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Comprehensive analysis for responsible gene of fused teeth using exome sequencing

Research Project

Project/Area Number 21K10173
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 57070:Developmental dentistry-related
Research InstitutionKanagawa Dental College

Principal Investigator

Yamaguchi Tetsutaro  神奈川歯科大学, 歯学部, 教授 (40384193)

Co-Investigator(Kenkyū-buntansha) 高橋 正皓  神奈川歯科大学, 歯学部, 講師 (10736713)
Project Period (FY) 2021-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2023: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2022: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2021: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywords癒合歯 / 遺伝子 / ゲノム / exome / シークエンス / 過剰歯 / ヒトゲノム / 家族性 / 全エクソンシーケンス
Outline of Research at the Start

癒合歯はヒトの顎が進化の過程で短縮してきたことにより、歯胚同士の間隔が狭くなったために隣り合う歯胚が癒合するとする人類の歯の退化の1つの現象とする考え方もあることからその遺伝因子の解明は歯科にとどまらない人類学・人類遺伝学、人類進化学、分子生物学においても大きな学術的波及効果が期待できる。日本人での発症率・出現頻度が高い疾患であれば、本研究成果が国民に還元できるところは大きく、その解明は急務である。

Outline of Final Research Achievements

Despite the fact that fused teeth are one of the most frequent malocclusions seen in the maxillofacial region, the cause of this disease is completely unknown. Interestingly, it is more common in the Japanese population, and the familial nature of the disease makes a genetic involvement obvious. On the other hand, “whole exome sequencing” has led to many reports of successful identification of causative genes for rare familial diseases. Understanding the mechanism of tooth formation is an important issue for understanding the pathogenesis of malocclusion and for establishing new methods of prevention and treatment of malocclusion. In this project, candidate genes for fused teeth, which are also the cause of malocclusion, were extracted by whole exome using a next-generation sequencer in two families with a familial history of mandibular fused permanent anterior teeth and in sporadic subjects.

Academic Significance and Societal Importance of the Research Achievements

癒合歯はヒトの顎が進化の過程で短縮してきたことにより、歯胚同士の間隔が狭くなったために隣り合う歯胚が癒合するとする人類の歯の退化の1つの現象とする考え方もあることからその遺伝因子の解明は歯科にとどまらない人類学・人類遺伝学、人類進化学、分子生物学においても大きな学術的波及効果が期待できる。さらに、不正咬合の病態理解や次世代に向けた新しい治療方法の足掛かりとする。

Report

(4 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • Research Products

    (15 results)

All 2023 2022 Other

All Int'l Joint Research (1 results) Journal Article (14 results) (of which Int'l Joint Research: 7 results,  Peer Reviewed: 14 results,  Open Access: 9 results)

  • [Int'l Joint Research] 釜山大学(韓国)

    • Related Report
      2021 Research-status Report
  • [Journal Article] Identification of candidate genes of familial multiple idiopathic cervical root resorption. Journal of endodontics2023

    • Author(s)
      Muromachi K, Hosomichi K, Park H, Yamaguchi T, Tani-Ishii N.
    • Journal Title

      Journal of endodontics

      Volume: 22 Issue: 11 Pages: 1537-1547

    • DOI

      10.1016/j.joen.2023.09.008

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] An Observational Study on Changes in the Oral and Gut Microbiota through Professional Mechanical Tooth Cleaning, including Tooth-Brushing Instructions in Patients with Multi-Bracket Appliances.2023

    • Author(s)
      Okuwaki S, Hosomichi K, Tajima A, Yamaguchi T.
    • Journal Title

      Applied Sciences

      Volume: 13 Pages: 10843-10843

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Comparison of Mandibular Volume and Linear Measurements in Patients with Mandibular Asymmetry2023

    • Author(s)
      Hikosaka Y, Koizumi S, Kim Y-I, Adel M, Nadim M, Hikita Y, Yamaguchi T
    • Journal Title

      Diagnostics (Basel)

      Volume: 13 Issue: 7 Pages: 1331-1331

    • DOI

      10.3390/diagnostics13071331

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Factors Associated with the Proximity of the Incisive Canal to the Maxillary Central Incisor2023

    • Author(s)
      Ishii T, Koizumi S, Yamaguchi T
    • Journal Title

      Applied Sciences

      Volume: 13 Pages: 6899-6899

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Validation of Machine Learning Models for Craniofacial Growth Prediction2023

