Gut Microbiome Composition Predicts Infection Risk During Chemotherapy in Children With Acute Lymphoblastic Leukemia
-
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
- 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
- Acute lymphoblastic leukemia acute lymphoblastic leukemia,acute lymphoblastic leukemia (ALL),acute lymphoblastic leukemia (disease),acute lymphoblastic leukemia/lymphoma,acute lymphocytic leukaemia,acute lymphocytic leukemia,acute lymphocytic leukemias,acute lymphogenous leukemia,acute lymphoid leukemia,ALL,ALL - acute lymphocytic leukemia,leukemia, lymphoblastic, malignant,lymphoblastic leukemia,lymphoblastic leukemia, acute,precursor cell lymphoblastic leukemia,precursor Lymphoblasic leukemia,precursor lymphoblastic leukemia,Acute lymphoblastic leukemia
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- baseline
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- post-induction therapy
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- 6 weeks of remission induction therapy
- Group 0 sample size Number of subjects in the control (unexposed) group
- 112
- Group 1 sample size Number of subjects in the case (exposed) group
- 87
Lab analysis
- Sequencing type
- 16S
- 16S variable region One or more hypervariable region(s) of the bacterial 16S gene
- V1-V3
- 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
- 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)?
- Yes
- Confounders controlled for Confounding factors that have been accounted for by stratification or model adjustment
- antibiotic exposure, demographics
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- decreased
- Chao1 Abundance-based estimator of species richness
- decreased
- Simpson Estimator of species richness and species evenness: more weight on species evenness
- decreased
Signature 1
Source: Supplemental Table S3
Description: Change in gut microbiota diversity in acute lymphoblastic leukemia children from baseline to post induction
Abundance in Group 1: increased abundance in post-induction therapy
NCBI | Quality Control | Links |
---|---|---|
Bacillota | ||
Clostridiaceae | ||
Streptococcaceae | ||
Enterococcaceae | ||
Lactobacillaceae |
Signature 2
Source: Supplemental Table S3
Description: Change in gut microbiota diversity in acute lymphoblastic leukemia children from baseline to post induction
Abundance in Group 1: decreased abundance in post-induction therapy
NCBI | Quality Control | Links |
---|---|---|
Faecalibacterium sp. | ||
Actinomycetota | ||
Verrucomicrobiota |
Experiment 2
Subjects
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- post-consolidation therapy
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- 8 weeks of consolidation
- Group 1 sample size Number of subjects in the case (exposed) group
- 107
Lab analysis
Statistical Analysis
- Confounders controlled for Confounding factors that have been accounted for by stratification or model adjustment
- chemotherapy, acute lymphoblastic leukemia
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- unchanged
- Chao1 Abundance-based estimator of species richness
- unchanged
- Simpson Estimator of species richness and species evenness: more weight on species evenness
- unchanged
Signature 1
Source: Supplemental Table S3
Description: Change in gut microbiota diversity in acute lymphoblastic leukemia children from baseline to postconsildation
Abundance in Group 1: increased abundance in post-consolidation therapy
NCBI | Quality Control | Links |
---|---|---|
Bacillota | ||
Lactobacillaceae |
Signature 2
Source: Table 1, Figure 1 and 2, Supplemental Table S3
Description: Change in gut microbiota diversity in acute lymphoblastic leukemia children from baseline to postconsildation
Abundance in Group 1: decreased abundance in post-consolidation therapy
NCBI | Quality Control | Links |
---|---|---|
Bacteroidota | ||
Actinomycetota | ||
Verrucomicrobiota |
Experiment 3
Subjects
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- post re-induction therapy
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- 120 weeks of continuation phase with the last 17-20 weeks of reinduction II therapy
- Group 1 sample size Number of subjects in the case (exposed) group
- 90
Lab analysis
Statistical Analysis
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- decreased
- Chao1 Abundance-based estimator of species richness
- unchanged
- Simpson Estimator of species richness and species evenness: more weight on species evenness
- decreased
Signature 1
Source: Supplemental Table S3
Description: Change in gut microbiota diversity in acute lymphoblastic leukemia children from baseline to post re-induction
Abundance in Group 1: increased abundance in post re-induction therapy
NCBI | Quality Control | Links |
---|---|---|
Bacillota | ||
Clostridiaceae | ||
Enterococcaceae | ||
Lactobacillaceae |
Signature 2
Source: Supplemental Table S3
Description: Change in gut microbiota diversity in acute lymphoblastic leukemia children from baseline to post re-induction
Abundance in Group 1: decreased abundance in post re-induction therapy
NCBI | Quality Control | Links |
---|---|---|
Oscillospiraceae | ||
Faecalibacterium sp. | ||
Actinomycetota | ||
Verrucomicrobiota |
Experiment 4
Subjects
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- non-febrile neutropenia
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- febrile neutropenia
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- fever as an oral temperature more than 38.0°C persisting for more than 1 hour; neutropenia as an absolute neutrophil count less than or equal to 500 cells per microliter after baseline first sampled
- Group 0 sample size Number of subjects in the control (unexposed) group
- 47
- Group 1 sample size Number of subjects in the case (exposed) group
- 65
Lab analysis
Statistical Analysis
- Statistical test
- Mann-Whitney (Wilcoxon)
- MHT correction Have statistical tests be corrected for multiple hypothesis testing (MHT)?
- No
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- unchanged
Signature 1
Source: Supplemental Table S6, Figure 5a
Description: Comparison of baseline diversity and composition between acute lymphoblastic leukemia children with and without febrile neutropenia occurring throughout therapy
Abundance in Group 1: increased abundance in febrile neutropenia
NCBI | Quality Control | Links |
---|---|---|
Pseudomonadota |
Revision editor(s): WikiWorks