Hard tissue inducibility of a novel synthetic peptide in rat pulp

Material type: 博士論文

Author: 松尾, 望

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Name of awarding university/degree: 大阪歯科大学,博士（歯学）

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Note (General)：: Enamel matrix derivative (EMD) is a periodontal tissue regeneration material that induced hard tissue formation. This study was performed to examine t...

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Material Type: 博士論文
Title: Hard tissue inducibility of a novel synthetic peptide in rat pulp
Author/Editor: 松尾, 望
Author Heading: 松尾, 望
Alternative Title: ラット歯髄における新規合成ペプチドの硬組織誘導性
Degree grantor/type: 大阪歯科大学
Date Granted: 2021-03-05
Dissertation Number: 甲第905号
Degree Type: 博士（歯学）
Text Language Code: eng
Subject Heading: Direct pulp capping
Rat molars
Enamel matrix derivative
Hard tissue formation
A Synthetic peptide
Target Audience: 一般
Note (General): Enamel matrix derivative (EMD) is a periodontal tissue regeneration material that induced hard tissue formation. This study was performed to examine the reaction of dental pulp tissue directly capped with a synthetic peptide prepared based on EMD research, and to investigate its potential as a pulp capping material.The experiments were performed in the maxillary left and right first molars of five 6-week-old male Sprague–Dawley rats. The exposed pulp was capped with synthetic peptide in the peptide group, but left uncapped in the control group. Two weeks later, the maxillary bone was isolated and photographed by microfocus computed tomography (CT). The opaque area and volume of the coronal pulp cavity were measured on CT images, and the area-to-volume ratio was calculated. After decalcification, tissue samples were prepared, stained with hematoxylin and eosin (H&E), and examined histopathologically.CT images for both groups showed an opaque area in the coronal pulp cavity, and the fraction of images showing opacity was significantly higher in the peptide group (P < 0.01). A large amount of hard tissue was formed in the coronal pulp cavity in the peptide group, around which aggregation of cells with eosinophilic substances in polytopes was observed. Only slight hard tissue formation was observed in the control group. As it showed eosinophilicity on H&E staining, the synthetic peptide was suggested to be involved in hard tissue formation. Synthetic peptides can potentially be used as pulp capping materials.
2020年度
Source: fulltext
https://osaka-dent.repo.nii.ac.jp/?action=repository_action_common_download&item_id=292&item_no=1&attribute_id=20&file_no=2
fulltext
https://osaka-dent.repo.nii.ac.jp/?action=repository_action_common_download&item_id=292&item_no=1&attribute_id=20&file_no=1
Access Restrictions: インターネット公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 大阪歯科大学 : 大阪歯科大学学術リポジトリ