The Gut Microbiome Is Associated with Clinical Response to Anti-PD-1/PD-L1 Immunotherapy in Gastrointestinal Cancer/Experiment 1

From BugSigDB


Reviewed Marked as Reviewed by Folakunmi on 2024-4-9

Curated date: 2024/03/14

Curator: Hamza

Revision editor(s): Hamza, Scholastica, Folakunmi

Subjects

Location of subjects
China
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
Digestive System Carcinoma carcinoma of digestive system,carcinoma of the gastrointestinal system,digestive system carcinoma,gastrointestinal carcinoma,gastrointestinal carcinoma (disease),gastrointestinal system carcinoma,Digestive System Carcinoma,digestive System Carcinoma
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Non-responders to anti–PD-1/PD-L1 immunotherapy
Group 1 name Corresponds to the case (exposed) group for case-control studies
Responders to anti–PD-1/PD-L1 immunotherapy
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Patients with stage 3 or stage 4 gastrointestinal cancer who achieved an objective response (Partial Responders/Stable Disease) lasting at least 3 months upon treatment start with anti–PD-1/PD-L1 immunotherapy.
Group 0 sample size Number of subjects in the control (unexposed) group
29
Group 1 sample size Number of subjects in the case (exposed) group
45
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).
centered log-ratio
Statistical test
Zero-Inflated Negative Binomial Regression
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

Alpha Diversity

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

Reviewed Marked as Reviewed by Folakunmi on 2024-4-9

Curated date: 2024/03/15

Curator: Hamza

Revision editor(s): Hamza, Scholastica

Source: Fig. 3A, Supp. Table S6

Description: Differential abundance between responders and non-responders to Anti–PD-1/PD-L1 Immunotherapy in all 74 patients with Gastrointestinal Cancer

Abundance in Group 1: increased abundance in Responders to anti–PD-1/PD-L1 immunotherapy

NCBI Quality ControlLinks
Dialister
Lachnospira
Parabacteroides
CAG-352CAG-352
Prevotella_2Prevotella_2
Ruminiclostridium_5Ruminiclostridium_5
Ruminococcus_2Ruminococcus_2
Ruminiclostridium_9Ruminiclostridium_9
uncultured Lachnospiraceae bacterium
uncultured Oscillospiraceae bacterium

Revision editor(s): Hamza, Scholastica

Signature 2

Reviewed Marked as Reviewed by Folakunmi on 2024-4-9

Curated date: 2024/03/15

Curator: Hamza

Revision editor(s): Hamza, Scholastica

Source: Fig. 3A, Supp. Table S6

Description: Differential abundance between responders and non-responders to Anti–PD-1/PD-L1 Immunotherapy in all 74 patients with Gastrointestinal Cancer

Abundance in Group 1: decreased abundance in Responders to anti–PD-1/PD-L1 immunotherapy

NCBI Quality ControlLinks
Bacteroides
Catenibacterium
Hungatella
Ruminococcus_2Ruminococcus_2
Ruminococcaceae NK4A214 groupRuminococcaceae NK4A214 group
uncultured Oscillospiraceae bacterium

Revision editor(s): Hamza, Scholastica