Wetenschappelijk onderzoek : Oral microbiota transplantation for intra-oral halitosis: a feasibility analysis based on an oral microbiota colonization trial in Wistar rats | ES/IODE
Documentdetail
ID kaart

doi:10.1186/s12866-024-03322-4...

Auteur
Huang, Zhiqiang Cheng, Yongbo
Langue
en
Editor

BioMed Central

Categorie

Mycology

Jaar

2024

vermelding datum

22-05-2024

Trefwoorden
intra-oral halitosis oral flora flora imbalance microbiota transplantation 16srrna gene sequencing picrust metabolic analysis feasibility salivary associated significantly baseline transplantation < 0 values wistar ioh treatment compared metabolic microbiota oral test flora

Beschrijving

Background Intra-oral halitosis (IOH) is bad breath produced locally by the mouth in addition to systemic diseases and is one of the main causes of interpersonal communication and psychological disorders in modern society.

However, current treatment modalities still only alleviate IOH and do not eradicate it.

Therefore, based on the differential performance of oral microecology in IOH patients, we propose a microbiota transplantation treatment aimed at restoring oral microecological balance and analyze its feasibility by oral flora colonization test in Wistar rats.

Objective Saliva flora samples were collected from IOH patients and healthy subjects to analyze the feasibility of oral microbiota transplantation (OMT) for the treatment of IOH by the Wistar rat oral flora colonization test.

Methods Seven patients with IOH who visited the First Affiliated Hospital of Xinjiang Medical University from June 2017 to June 2022 with the main complaint of halitosis and three healthy subjects were randomly selected.

A Halimeter portable breath detector was used to record breath values and collect saliva flora samples.

Sixteen SPF-grade male Wistar rats were housed in the Animal Experiment Center of Xinjiang Medical University and randomly divided into an experimental group (Group E) and a control group (Group C) for the oral flora colonization test.

Species composition and associated metabolic analysis of oral flora during the Wistar rat test using 16SrRNA sequencing technology and PICRUSt metabolic analysis.

Also, the changes in the breath values of the rats were recorded during the test.

Results The proportion of Porphyromonas , Fusobacterium , Leptotrichia , and Peptostreptococcus was significantly higher in group E compared to group C after colonization of salivary flora of IOH patients (all P  < 0.05), and the abundance with Gemella was zero before colonization, while no colonization was seen in group C after colonization compared to baseline.

PICRUSt metabolic analysis also showed significantly enhanced IOH-related metabolic pathways after colonization in group E (all P  < 0.05), as well as significantly higher breath values compared to baseline and group C (all P  < 0.0001).

After colonization by salivary flora from healthy subjects, group E rats showed a decrease in the abundance of associated odor-causing bacteria colonization, a reduction in associated metabolism, and a significant decrease in breath values.

In contrast, group C also showed differential changes in flora structure and breath values compared to baseline after salivary flora colonization of IOH patients.

Conclusions OMT for IOH is a promising green treatment option, but the influence of environmental factors and individual differences still cannot be ignored.

Huang, Zhiqiang,Cheng, Yongbo, 2024, Oral microbiota transplantation for intra-oral halitosis: a feasibility analysis based on an oral microbiota colonization trial in Wistar rats, BioMed Central

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