Gut microbiota profiles of treatment-naïve adult acute myeloid leukemia patients with neutropenic fever during intensive chemotherapy
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Study information
-
Quality control
- Retracted paper
- Contamination issues suspected
- Batch effect issues suspected
- Uncontrolled confounding suspected
- Results are suspect (various reasons)
- Tags applied
study design
Citation
PMID PubMed identifier for scientific articles.
DOI Digital object identifier for electronic documents.
URI Uniform resource identifier for web resources.
Authors
Rattanathammethee T, Tuitemwong P, Thiennimitr P, Sarichai P, Na Pombejra S, Piriyakhuntorn P, Hantrakool S, Chai-Adisaksopha C, Rattarittamrong E, Tantiworawit A, Norasetthada L
Journal
PloS one
Year
2020
The intestinal bacterial flora of febrile neutropenic patients has been found to be significantly diverse. However, there are few reports of alterations of in adult acute myeloid leukemia (AML) patients. Stool samples of each treatment-naïve AML patient were collected the day before initiation of induction chemotherapy (pretreatment), on the first date of neutropenic fever and first date of bone marrow recovery. Bacterial DNA was extracted from stool samples and bacterial 16s ribosomal RNA genes were sequenced by next-generation sequencing. Relative abundance, overall richness, Shannon's diversity index and Simpson's diversity index were calculated. No antimicrobial prophylaxis was in placed in all participants. Ten cases of AML patients (4 male and 6 female) were included with a median age of 39 years (range: 19-49) and all of patients developed febrile neutropenia. Firmicutes dominated during the period of neutropenic fever, subsequently declining after bone marrow recovery a pattern in contrast to that shown by Bacteroidetes and Proteobacteria. Enterococcus was more abundant in the febrile neutropenia period compared to pretreatment (mean difference +20.2; p < 0.0001) while Escherichia notably declined during the same period (mean difference -11.2; p = 0.0064). At the operational taxonomic unit (OTU) level, there was a significantly higher level of overall richness in the pretreatment period than in the febrile neutropenic episode (mean OTU of 203.1 vs. 131.7; p = 0.012). Both of the diversity indexes of Shannon and Simpson showed a significant decrease during the febrile neutropenic period. Adult AML patients with a first episode of febrile neutropenia after initial intensive chemotherapy demonstrated a significant decrease in gut microbiota diversity and the level of diversity remained constant despite recovery of bone marrow.
Statistical test
Kruskall-Wallis Mann-Whitney (Wilcoxon) T-Test DESeq2
Statistical test
Kruskall-Wallis Mann-Whitney (Wilcoxon) T-Test DESeq2
Statistical test
DESeq2 Kruskall-Wallis Mann-Whitney (Wilcoxon) T-Test
Experiment 1
Subjects
- Location of subjects
- Thailand
- Host species Species from which microbiome was sampled (if applicable)
- 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
- Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
- acute myeloid leukemia acute granulocytic leukemia,acute myeloblastic leukemia,acute myelocytic leukemia,acute myelogenous leukemia,acute myelogenous leukemias,acute myeloid leukemia,acute myeloid leukemia (AML),acute non lymphoblastic leukemia,acute Nonlymphocytic leukemia,acute nonlymphocytic leukemia,AML,AML - acute myeloid leukemia,ANLL,hematopoeitic - acute Myleogenous leukemia (AML),leukemia, acute myelogenous,leukemia, acute myeloid,leukemia, acute myeloid, susceptibility to,leukemia, myelocytic, acute,myeloid leukemia, acute
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- Pretreatment
- 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
- patients with neutropenic fever during intensive chemotherapy
- Group 0 sample size Number of subjects in the control (unexposed) group
- 10
- Group 1 sample size Number of subjects in the case (exposed) group
- 10
- Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
- 3 months.
