Gut microbiome is not associated with mild cognitive impairment in Parkinson's disease/Experiment 2

From BugSigDB


Needs review

Curated date: 2024/06/20

Curator: Aleru Divine

Revision editor(s): Aleru Divine

Subjects

Location of subjects
Luxembourg
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
Cognitive impairment Abnormality of cognition,Cognitive abnormality,Cognitive defects,Cognitive deficits,Cognitive impairment,Intellectual impairment,cognitive impairment
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Cognitively Unimpaired-PD (PD-NC)
Group 1 name Corresponds to the case (exposed) group for case-control studies
Mild Cognitive Impairment-PD
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Parkinson’s disease (PD) patients with mild cognitive impairment (MCI).
Group 0 sample size Number of subjects in the control (unexposed) group
60
Group 1 sample size Number of subjects in the case (exposed) group
58
Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
N/A

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).
raw counts
Statistical test
DESeq2
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

Alpha Diversity

Chao1 Abundance-based estimator of species richness
unchanged
Inverse Simpson Modification of Simpsons index D as 1/D to obtain high values in datasets of high diversity and vice versa
unchanged

Signature 1

Needs review

Curated date: 2024/06/20

Curator: Aleru Divine

Revision editor(s): Aleru Divine

Source: Supplementary Figure 1d and table 3c

Description: Heatmap summarizing differentially abundant taxa.

Abundance in Group 1: increased abundance in Mild Cognitive Impairment-PD

NCBI Quality ControlLinks
Lactobacillales
Streptococcaceae
Streptococcus

Revision editor(s): Aleru Divine

Signature 2

Needs review

Curated date: 2024/06/20

Curator: Aleru Divine

Revision editor(s): Aleru Divine

Source: Supplementary Figure 1d and table 3c

Description: Heatmap summarizing differentially abundant taxa.

Abundance in Group 1: decreased abundance in Mild Cognitive Impairment-PD

NCBI Quality ControlLinks
Akkermansia muciniphila
Asteroleplasma

Revision editor(s): Aleru Divine