Changes in salivary periodontal pathogens after orthodontic treatment: An in vivo prospective study.

CONCLUSION:   The higher salivary levels of Aa and Fn after debonding suggests that the risk of periodontal problems cannot be completely eliminated by the removal of fixed orthodontic appliances during the initial retention period, despite improved oral hygiene. PMID: 26606331 [PubMed - as supplied by publisher]
Source: The Angle Orthodontist - Category: Dentistry Authors: Tags: Angle Orthod Source Type: research

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While the direct cause of inflammatory bowel disease (IBD) is unknown, the gut microbiota is speculated to play a key role. The complexity of the microbiome has made it difficult to pinpoint whether bacterial species are specifically associated with IBD exacerbations; although select microbes have emerged as compelling candidates. Several groups have identified increased abundance in Fusobacterium in IBD patients. Fusobacterium nucleatum drives inflammation in the oral cavity, but few studies have examined the potential for F.  nucleatum to promote intestinal inflammation.
Source: Gastroenterology - Category: Gastroenterology Authors: Tags: Epithelial Cell Biology/Function in Inflammation Source Type: research
This study documents relationships between GM and ICPP, and the implication of these findings remains to be determined.
Source: Frontiers in Endocrinology - Category: Endocrinology Source Type: research
(Georgetown University Medical Center) A bacteria typically linked to periodontal disease, Fusobacterium nucleatum (F. nuc), could play an important role in the rising incidence of colorectal cancer in people under the age of 45. Another type of bacteria, Moraxella osloensis, has been found in colorectal cancer tumors at a nearly four-fold higher rate in people over 75 than in those under 45 years of age. These are the preliminary findings of an ongoing study that will be presented at ASCO GI 2020.
Source: EurekAlert! - Cancer - Category: Cancer & Oncology Source Type: news
In this study glucose-1-phosphate (Glc-1P) biofunctionalized zinc peroxide (ZnO₂) nanoparticles of four different synthesis ratio (1-10:1) and sizes (4-5 nm) were tested against the anaerobes Fusobacterium nucleatum, Porphyromonas gingivalis, and Prevotella intermedia, as well as against Aggregatibacter actinomycetemcomitans, Enterococcus faecalis, Staphylococcus aureus, Lactobacillus paracasei, and the yeast Candida albicans. Nanoparticles stabilized with o-phosphorylethanolamine, bis[2-(methacryloyloxy)ethyl] phosphate, or dioctyl sulfosuccinate instead of glucose were used as controls. For every combination of test ...
Source: Anaerobe - Category: Microbiology Authors: Tags: Anaerobe Source Type: research
ConclusionsBiofilm disruption and cell viability were influenced by the species, the test agent and the duration of exposure. CTAB and SDS were more effective in biofilm disruption than Tween 80 ™. Graphical depiction of biofilm disruption- and viability-outcomes provides an alternative means of simultaneously visualising and analysing relative efficacy in different domains.Clinical relevanceSurfactants were not as effective at biofilm disruption as NaOCl but may be added to other non-disruptive antibacterial agents to enhance this property.
Source: Clinical Oral Investigations - Category: Dentistry Source Type: research
The oral microbiota plays an important role in the human microbiome and human health, and imbalances between microbes and their hosts can lead to oral and systemic diseases and chronic inflammation, which is usually caused by bacteria and contributes to cancer. There may be a relationship between oral bacteria and oral squamous cell carcinoma (OSCC); however, this relationship has not been thoroughly characterized. Therefore, in this study, we compared the microbiota compositions between tumor sites and opposite normal tissues in buccal mucosal of 50 patients with OSCC using the 16S rDNA sequencing. Richness and diversity ...
Source: Frontiers in cellular and infection microbiology - Category: Microbiology Source Type: research
Contributors : Qiang Feng ; Wenyan KangSeries Type : Expression profiling by high throughput sequencingOrganism : Homo sapiensTo better understand the global responses of GMSCs to F. nucleatum infection along the time sequence, we performed a genome-wide transcriptome analysis by RNA-sequencing technology to determine the global changes on gene expression level
Source: GEO: Gene Expression Omnibus - Category: Genetics & Stem Cells Tags: Expression profiling by high throughput sequencing Homo sapiens Source Type: research
Source: Gut Microbes - Category: Microbiology Authors: Source Type: research
This study investigated the effect of EA on IL-18 and gut microbial dysbiosis in one visceral hypersensitive rat models with PI-IBS. A trinitrobenzene sulfonic acid (TNBS)-induced visceral hypersensitivity rat model was developed. EA stimulation was applied to the ST25 and ST36 acupoints. Animals were assessed using abdominal withdrawal reflex (AWR) scores to determine the development of colonic visceral hypersensitivity. The 16S rRNA was used to correlate microbial diversity. IL-18 expression in colon was quantified by quantitative real-time PCR and western blotting. We identified that model rats had an increased visceral...
Source: The American Journal of Chinese Medicine - Category: Complementary Medicine Authors: Tags: Am J Chin Med Source Type: research
Source: Gut Microbes - Category: Microbiology Authors: Source Type: research
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