17.17% reported depressive symptoms, 37.37% state anxiety symptoms, 40.90% trait anxiety symptoms, and 8.08% PTSD symptoms, with high levels of comorbidity. Individuals with trait anxiety had lower Simpson's diversity. Fusicatenibacter saccharivorans was reduced in individuals with comorbid PTSD + depression + state and trait anxiety symptoms, whilst an expansion of Proteobacteria and depletion of Synergistetes phyla were noted in individuals with depressive symptoms. The relative abundance of Anaerostipes was positively correlated with childhood trauma, and higher levels of Turicibacter sanguinis and lower levels of Lentisphaerae were found in individuals who experienced life-threatening traumas. COVID-19 infection and vaccination influenced the overall microbial composition and were associated with distinct relative taxonomic abundance profiles. These findings will help lay the foundation for future studies to identify microbial role players in symptoms of anxiety, depression, and PTSD and provide future therapeutic targets to improve mental health outcomes.
Experiment 1
Reviewed Marked as Reviewed by ChiomaBlessing on 2024-2-20
Curated date: 2023/10/29
Curator: Wangui Thuo
Revision editor(s): Wangui Thuo, Chinelsy, ChiomaBlessing
Subjects
- Location of subjects
- Spain
- Host species Species from which microbiome was sampled. Contact us to have more species added.
- Homo sapiens
- Body site Anatomical site where microbial samples were extracted from according to the Uber Anatomy Ontology
- Feces Cow dung,Cow pat,Droppings,Dung,Excrement,Excreta,Faeces,Fecal material,Fecal matter,Fewmet,Frass,Guano,Matières fécales@fr,Merde@fr,Ordure,Partie de la merde@fr,Piece of shit,Porción de mierda@es,Portion of dung,Portion of excrement,Portion of faeces,Portion of fecal material,Portion of fecal matter,Portion of feces,Portion of guano,Portion of scat,Portionem cacas,Scat,Spoor,Spraint,Stool,Teil der fäkalien@de,Feces,feces
- Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
- Psychiatric disorder disease of mental health,mental disorder,mental dysfunction,mental illness,Psychiatric disease,Psychiatric disorder,psychiatric disorder
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- Individuals without the comorbid state
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Individuals with comorbid PTSD + depression + state + trait anxiety symptoms (Comorbidity with Psychiatric Symptoms)
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- This group included individuals with comorbid PTSD, depression, state and trait anxiety symptoms
- Group 0 sample size Number of subjects in the control (unexposed) group
- 190
- Group 1 sample size Number of subjects in the case (exposed) group
- 8
- Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
- 6 months.
Lab analysis
- Sequencing type
- 16S
- 16S variable region One or more hypervariable region(s) of the bacterial 16S gene
- V3-V4
- Sequencing platform Manufacturer and experimental platform used for quantifying microbial abundance
- Illumina
Statistical Analysis
- Data transformation Data transformation applied to microbial abundance measurements prior to differential abundance testing (if any).
- relative abundances
- Statistical test
- Mann-Whitney (Wilcoxon)
- Significance threshold p-value or FDR threshold used for differential abundance testing (if any)
- 0.05
- MHT correction Have statistical tests be corrected for multiple hypothesis testing (MHT)?
