Dysbiosis of Oral Microbiota and Metabolite Profiles Associated with Type 2 Diabetes Mellitus
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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
Authors
Li Y, Qian F, Cheng X, Wang D, Wang Y, Pan Y, Chen L, Wang W, Tian Y
Journal
Microbiology spectrum
Year
2023
Keywords:
metabolomic, metagenomic, oral diseases, oral microbiome, type 2 diabetes mellitus
Several previous studies have shown that oral microbial disorders may be closely related to the occurrence and development of type 2 diabetes mellitus (T2DM). However, whether the function of oral microorganisms and their metabolites have changed in patients with T2DM who have not suffered from any oral diseases has not been reported. We performed metagenomic analyses and nontargeted metabolic analysis of saliva and supragingival plaque samples from patients with T2DM who have not suffered any oral diseases and normal controls. We found that periodontal pathogens such as Porphyromonas gingivalis and Prevotella melaninogenica were significantly enriched, while the abundances of dental caries pathogens such as Streptococcus mutans and Streptococcus sobrinus were not significantly different in patients with T2DM compared to those in normal controls. Metabolomic analyses showed that the salivary levels of cadaverine and L-(+)-leucine of patients with T2DM were significantly higher than those of normal controls, while the supragingival plaque levels of N-acetyldopamine and 3,4-dimethylbenzoic acid in patients with T2DM were significantly higher than those in the normal controls. Additionally, we identified the types of oral microorganisms related to the changes in the levels of circulating metabolites, and the oral microorganisms were involved in the dysregulation of harmful metabolites such as cadaverine and n, n-dimethylarginine. Overall, our study first described the changes in the composition of oral microorganisms and their metabolites in patients with T2DM who have not suffered any oral diseases, which will provide a direct basis for finding oral biomarkers for early warning of oral diseases in T2DM. IMPORTANCE The incidence of oral diseases in type 2 diabetic patients might increase, and the severity might also be more serious. At present, the relationship between oral microorganisms and type 2 diabetes mellitus (T2DM) has become a hot topic in systemic health research. However, whether the function of oral microorganisms and their metabolites have changed in patients with T2DM who have not suffered from any oral diseases has not been reported. We found that even if the oral condition of T2DM is healthy, their oral microbes and metabolites have changed, thus increasing the risk of periodontal disease. Our study first described the changes in the composition of oral microorganisms and their metabolites in T2DM who have not suffered any oral diseases and revealed the correlation between oral microorganisms and their metabolites, which will provide a direct basis for finding oral biomarkers for early warning of oral diseases in patients with T2DM.
Experiment 1
Reviewed Marked as Reviewed by Folakunmi on 2024-3-20
Curated date: 2024/03/12
Curator:
Revision editor(s):
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
- Saliva
- Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- Healthy Control
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Type 2 Diabetes Mellitus Patients
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Saliva samples of patients with Type 2 Diabetes Mellitus ( fasting plasma glucose (FPG)≥7.0 mmol/L, HbA1C ≥6.5%, and 2-h postprandial blood glucose (2-hPBG)≥11.1 mmol/L)
- 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)
- 6 months
Lab analysis
- Sequencing type
- WMS
- 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
- MGISEQ-2000
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
- 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
- 2
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- unchanged
Signature 1
Needs review
Source: Figure 1E
Description: LEfSe analysis of salivary microorganisms in the T2DM (Type 2 Diabetes Mellitus) group and healthy control group
Abundance in Group 1: increased abundance in
Signature 2
Needs review
Source: Figure 1E
Description: LEfSe analysis of salivary microorganisms in the T2DM (Type 2 Diabetes Mellitus) group and healthy control group
Abundance in Group 1: decreased abundance in
| NCBI | Quality Control | Links |
|---|---|---|
| Alloprevotella | ||
| Burkholderiaceae | ||
| Burkholderiales | ||
| Candidatus Saccharibacteria | ||
| Lautropia | ||
| Lautropia mirabilis | ||
| Prevotella aurantiaca |
Experiment 2
Reviewed Marked as Reviewed by Folakunmi on 2024-3-20
Curated date: 2024/03/20
Curator:
Revision editor(s):
Differences from previous experiment shown
Subjects
- Body site Anatomical site where microbial samples were extracted from according to the Uber Anatomy Ontology
- Supragingival dental plaque Supragingival plaque,Supragingival dental plaque,supragingival dental plaque
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Supragingival dental plaque samples of patients with Type 2 Diabetes Mellitus ( fasting plasma glucose (FPG)≥7.0 mmol/L, HbA1C ≥6.5%, and 2-h postprandial blood glucose (2-hPBG)≥11.1 mmol/L)
- Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
- 6 months, 1 week
Lab analysis
Statistical Analysis
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- unchanged
Signature 1
Reviewed Marked as Reviewed by Folakunmi on 2024-3-20
Source: Figure 1F
Description: LEfSe analysis of supragingival plaque samples between patients with type II diabetes and healthy controls
Abundance in Group 1: increased abundance in
Signature 2
Reviewed Marked as Reviewed by Folakunmi on 2024-3-20
Source: Figure 1F
Description: LEfSe analysis of supragingival plaque samples between patients with type II diabetes and healthy controls
Abundance in Group 1: decreased abundance in
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