Current Prevalence of Oral Helicobacter pylori among Japanese Adults Determined Using a Nested Polymerase Chain Reaction Assay

Persistent ID (NDL): info:ndljp/pid/12263518

Material type: 博士論文

Author: Nagata, Ryoko

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Publication date: 2021-03-23

Material Format: Digital

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Name of awarding university/degree: 新潟大学,博士（歯学）

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Note (General)：: In Japan, gastric Helicobacter pylori infection prevalence has markedly decreased with socioeconomic development. We aimed to investigate the prevalen...

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Material Type: 博士論文
Title: Current Prevalence of Oral Helicobacter pylori among Japanese Adults Determined Using a Nested Polymerase Chain Reaction Assay
Author/Editor: Nagata, Ryoko
Author Heading: Nagata, Ryoko
Publication Date: 2021-03-23
Publication Date (W3CDTF): 2021-03-23
Alternative Title: Nested PCRアッセイ法による日本人の口腔Helicobacter pyloriの検出率
Degree grantor/type: 新潟大学
Date Granted: 2021-03-23
Date Granted (W3CDTF): 2021-03-23
Dissertation Number: 甲第4862号
Degree Type: 博士（歯学）
Conferring No. (Dissertation): 甲第4862号
Text Language Code: eng
Alias of Author: 永田, 量子
Subject Heading: Helicobacter pylori
oral cavity
nested polymerase chain reaction (PCR)
prevalence
characteristic distribution
Target Audience: 一般
Note (General): In Japan, gastric Helicobacter pylori infection prevalence has markedly decreased with socioeconomic development. We aimed to investigate the prevalence of oral H. pylori in Japanese adults in 2020 by sex, age, sampling site, and medical history. Unstimulated saliva, supragingival biofilm, and tongue coating were obtained from 88 subjects-with no complaints of upper digestive symptoms-attending a dentist's office for dental check-up or disorders. Supragingival biofilm was collected from the upper incisors, lower incisors, upper right molars and lower left molars to analyze the characteristic distribution. Oral H. pylori was detected using nested polymerase chain reaction. Oral H. pylori prevalence did not statistically differ by sex or age. Supragingival biofilm (30.7%) was the most common oral H. pylori niche; it was also detected in 4.5% of saliva and 2.3% of tongue samples. The lower incisor was the most common site among the supragingival biofilm samples, followed by the upper incisors, lower left molars, and upper right molars. Oral H. pylori DNA was frequently detected in patients with a history of gastric H. pylori infection. Oral H. pylori has a characteristic distribution independent of sex and age, suggesting that it is part of the normal microflora in the adult oral cavity.
Pathogens. 2021, 10(1), 10.
新大院博(歯)第470号
Persistent ID (NDL): info:ndljp/pid/12263518
https://dl.ndl.go.jp/pid/12263518
Collection: 障害者向け資料
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Collection (particular): 国立国会図書館デジタルコレクション > デジタル化資料 > 博士論文
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Acquisition Basis: 博士論文（自動収集）
Date Accepted (W3CDTF): 2022-05-09T11:57:37+09:00
Format (IMT): application/pdf
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Periodical Title (URI): http://hdl.handle.net/10191/0002000358
https://niigata-u.repo.nii.ac.jp/records/2000358
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