Hormonal contraception alters vaginal microbiota and cytokines in South African adolescents in a randomized trial/Experiment 3

From BugSigDB


Needs review

Curated date: 2024/11/14

Curator: Tosin

Revision editor(s): Tosin

Subjects

Location of subjects
South Africa
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
Vagina Vagina,vagina,Distal oviductal region,Distal portion of oviduct,Vaginae
Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
Vaginal microbiome measurement vaginal flora measurement,vaginal microbiota measurement,Vaginal microbiome measurement,vaginal microbiome measurement
Group 0 name Corresponds to the control (unexposed) group for case-control studies
CCVR (combined contraceptive vaginal ring) arm
Group 1 name Corresponds to the case (exposed) group for case-control studies
Net-En (norethisterone enanthate) arm
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Participants (adolescents) who were randomized to injectable norethisterone enanthate.
Group 0 sample size Number of subjects in the control (unexposed) group
32
Group 1 sample size Number of subjects in the case (exposed) group
28
Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
Past 3 months

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).
raw counts
Statistical test
DESeq2
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

Alpha Diversity

Shannon Estimator of species richness and species evenness: more weight on species richness
unchanged

Signature 1

Needs review

Curated date: 2024/11/15

Curator: Tosin

Revision editor(s): Tosin

Source: Table 3

Description: DESeq2 analysis of taxa differentially abundant between randomized study arms at crossover [Net-En (norethisterone enanthate) vs CCVR (combined contraceptive vaginal ring) arm].

Abundance in Group 1: increased abundance in Net-En (norethisterone enanthate) arm

NCBI Quality ControlLinks
Actinomyces
Bergeyella
Lachnoanaerobaculum saburreum
Prevotella nigrescens
Segatella baroniae
Segatella oulorum
Selenomonas infelix
Tannerella
Treponema
Treponema socranskii
Treponema vincentii
Weeksellaceae

Revision editor(s): Tosin

Signature 2

Needs review

Curated date: 2024/11/15

Curator: Tosin

Revision editor(s): Tosin

Source: Table 3

Description: DESeq2 analysis of taxa differentially abundant between randomized study arms at crossover [Net-En (norethisterone enanthate) vs CCVR (combined contraceptive vaginal ring) arm].

Abundance in Group 1: decreased abundance in Net-En (norethisterone enanthate) arm

NCBI Quality ControlLinks
Gardnerella
Gemelliphila asaccharolytica
Lactobacillus jensenii
Metamycoplasma hominis
Prevotella disiens

Revision editor(s): Tosin