Profiles of subgingival microbiomes and gingival crevicular metabolic signatures in patients with amnestic mild cognitive impairment and Alzheimer's disease/Experiment 2

From BugSigDB


Needs review

Curated date: 2024/03/23

Curator: Aananditaa

Revision editor(s): Aananditaa

Subjects

Location of subjects
China
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
Lower first secondary molar tooth , Lower first secondary premolar tooth , Upper first secondary molar tooth , Central incisor tooth , Upper first secondary premolar tooth Lower first permanent molar tooth,Mandibular first secondary molar tooth,Lower first secondary molar tooth,lower first secondary molar tooth,Lower first permanent premolar tooth,Mandibular first secondary premolar tooth,Permanent first lower premolar tooth,Secondary first lower premolar tooth,Lower first secondary premolar tooth,lower first secondary premolar tooth,Maxillary first secondary molar tooth,Upper first permanent molar tooth,Upper first secondary molar tooth,upper first secondary molar tooth,Central incisor,Central incisor tooth,central incisor tooth,Maxillary first secondary premolar tooth,Permanent first upper premolar tooth,Secondary first upper premolar tooth,Upper first permanent premolar tooth,Upper first secondary premolar tooth,upper first secondary premolar tooth
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Alzheimer’s disease
Group 1 name Corresponds to the case (exposed) group for case-control studies
Amnestic mild cognitive impairment (aMCI)
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Patients with aMCI who met the previously published National Institute on Aging and Alzheimer’s Association criteria (2011) for “MCI due to AD,” with memory deficits as the only complaint of cognitive impairment.
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
32
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
16S
16S variable region One or more hypervariable region(s) of the bacterial 16S gene
Not specified
Sequencing platform Manufacturer and experimental platform used for quantifying microbial abundance
PacBio RS, RT-qPCR

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)
0.05

Alpha Diversity

Pielou Quantifies how equal the community is numerically
unchanged
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
Faith Phylogenetic diversity, takes into account phylogenetic distance of all taxa identified in a sample
unchanged

Signature 1

Needs review

Curated date: 2024/03/23

Curator: Aananditaa

Revision editor(s): Aananditaa

Source: Figure 3

Description:

Abundance in Group 1: increased abundance in Amnestic mild cognitive impairment (aMCI)

NCBI Quality ControlLinks
Actinomyces massiliensis
Leptotrichia buccalis

Revision editor(s): Aananditaa