- Yes
- Confounders controlled for Confounding factors that have been accounted for by stratification or model adjustment
- age, body mass index, inflammatory bowel disease, sex, irritable bowel syndrome, Confounders controlled for: "celiac disease" is not in the list (abnormal glucose tolerance, acetaldehyde, acute graft vs. host disease, acute lymphoblastic leukemia, acute myeloid leukemia, adenoma, age, AIDS, alcohol consumption measurement, alcohol drinking, ...) of allowed values.celiac disease, Confounders controlled for: "Bernard-Soulier syndrome" is not in the list (abnormal glucose tolerance, acetaldehyde, acute graft vs. host disease, acute lymphoblastic leukemia, acute myeloid leukemia, adenoma, age, AIDS, alcohol consumption measurement, alcohol drinking, ...) of allowed values.Bernard-Soulier syndrome
Signature 1
Reviewed Marked as Reviewed by ChiomaBlessing on 2024-2-20
Source: Figure 4A
Description: Relative abundance of taxa in individuals with comorbid PTSD + depression + state and trait anxiety symptoms compared to those without the comorbid state
Abundance in Group 1: decreased abundance in Individuals with comorbid PTSD + depression + state + trait anxiety symptoms (Comorbidity with Psychiatric Symptoms)
| NCBI | Quality Control | Links |
|---|---|---|
| Fusicatenibacter saccharivorans |
Revision editor(s): ChiomaBlessing
Experiment 2
Reviewed Marked as Reviewed by ChiomaBlessing on 2024-2-20
Differences from previous experiment shown
Subjects
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- Healthy controls (good mental health)
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- PTSD + depression + state + trait anxiety symptoms (Comorbidity with Psychiatric Symptoms)
- Group 0 sample size Number of subjects in the control (unexposed) group
- 106
Lab analysis
Statistical Analysis
- Confounders controlled for Confounding factors that have been accounted for by stratification or model adjustment
- Not specified
Signature 1
Reviewed Marked as Reviewed by ChiomaBlessing on 2024-2-20
Source: Figure 4B
Description: Relative abundance of taxa in individuals with comorbid PTSD + depression + state and trait anxiety symptoms compared to healthy controls (good mental health)
Abundance in Group 1: decreased abundance in PTSD + depression + state + trait anxiety symptoms (Comorbidity with Psychiatric Symptoms)
| NCBI | Quality Control | Links |
|---|---|---|
| Fusicatenibacter saccharivorans |
Revision editor(s): ChiomaBlessing
Experiment 3
Reviewed Marked as Reviewed by ChiomaBlessing on 2024-2-20
Differences from previous experiment shown
Subjects
- Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
- Depressive disorder depression,melancholia,melancholias,mental depression,syndrome, depressive,syndromes, depressive,Depressive disorder,depressive disorder
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- Individuals without depressive symptoms
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Individuals with depressive symptoms
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- This group included individuals with depressive symptoms
- Group 0 sample size Number of subjects in the control (unexposed) group
- 166
- Group 1 sample size Number of subjects in the case (exposed) group
- 32
Lab analysis
Statistical Analysis
Signature 1
Reviewed Marked as Reviewed by ChiomaBlessing on 2024-2-20
Source: Figure 4C
Description: Relative abundance of taxa in individuals with depressive symptoms compared to those without depressive symptoms
Abundance in Group 1: increased abundance in Individuals with depressive symptoms
| NCBI | Quality Control | Links |
|---|---|---|
| Pseudomonadota |
Revision editor(s): ChiomaBlessing
Signature 2
Reviewed Marked as Reviewed by ChiomaBlessing on 2024-2-20
Source: Figure 4D
Description: Relative abundance of taxa in individuals with depressive symptoms compared to those without depressive symptoms
Abundance in Group 1: decreased abundance in Individuals with depressive symptoms
| NCBI | Quality Control | Links |
|---|---|---|
| Synergistota |
Revision editor(s): ChiomaBlessing
Experiment 4
Reviewed Marked as Reviewed by ChiomaBlessing on 2024-2-20
Differences from previous experiment shown
Subjects
- Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
- Childhood trauma measurement Childhood trauma measurement,childhood trauma measurement
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- Individuals who did not experience life-threatening childhood trauma
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Individuals who experienced life-threatening childhood trauma
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- This group included individuals who experienced life-threatening childhood trauma
- Group 0 sample size Number of subjects in the control (unexposed) group
- 162
- Group 1 sample size Number of subjects in the case (exposed) group
- 36
Lab analysis
Statistical Analysis
Signature 1
Reviewed Marked as Reviewed by ChiomaBlessing on 2024-2-20
Source: Figure 5B
Description: Relative abundance of taxa in individuals who experienced life-threatening childhood trauma compared to those who did not experience life-threatening childhood trauma
Abundance in Group 1: increased abundance in Individuals who experienced life-threatening childhood trauma
| NCBI | Quality Control | Links |
|---|---|---|
| Turicibacter sanguinis |
Revision editor(s): ChiomaBlessing
Signature 2
Reviewed Marked as Reviewed by ChiomaBlessing on 2024-2-20
Source: Figure 5C
Description: Relative abundance of taxa in individuals who experienced life-threatening childhood trauma compared to those who did not experience life-threatening childhood trauma
Abundance in Group 1: decreased abundance in Individuals who experienced life-threatening childhood trauma
| NCBI | Quality Control | Links |
|---|---|---|
| Lentisphaera |
Revision editor(s): ChiomaBlessing
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