Characterization of the gut microbiome in Alzheimer disease and mild cognitive impairment among older adults in Uganda: A case-control study/Experiment 1
From BugSigDB
Needs review
Subjects
- Location of subjects
- Uganda
- 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
- Alzheimer's disease [X]Dementia in Alzheimer's disease,[X]Dementia in Alzheimer's disease (disorder),AD,AD - Alzheimer's disease,Alzheimer Dementia,Alzheimer dementia,Alzheimer Dementia, Presenile,ALZHEIMER DIS,Alzheimer Disease,Alzheimer disease,Alzheimer disease, familial,Alzheimer Type Dementia,Alzheimer's,Alzheimer's Dementia,Alzheimer's dementia,Alzheimer's disease,Alzheimer's disease (disorder),Alzheimer's disease, NOS,Alzheimers,Alzheimers Dementia,Alzheimers dementia,ALZHEIMERS DIS,Alzheimers disease,DAT - Dementia Alzheimer's type,Dementia in Alzheimer's disease,Dementia in Alzheimer's disease (disorder),Dementia in Alzheimer's disease, unspecified (disorder),Dementia of the Alzheimer's type,Dementia, Alzheimer Type,Dementia, Presenile,Dementia, Presenile Alzheimer,Disease, Alzheimer,Disease, Alzheimer's,Presenile Alzheimer Dementia,sporadic Alzheimer's disease,alzheimer's disease
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- Cognitively healthy controls
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- AD patients
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Individuals diagnosed with Alzheimer's Disease (AD)
- Group 0 sample size Number of subjects in the control (unexposed) group
- 13
- Group 1 sample size Number of subjects in the case (exposed) group
- 77
- Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
- Yes, excluded participants with recent antibiotic use within 6 weeks
Lab analysis
- Sequencing type
- 16S
- 16S variable region One or more hypervariable region(s) of the bacterial 16S gene
- Not specified
- Sequencing platform Manufacturer and experimental platform used for quantifying microbial abundance
- Nanopore
Statistical Analysis
- Data transformation Data transformation applied to microbial abundance measurements prior to differential abundance testing (if any).
- relative abundances
- Statistical test
- LEfSe
- 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
- LDA Score above Threshold for the linear discriminant analysis (LDA) score for studies using the popular LEfSe tool
- 2.0
- Confounders controlled for Confounding factors that have been accounted for by stratification or model adjustment
- age, body mass index
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- decreased
- Chao1 Abundance-based estimator of species richness
- decreased
Signature 1
Needs review
Source: Figure 9
Description: Taxa enriched in Alzheimer’s disease patients.
Abundance in Group 1: increased abundance in AD patients
| NCBI | Quality Control | Links |
|---|---|---|
| Cronobacter | ||
| Dickeya | ||
| Hafnia | ||
| Raoultella | ||
| Thermomonas |
Revision editor(s): Kristin.abraham
Signature 2
Needs review
Source: Figure 9
Description: Taxa depleted in Alzheimer’s disease patients.
Abundance in Group 1: decreased abundance in AD patients
Revision editor(s): Kristin.abraham
