Gut microbiota in Parkinson's disease: Temporal stability and relations to disease progression/Experiment 6
From BugSigDB
Reviewed Marked as Reviewed by ChiomaBlessing on 2024-1-11
Subjects
- Location of subjects
- Finland
- 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
- Parkinson's disease IDIOPATHIC PARKINSON DIS,Idiopathic Parkinson Disease,Idiopathic Parkinson's Disease,IDIOPATHIC PARKINSONS DIS,Idiopathic PD,LEWY BODY PARKINSON DIS,Lewy Body Parkinson Disease,Lewy Body Parkinson's Disease,Paralysis agitans,paralysis agitans,PARKINSON DIS,PARKINSON DIS IDIOPATHIC,Parkinson disease,Parkinson Disease, Idiopathic,Parkinson syndrome,Parkinson's,Parkinson's disease,Parkinson's disease (disorder),Parkinson's disease NOS,Parkinson's disease NOS (disorder),Parkinson's Disease, Idiopathic,Parkinson's Disease, Lewy Body,Parkinson's syndrome,Parkinsonian disorder,Parkinsonism, Primary,Parkinsons,PARKINSONS DIS,PARKINSONS DIS IDIOPATHIC,PARKINSONS DIS LEWY BODY,Parkinsons disease,Primary Parkinsonism,parkinson's disease
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- Stable PD patients at baseline
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Progressed PD patients at baseline
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Patients with progressed Parkinson's disease, defined based on between-timepoint change in Unified Parkinson's Disease Rating Scale (UPDRS) I-III sum and total medication load calculated using the Levodopa Equivalent Dose (LED).
- Group 0 sample size Number of subjects in the control (unexposed) group
- 41
- Group 1 sample size Number of subjects in the case (exposed) group
- 15
- Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
- None
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)?
- No
- Matched on Factors on which subjects have been matched on in a case-control study
- age, sex
- Confounders controlled for Confounding factors that have been accounted for by stratification or model adjustment
- Confounders controlled for: "COMT inhibitor use" 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.COMT inhibitor use
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on 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
- Richness Number of species
- unchanged
Signature 1
Reviewed Marked as Reviewed by ChiomaBlessing on 2024-1-11
Source: Table 9: Baseline
Description: Summary of differential abundance results contrasting follow-up progressed and stable PD patients
Abundance in Group 1: increased abundance in Progressed PD patients at baseline
| NCBI | Quality Control | Links |
|---|---|---|
| Streptococcaceae | ||
| Streptococcus | ||
| unclassified Lachnospiraceae |
Revision editor(s): ChiomaBlessing
Signature 2
Reviewed Marked as Reviewed by ChiomaBlessing on 2024-1-11
Source: Table 9: Baseline
Description: Summary of differential abundance results contrasting follow-up progressed and stable PD patients
Abundance in Group 1: decreased abundance in Progressed PD patients at baseline
| NCBI | Quality Control | Links |
|---|---|---|
| Prevotella | ||
| Phascolarctobacterium | ||
| Coprococcus | ||
| Desulfovibrio |
Revision editor(s): ChiomaBlessing
