Increased diversity of a cervical microbiome associates with cervical cancer/Experiment 2

From BugSigDB


Needs review

Curated date: 2024/04/28

Curator: Joan Chuks

Revision editor(s): Joan Chuks, Victoria

Subjects

Location of subjects
Poland
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
Uterine cervix Canalis cervicis uteri,Caudal segment of uterus,Cervical canal,Cervical canal of uterus,Cervix,Cervix of uterus,Cervix uteri,Neck of uterus,Uterine cervix,uterine cervix
Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
Response to radiation Response to radiation,response to radiation
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Postmenopausal healthy controls (HPV Negative women)
Group 1 name Corresponds to the case (exposed) group for case-control studies
Postmenopausal Pre-treatment group
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Women, aged 54–62 years, with squamous cell carcinoma of the cervix who were indicated for primary Radiation therapy(RT), and their samples collected a day before starting external beam radiation therapy (EBRT).
Group 0 sample size Number of subjects in the control (unexposed) group
15
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)
2 months

Lab analysis

Sequencing type
16S
16S variable region One or more hypervariable region(s) of the bacterial 16S gene
V2-V9
Sequencing platform Manufacturer and experimental platform used for quantifying microbial abundance
Ion Torrent

Statistical Analysis

Data transformation Data transformation applied to microbial abundance measurements prior to differential abundance testing (if any).
centered log-ratio
Statistical test
ANCOM
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
increased
Chao1 Abundance-based estimator of species richness
unchanged

Signature 1

Needs review

Curated date: 2024/04/28

Curator: Joan Chuks

Revision editor(s): Joan Chuks

Source: Table 2

Description: Differential bacterial abundance in the cervical microbiome between postmenopausal healthy controls (HPV Negative women) and postmenopausal women with squamous cell carcinoma of the cervix, before starting external beam radiation therapy (EBRT), as determined by ANCOM-BC Analysis.

Abundance in Group 1: increased abundance in Postmenopausal Pre-treatment group

NCBI Quality ControlLinks
Arcanobacterium
Fusobacterium
Moryella
Peptococcus
Peptoniphilus
Porphyromonas
Stomatobaculum

Revision editor(s): Joan Chuks

Signature 2

Needs review

Curated date: 2024/04/28

Curator: Joan Chuks

Revision editor(s): Joan Chuks

Source: Table 2

Description: Differential bacterial abundance in the cervical microbiome between postmenopausal healthy controls (HPV Negative women) and postmenopausal women with squamous cell carcinoma of the cervix, before starting external beam radiation therapy (EBRT), as determined by ANCOM-BC Analysis.

Abundance in Group 1: decreased abundance in Postmenopausal Pre-treatment group

NCBI Quality ControlLinks
Gardnerella
Gemella
Lentilitoribacter
Mesorhizobium

Revision editor(s): Joan Chuks