Gut microbiome characteristics in subjective cognitive decline, mild cognitive impairment and Alzheimer's disease: a systematic review and meta-analysis/Experiment 1
From BugSigDB
Reviewed Marked as Reviewed by KateRasheed on 2025-6-12
Subjects
- Location of subjects
- China
- United States of America
- 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
- Healthy Controls (HC)
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Alzheimer's disease (AD)
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Individuals who have been diagnosed with Alzheimer's disease (AD)
- Group 0 sample size Number of subjects in the control (unexposed) group
- 128
- Group 1 sample size Number of subjects in the case (exposed) group
- 129
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
- Random Forest Analysis
- 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)?
- No
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- decreased
- Chao1 Abundance-based estimator of species richness
- decreased
- Simpson Estimator of species richness and species evenness: more weight on species evenness
- unchanged
- Richness Number of species
- unchanged
Signature 1
Reviewed Marked as Reviewed by KateRasheed on 2025-6-12
Source: Fig-1b
Description: Forest plots of the estimated relative abundance of phylum Firmicutes, in patients with AD compared to HCs.
Abundance in Group 1: decreased abundance in Alzheimer's disease (AD)
| NCBI | Quality Control | Links |
|---|---|---|
| Bacillota |
Revision editor(s): Aiyshaaaa
