Gastrointestinal tract involvement in systemic sclerosis: The roles of diet and the microbiome/Experiment 2

From BugSigDB


Reviewed Marked as Reviewed by Folakunmi on 2024-2-9

Curated date: 2023/10/11

Curator: Boadiwaa

Revision editor(s): Boadiwaa, Chloe, Tolulopeo, Folakunmi

Subjects

Location of subjects
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
Systemic scleroderma diffuse Scleroderma,diffuse sclerosis,Progressive systemic sclerosis,progressive systemic sclerosis,PSS (progressive systemic sclerosis),PSS - Progressive systemic sclerosis,Scleroderma,Scleroderma (& [systemic sclerosis]),Scleroderma syndrome,Scleroderma, diffuse,Scleroderma, Systemic,Scleroderma, systemic,Sclerosis, Systemic,SS - Systemic sclerosis,SSc,SSc, diffuse sclerosis,systemic Scleroderma,systemic scleroderma,Systemic sclerosis,systemic sclerosis,Systemic sclerosis (disorder),Thibierge-Weissenbach syndrome,Systemic scleroderma
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Not Applicable
Group 1 name Corresponds to the case (exposed) group for case-control studies
Systemic Sclerosis patients with increased GIT 2.0 score
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Adult patients with Systemic Sclerosis of any duration, as diagnosed according to the 2013 American College of Rheumatology/European League Against Rheumatism Classification Criteria for Systemic Sclerosis, reporting more severe Gastrointestinal Tract symptoms
Group 1 sample size Number of subjects in the case (exposed) group
66
Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
Four weeks, no antibiotics use more than 2 times in the preceding 12 months prior to the stool collection.

Lab analysis

Sequencing type
16S
16S variable region One or more hypervariable region(s) of the bacterial 16S gene
V4-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)
0.1
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
decreased

Signature 1

Reviewed Marked as Reviewed by Folakunmi on 2024-2-9

Curated date: 2023/10/11

Curator: Boadiwaa

Revision editor(s): Boadiwaa, Chloe, Hodan Issah

Source: Figure 3

Description: Differential abundance of specific genera based on GIT 2.0 Total Score

Abundance in Group 1: increased abundance in Systemic Sclerosis patients with increased GIT 2.0 score

NCBI Quality ControlLinks
Enterococcus
Faecalibacterium sp. UBA1819
Klebsiella
Lactobacillus
Sphingobium

Revision editor(s): Boadiwaa, Chloe, Hodan Issah

Signature 2

Reviewed Marked as Reviewed by Folakunmi on 2024-2-9

Curated date: 2023/10/11

Curator: Boadiwaa

Revision editor(s): Boadiwaa, Chloe, Peace Sandy, Hodan Issah

Source: Figure 3

Description: Differential abundance of specific genera based on GIT 2.0 Total Score

Abundance in Group 1: decreased abundance in Systemic Sclerosis patients with increased GIT 2.0 score

NCBI Quality ControlLinks
Bacteroidales
Catenibacterium
Clostridia
Clostridiales bacterium
Clostridiales bacterium DTU089
Clostridium sp. CAG:352
Coprococcus
Coprococcus sp.
Cuneatibacter
Dubosiella
Methanobrevibacter
Mollicutes
Prevotella
Romboutsia
Subdoligranulum
Subdoligranulum sp.
Turicibacter
Tyzzerella
rhinovirus A89
uncultured Defluviitaleaceae bacterium
uncultured Erysipelotrichaceae bacterium
uncultured Haematococcaceae
Christensenellaceae R-7 groupChristensenellaceae R-7 group
Lachnospiraceae NK4B4 groupLachnospiraceae NK4B4 group
Lachnospiraceae ND3007 groupLachnospiraceae ND3007 group
uncultured Oscillospiraceae bacterium

Revision editor(s): Boadiwaa, Chloe, Peace Sandy, Hodan Issah