Ontology highlight
ABSTRACT:
PROVIDER: PRJNA759097 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR15721400_1.fastq.gz | Fastqsanger.gz | |||
| SRR15721400_2.fastq.gz | Fastqsanger.gz | |||
| SRR15721500_1.fastq.gz | Fastqsanger.gz | |||
| SRR15721500_2.fastq.gz | Fastqsanger.gz | |||
| SRR15721600_1.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 5 of 614 |
Similar Datasets
Project description:Background: Hypertension is one of the most common metabolic diseases in the elderly and its pathogenesis is associated with microbiota dysbiosis. Recent evidence suggests that oral microbiota dysbiosis is also an important factor in the development of hypertension. However, the relationship between hypertension and oral flora in the elderly has not been adequately investigated. Objective: The aim of this cross-sectional study was to investigate the structure of the oral microbiota and its correlation with hypertension in elderly hypertensive patients. To provide new ideas for the prevention and treatment of hypertension. Methods: 206 subjects aged 60 ~ 89 years were selected and divided into normal (CON) and hypertensive (HTN) groups, according to the 2018 Chinese Guidelines for the Management of Hypertension. The oral microbiome composition of saliva samples was determined by 16S rRNA gene sequencing. Results: Although there was no significant difference in α and β diversity between the two groups, systolic and diastolic blood pressure were the most important factors influencing the structure of the oral microbiota. At the phylum level, the relative abundance of the spirochete phylum and the mutualistic bacterial phylum was higher in the HT group than in the CON group (p < 0.05). Diastolic blood pressure was negatively correlated with Streptococcus. Furthermore, we analyzed HTN patients with 120 mmHg<systolic blood pressure<160 mmHg and systolic blood pressure>160 mmHg separately and found that the abundance of Saccharibacteria_(TM7) was significantly increased in the HTN_2 group. Conclusions: Our study identified specific oral microbiota in elderly hypertensive patients, confirming the relationship between oral microbiota and hypertension. This enhances our understanding of the important role of oral microbiota in the pathogenesis of hypertension and accumulates more evidence for microbial involvement in the development of hypertension.
2024-09-17 | GSE277296 | GEO
Project description:This study compared the subgingival microbiota of subjects with periodontitis to those with periodontal health using the Human Oral Microbe Identification Microarray (HOMIM).
2011-09-17 | GSE32159 | GEO
Project description:The effect of oral microbiota on the intestinal microbiota has garnered growing attention as a mechanism linking periodontal diseases to systemic diseases. However, the salivary microbiota is diverse and comprises numerous bacteria with a largely similar composition in healthy individuals and periodontitis patients. Thus, the systemic effects of small differences in the oral microbiota are unclear. In this study, we explored how health-associated and periodontitis-associated salivary microbiota differently colonized the intestine and their subsequent systemic effects by analyzing the hepatic gene expression and serum metabolomic profiles. The salivary microbiota was collected from a healthy individual and a periodontitis patient and gavaged into C57BL/6NJcl[GF] mice. Samples were collected five weeks after administration. Gut microbial communities were analyzed by 16S ribosomal RNA gene sequencing. Hepatic gene expression profiles were analyzed using a DNA microarray and quantitative polymerase chain reaction. Serum metabolites were analyzed by capillary electrophoresis time-of-flight mass spectrometry. The gut microbial composition at the genus level was significantly different between periodontitis-associated microbiota-administered (PAO) and health-associated oral microbiota-administered (HAO) mice. The hepatic gene expression profile demonstrated a distinct pattern between the two groups, with higher expression of Neat1, Mt1, Mt2, and Spindlin1, which are involved in lipid and glucose metabolism. Disease-associated metabolites such as 2-hydroxyisobutyric acid and hydroxybenzoic acid were elevated in PAO mice. These metabolites were significantly correlated with Bifidobacterium, Atomobium, Campylobacter, and Haemophilus, which are characteristic taxa in PAO mice. Conversely, health-associated oral microbiota were associated with higher levels of beneficial serum metabolites in HAO mice. The multi-omics approach used in this study revealed that periodontitis-associated oral microbiota is associated with the induction of disease phenotype when they colonized the gut of germ-free mice.
2022-08-17 | GSE198570 | GEO
Project description:Chlorhexidine-free mouthwash inhibits pathobionts while preserving the oral microbiome
| PRJNA858625 | ENA
Project description:The effect of chlorhexidine mouthwash on the the oral microbiome
| PRJEB34404 | ENA
Project description:Interventions: Two period cross-over trial. Intervention with mouth-rinsing will commence at the start of either induction, consolidation, or re-induction chemotherapy phase. Group 1 will be rinse with 10 mL of 0.12% chlorhexidine gluconate mouthwash twice daily, and Group 2 will rinse with 15 mL of 1% povidone iodine mouthwash twice daily, for 14 days during the first period of study. Alkaline saline mouthrinse will be used by the subjects during the 2 week ‘washout’ time between the two periods of study. The two groups will then switch mouthrinses during the second study period. The occurrence of ulcerative lesions and severity of mucositis will be measured at baseline and twice weekly of each study period, using the Oral Mucositis Assessment Scale and World Health Organization Grading Scale. If oral mucositis/ulceration develops during either period and persists beyond 14 days, the subjects will continue to use the mouthwash assigned to their group until lesions heal. A participant diary on the use of mouthwash and other oral care hygiene measures such as toothbrushing and flossing will be used to monitor adherence to treatment.
Primary outcome(s): determining whether there is a difference in effect of 0.12% chlorhexidine and 1% povidone iodine mouthrinses that are both accepted as standard of care for oral mucositis in pediatric cancer patients using the Oral Mucositis Assessment Scale and World Health Organization Grading Scale[2 weeks]
Study Design: Purpose: Prevention; Allocation: Randomised controlled trial; Masking: Open (masking not used);Assignment: Crossover;Type of endpoint: Efficacy
| 2460527 | ecrin-mdr-crc
Project description:Animal model implicates microbiota-triggered oral mucosal Th17 cells as drivers of local immunopathology and therapeutic targets in periodontitis.
2018-12-31 | GSE118166 | GEO
Project description:Opportunistic oral infections are ultimately presented in a vast majority of HIV-infected patients, often causing debilitating lesions that also contribute to deterioration in nutritional health. Although appreciation for the role that the microbiota is likely to play in the initiation and/or enhancement of oral infections has grown considerably in recent years, little is known about the impact of HIV infection on host-microbe interactions within the oral cavity. In the current study, we characterize modulations in the bacterial composition of the lingual microbiome in patients with treated and untreated HIV infection. Bacterial species profiles were elucidated by microarray assay and compared between untreated HIV infected patients, HIV infected patients receiving antiretroviral therapy, and healthy HIV negative controls. The relationship between clinical parameters (viral burden and CD4+ T cell depletion) and the loss or gain of bacterial species was evaluated in each HIV patient group. Characterization of modulations in the dorsal tongue (lingual) microbiota that are associated with chronic HIV infection.
2012-06-25 | E-GEOD-38908 | biostudies-arrayexpress