Dysbiosis in the Gut Microbiota of Patients with Multiple Sclerosis, with a Striking Depletion of Species Belonging to Clostridia XIVa and IV Clusters
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Quality control
- Retracted paper
- Contamination issues suspected
- Batch effect issues suspected
- Uncontrolled confounding suspected
- Results are suspect (various reasons)
- Tags applied
Experiment 1
Subjects
- Location of subjects
- Japan
- 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
- Multiple sclerosis Disseminated Sclerosis,generalized multiple sclerosis,insular sclerosis,MS,MS (Multiple Sclerosis),multiple sclerosis,MULTIPLE SCLEROSIS ACUTE FULMINATING,Multiple Sclerosis, Acute Fulminating,Sclerosis, Disseminated,Sclerosis, Multiple,Multiple sclerosis
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- Healthy subjects (controls)
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Multiple sclerosis (MS),
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Japanese patients with relapsing-remitting (RR) MS
- Group 0 sample size Number of subjects in the control (unexposed) group
- 40
- Group 1 sample size Number of subjects in the case (exposed) group
- 20
Lab analysis
- Sequencing type
- 16S
- 16S variable region One or more hypervariable region(s) of the bacterial 16S gene
- V1-V2
- Sequencing platform Manufacturer and experimental platform used for quantifying microbial abundance
- Roche454
Statistical Analysis
- Data transformation Data transformation applied to microbial abundance measurements prior to differential abundance testing (if any).
- relative abundances
- Statistical test
- Welch's T-Test
- 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
- Shannon Estimator of species richness and species evenness: more weight on species richness
- unchanged
- Chao1 Abundance-based estimator of species richness
- unchanged
- Richness Number of species
- unchanged
Signature 1
Source: Fig. S2, Table 1.
Description: Fold-change in the relative abundance of 21 species showing significant differences between HC40 and MS20 samples.
Abundance in Group 1: increased abundance in Multiple sclerosis (MS),
NCBI | Quality Control | Links |
---|---|---|
Eggerthella lenta | ||
Streptococcus salivarius | ||
Streptococcus thermophilus |
Revision editor(s): Rahila
Signature 2
Source: Fig. S2, Table 1, Fig. 4
Description: Fold-change in the relative abundance of 21 species showing significant differences between HC40 and MS20 samples.
Abundance in Group 1: decreased abundance in Multiple sclerosis (MS),
Revision editor(s): Rahila, KateRasheed
Experiment 2
Subjects
- Group 0 sample size Number of subjects in the control (unexposed) group
- 18
Lab analysis
Statistical Analysis
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- unchanged
- Chao1 Abundance-based estimator of species richness
- decreased
- Richness Number of species
- unchanged
Signature 1
Source: Fig 6
Description: Fold-change in the abundance of 21 species using longitudinal HC18 samples.
Abundance in Group 1: increased abundance in Multiple sclerosis (MS),
NCBI | Quality Control | Links |
---|---|---|
Eggerthella lenta | ||
Streptococcus salivarius | ||
Streptococcus thermophilus | ||
Phocaeicola coprocola | ||
Megamonas funiformis | ||
Phocaeicola coprophilus |
Revision editor(s): Rahila
Signature 2
Source: Fig 6
Description: Fold-change in the abundance of 21 species using longitudinal HC18 samples.
Abundance in Group 1: decreased abundance in Multiple sclerosis (MS),
Revision editor(s): Rahila