    • Author(s)
      Kim E, Kuroda Y, Soeda Y, Koizumi S, Yamaguchi T
    • Journal Title

      Diagnostics (Basel)

      Volume: 13 Pages: 3369-3369

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Comparison of the maxillary sinus size of adult Korean individuals with different skeletal patterns using cone-beam computed tomography.2023

    • Author(s)
      Mitsuda C, Takahashi M, Kim Y-I, Takeda M, Hatanaka R, Sambe T, Yamaguchi T
    • Journal Title

      神奈川歯科大学学会雑誌

      Volume: 58 Pages: 99-104

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Effects of root contact length on the failure rate of anchor screw.2022

    • Author(s)
      Ikenaka R, Koizumi S, Otsuka T, Yamaguchi T
    • Journal Title

      Journal of Oral Science

      Volume: 64(3) Pages: 232-235

    • Related Report
      2022 Research-status Report
    • Peer Reviewed
  • [Journal Article] Condylar asymmetry in patients with mandibular asymmetry assessed by cone-beam computed tomography.2022

    • Author(s)
      Yuasa K, Otsuka T, Suginouchi Y, Adel M, Kim Y-I, Hikita Y, Koizumi S, Hatanaka R, Maki K, Yamaguchi T
    • Journal Title

      神奈川歯学

      Volume: 57(1) Pages: 24-30

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Exploring the Genetic Basis of Dens Evaginatus Using Whole-Exome Sequencing.2022

    • Author(s)
      Park H, Hosomichi K, Kim Y-I, Tajima A, Yamaguchi T
    • Journal Title

      Applied Sciences

      Volume: 12(18) Issue: 18 Pages: 8962-8962

    • DOI

      10.3390/app12188962

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Prevalence of saliva immunoglobulin A antibodies reactive with severe acute respiratory syndrome coronavirus 2 among Japanese people unexposed to the virus.2022

    • Author(s)
      Tsukinoki K, Yamamoto T, Saito J, Sakaguchi W, Iguchi K, Inoue Y, Ishii S, Sato C, Yokoyama M, Shiraishi Y, Kato N, Shimada H, Makabe A, Saito A, Tanji M, Nagaoka I, Saruta J, Yamaguchi T, Kimoto S, Yamaguchi H
    • Journal Title

      Microbiol Immunol

      Volume: 66 Issue: 8 Pages: 403-410

    • DOI

      10.1111/1348-0421.13011

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Factors influencing the differences between three-dimensional measurement with cephalometric analysis and cone-beam computed tomography.2022

    • Author(s)
      Ariwa M, Koizumi S, Yamaguchi T
    • Journal Title

      神奈川歯学

      Volume: 57(2) Pages: 98-103

    • Related Report
      2022 Research-status Report
    • Peer Reviewed
  • [Journal Article] Comprehensive Genetic Exploration of Fused Teeth by Whole Exome Sequencing.2022

    • Author(s)
      Park H, Hosomichi K, Kim Y-I, Hikita Y, Tajima A, Yamaguchi T
    • Journal Title

      Applied Sciences

      Volume: 12(23) Issue: 23 Pages: 11899-11899

    • DOI

      10.3390/app122311899

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Association of Mandibular Posterior Anatomic Limit with Skeletal Patterns and Root Morphology Using Three-Dimensional Cone Beam Computed Tomography Comprehensive Analysis.2022

    • Author(s)
      Iguchi K, Kim Y-I, Adel M, Nadim M, Hatanaka R, Koizumi S, Yamaguchi T
    • Journal Title

      Diagnostics

      Volume: 12(12) Issue: 12 Pages: 3019-3019

    • DOI

      10.3390/diagnostics12123019

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Chin Morphology in Relation to the Skeletal Pattern, Age, Gender, and Ethnicity.2022

    • Author(s)
      Okumura Y, Koizumi S, Suginouchi Y, Hikita Y, Kim Y-I, Adel M, Nadim M, Yamaguchi T
    • Journal Title

      Applied Sciences

      Volume: 12(24) Issue: 24 Pages: 12717-12717

    • DOI

      10.3390/app122412717

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research

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Published: 2021-04-28   Modified: 2025-01-30  

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