Lab analysis
- Sequencing type
- PCR
- 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
- 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
- decreased
- Simpson Estimator of species richness and species evenness: more weight on species evenness
- decreased
- Richness Number of species
- increased
Experiment 2
Subjects
- Location of subjects
- Thailand
- Host species Species from which microbiome was sampled (if applicable)
- 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
- Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
- acute myeloid leukemia acute granulocytic leukemia,acute myeloblastic leukemia,acute myelocytic leukemia,acute myelogenous leukemia,acute myelogenous leukemias,acute myeloid leukemia,acute myeloid leukemia (AML),acute non lymphoblastic leukemia,acute Nonlymphocytic leukemia,acute nonlymphocytic leukemia,AML,AML - acute myeloid leukemia,ANLL,hematopoeitic - acute Myleogenous leukemia (AML),leukemia, acute myelogenous,leukemia, acute myeloid,leukemia, acute myeloid, susceptibility to,leukemia, myelocytic, acute,myeloid leukemia, acute
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- febrile neutropenia
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Bone marrow recovery
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- After initiation of induction chemotherapy
- Group 0 sample size Number of subjects in the control (unexposed) group
- 10
- Group 1 sample size Number of subjects in the case (exposed) group
- 10
- Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
- 3 months.
Lab analysis
- Sequencing type
- PCR
- 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
- 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
- decreased
- Simpson Estimator of species richness and species evenness: more weight on species evenness
- decreased
- Richness Number of species
- unchanged
Signature 1
Source: S1 table.
Description: The taxa that increased in relative abundance from febrile neutropenia to bone marrow recovery
Abundance in Group 1: increased abundance in Bone marrow recovery
| NCBI | Links |
|---|---|
| Enterococcus | |
| Streptococcus | |
| Blautia | |
| Veillonella | |
| Parabacteroides |
Revision editor(s): Cyberian
Signature 2
Source: S1 table.
Description: The taxa that decreased in relative abundance from febrile neutropenia to bone marrow recovery
Abundance in Group 1: decreased abundance in Bone marrow recovery
| NCBI | Links |
|---|---|
| Bacteroides | |
| Escherichia |
Revision editor(s): Cyberian
Experiment 3
Subjects
- Location of subjects
- Thailand
- Host species Species from which microbiome was sampled (if applicable)
- 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
- Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
- acute myeloid leukemia acute granulocytic leukemia,acute myeloblastic leukemia,acute myelocytic leukemia,acute myelogenous leukemia,acute myelogenous leukemias,acute myeloid leukemia,acute myeloid leukemia (AML),acute non lymphoblastic leukemia,acute Nonlymphocytic leukemia,acute nonlymphocytic leukemia,AML,AML - acute myeloid leukemia,ANLL,hematopoeitic - acute Myleogenous leukemia (AML),leukemia, acute myelogenous,leukemia, acute myeloid,leukemia, acute myeloid, susceptibility to,leukemia, myelocytic, acute,myeloid leukemia, acute
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- Pre-treatment
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Bone marrow recovery
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- After initiation of induction chemotherapy treatment
- Group 0 sample size Number of subjects in the control (unexposed) group
- 10
- Group 1 sample size Number of subjects in the case (exposed) group
- 10
- Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
- 3 months.
Lab analysis
- Sequencing type
- PCR
- 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
- 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
- decreased
- Simpson Estimator of species richness and species evenness: more weight on species evenness
- decreased
- Richness Number of species
- increased
Signature 1
Source: S1 table.
Description: taxa that increased in relative abundance from pretreatment to bone marrow recovery.
Abundance in Group 1: increased abundance in Bone marrow recovery
| NCBI | Links |
|---|---|
| Enterococcus | |
| Streptococcus |
Revision editor(s): Cyberian
Signature 2
Source: S1 table.
Description: The taxa that decreased in relative abundance from pretreatment to bone marrow recovery
Abundance in Group 1: decreased abundance in Bone marrow recovery
| NCBI | Links |
|---|---|
| Bacteroides | |
| Blautia | |
| Veillonella |
Revision editor(s): Cyberian
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