Salivary microbiome changes distinguish response to chemoradiotherapy in patients with oral cancer/Experiment 3

From BugSigDB


Needs review

Curated date: 2024/03/23

Curator: Nityasinghal 14

Revision editor(s): Nityasinghal 14

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
Saliva Sailva normalis,Saliva atomaris,Saliva molecularis,Salivary gland secretion,Saliva,saliva
Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
Oral squamous cell carcinoma mouth scc,mouth squamous cell carcinoma,OCSC,oral cavity scc,oral cavity squamous cell cancer,oral cavity squamous cell carcinoma,oral squamous cell carcinoma,scc of mouth,scc of oral cavity,scc of the mouth,scc of the oral cavity,squamous cell carcinoma of mouth,squamous cell carcinoma of oral cavity,squamous cell carcinoma of the mouth,squamous cell carcinoma of the oral cavity,Oral squamous cell carcinoma
Group 0 name Corresponds to the control (unexposed) group for case-control studies
salivary microbiota pre-chemoradiotherapy
Group 1 name Corresponds to the case (exposed) group for case-control studies
salivary microbiota post-chemoradiotherapy
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Saliva samples collected from patients post-chemoradiotherapy were used to identify potential microbial biomarkers associated with response to chemoradiotherapy.
Group 0 sample size Number of subjects in the control (unexposed) group
50
Group 1 sample size Number of subjects in the case (exposed) group
33

Lab analysis

Sequencing type
16S
16S variable region One or more hypervariable region(s) of the bacterial 16S gene
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).
relative abundances
Statistical test
LEfSe
Significance threshold p-value or FDR threshold used for differential abundance testing (if any)
0.001
MHT correction Have statistical tests be corrected for multiple hypothesis testing (MHT)?
Yes
LDA Score above Threshold for the linear discriminant analysis (LDA) score for studies using the popular LEfSe tool
3

Alpha Diversity

Inverse Simpson Modification of Simpsons index D as 1/D to obtain high values in datasets of high diversity and vice versa
increased
Richness Number of species
decreased

Signature 3

Needs review

Curated date: 2024/03/23

Curator: Nityasinghal 14

Revision editor(s): Nityasinghal 14

Source: Figure 2E

Description: Differential abundance of the families that were > 0.1% in abundance after chemoradiation.

Abundance in Group 1: increased abundance in salivary microbiota post-chemoradiotherapy

NCBI Quality ControlLinks
Erysipelotrichaceae
Neisseriaceae
Pseudomonadaceae
Staphylococcaceae
unclassified Bacteroidales
unclassified Lactobacillales
Lactobacillaceae

Revision editor(s): Nityasinghal 14

Signature 4

Needs review

Curated date: 2024/03/23

Curator: Nityasinghal 14

Revision editor(s): Nityasinghal 14

Source: Figure 2E

Description: Differential abundance of the families that were > 0.1% in abundance after chemoradiation.

Abundance in Group 1: decreased abundance in salivary microbiota post-chemoradiotherapy

NCBI Quality ControlLinks
Flavobacteriaceae
Leptotrichiaceae
Pasteurellaceae
Prevotellaceae

Revision editor(s): Nityasinghal 14