Dysbiosis of gut microbiota in a selected population of Parkinson's patients/Experiment 2

From BugSigDB


Needs review

Curated date: 2024/03/08

Curator: Mojisayo Awolesi

Revision editor(s): Mojisayo Awolesi, Fiddyhamma

Subjects

Location of subjects
Italy
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
Healthy controls
Group 1 name Corresponds to the case (exposed) group for case-control studies
Parkinson Disease (excluding patients taking iCOMT)
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Patients with severe and active Parkinson’s disease taking catechol-O-methyl transferase (COMT) inhibitors are excluded from the analysis, since assumption of COMT inhibitors affects the microbiota composition
Group 0 sample size Number of subjects in the control (unexposed) group
72
Group 1 sample size Number of subjects in the case (exposed) group
72
Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
4 weeks

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
Linear Regression
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, sex, Confounders controlled for: "loss of weight" 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.loss of weight


Signature 1

Needs review

Curated date: 2024/04/12

Curator: Fiddyhamma

Revision editor(s): Fiddyhamma

Source: Table 1B, Fig 1, Suppl table S7B and text

Description: PD (excluding patients taking iCOMT) cases vs HC, both bacterial Families and genera with a significative p-values detected by two methods (Generalized Linear Models and Wilcoxon-Mann-Withney test) are reported.

Abundance in Group 1: increased abundance in Parkinson Disease (excluding patients taking iCOMT)

NCBI Quality ControlLinks
Enterobacteriaceae
Lactobacillaceae
Enterococcaceae
Klebsiella
Lactobacillus
unclassified Enterobacteriaceae

Revision editor(s): Fiddyhamma

Signature 2

Needs review

Curated date: 2024/04/12

Curator: Fiddyhamma

Revision editor(s): Fiddyhamma

Source: Table 1B, Fig 1, Suppl table S7B and text

Description: PD (excluding patients taking iCOMT) cases vs HC, both bacterial Families and genera with a significative p-values detected by two methods (Generalized Linear Models and Wilcoxon-Mann-Withney test) are reported.

Abundance in Group 1: decreased abundance in Parkinson Disease (excluding patients taking iCOMT)

NCBI Quality ControlLinks
Lachnospiraceae

Revision editor(s): Fiddyhamma