Abnormality of bone and cartilage in transgenic mice with mutant PTH/PTHrP receptor

2008 Fiscal Year Final Research Report

• Project/Area Number: 19791601
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Orthodontic/Pediatric dentistry
• Research Institution: The Nippon Dental University
• Principal Investigator: SHIMOMURA Junko The Nippon Dental University, 新潟生命歯学部, 准教授 (00386286)
• Project Period (FY): 2007 – 2008
• Keywords: 骨 / 軟骨

Research Abstract

本研究目的は、正常な野生型PTH/PTHrP受容体(PTH-R)タンパクは小胞体・ゴルジ体を経由してすみやかに細胞膜上に輸送されるのに対して、Blomstrand型PTH/PTHrP受容体(PTH-RP132L)タンパクは小胞体の品質管理機構によって細胞膜まで輸送されず小胞体蓄積または細胞質内漏出を受ける可能性について解析することである。その結果、PTH-RP132L遺伝子を過剰発現する培養骨芽細胞ならびに軟骨細胞では、変異型受容体蛋白は細胞膜上に発現せず小胞体への蓄積を示した。

Research Products

• [Journal Article] Tannerella forsythia and the HLA-DQB1 allele are associated with susceptibility to periodontal disease in Japanese adolescents (2009)
  • Author(s): Shimomura-Kuroki J, Yamashita K, Shimooka S
  • Journal Title: Odontology 97 Pages: 32-37
  • Peer Reviewed
• [Journal Article] Comparison of shear bond strengths of orthodontic brackets bonded to deciduous and permanent teeth (2008)
  • Author(s): Endo T, Ozoe R, Shinkai K, Shimomura J, Katoh Y, Shimooka S
  • Journal Title: American Journal of Orthodontics and Dentofacial Orthopedics 134 Pages: 198-202
  • Peer Reviewed
• [Journal Article] Amizuka N : Rat wild-type parathyroid hormone receptor (PTH-R) and mutant PTH-RP132L show the different intracellular localization in vitro (2008)
  • Author(s): Shimomura-Kuroki J, Sobhan U, de Freitas PH, Li M, Ishida Y, Saito N, Oda K, Shimooka S
  • Journal Title: Biomedical Research 29(2) Pages: 61-69
  • Peer Reviewed
• [Journal Article] 骨細胞・骨細管系の顕微解剖学 (2008)
  • Author(s): 網塚憲生,Ubaidus Sobhan,小島拓,Freitas Paulo HL,李敏啓,下村淳子
  • Journal Title: 腎と骨代謝 21(3) Pages: 183-190
• [Journal Article] PIASxβis a key regulator of osterix transcriptional activity and matrix mineralization in osteoblasts (2007)
  • Author(s): Ali MM, Yoshizawa T, Ishibashi O, Matsuda A, Ikegame M, Shimomura J, Mera H, Nakashima K, Kawashima H
  • Journal Title: Journal of Cell Science 120(15) Pages: 2565-2573
  • Peer Reviewed
• [Journal Article] Distribution of macrophages, osteoclasts and the B-lymphocyte lineage in osteolytic metastasis of mouse mammary carcinoma (2007)
  • Author(s): Li M., Sasaki T., Ono K., de Freitas PH., Sobhan U., Kojima T., Shimomura J., Oda K., Amizuka N.
  • Journal Title: Biomedical Research 28(3) Pages: 127-137
  • Peer Reviewed
• [Journal Article] 骨粗鬆症-臨床と研究の最新動向 (2007)
  • Author(s): 網塚憲生.李敏啓,下村淳子
  • Journal Title: 骨粗鬆症理解のための基礎,骨の構造と機能,医学のあゆみ 221巻1号 Pages: 5-13
• [Presentation] Abnormal intracellular localization and transport of a PTH-R mutant protein (2008)
  • Author(s): Shimomura-Kuroki J, Yamashita K, Oda K, Shimooka S, Amizuka N
  • Organizer: The 86th General Session & Exhibition of the IADR
  • Place of Presentation: Toronto, Canada
  • Year and Date: 20080702-0705
• [Presentation] PTH/PTHrP受容体遺伝子変異による細胞内局在異常 (2008)
  • Author(s): 下村淳子,山下貴絵,下岡正八
  • Organizer: 第46回日本小児歯科学会大会
  • Place of Presentation: 埼玉
  • Year and Date: 20080612-13
• [Presentation] 若年者における歯周病原性菌と遺伝的要因の関係 (2007)
  • Author(s): 下村淳子,下岡正八
  • Organizer: 第45回日本小児歯科学会大会
  • Place of Presentation: 東京
  • Year and Date: 20070719-20
• [Presentation] カドヘリン-11はマウス頭蓋骨発生においてFGF受容体1を安定化する (2007)
  • Author(s): 喜井勲,徐方,下村淳子,網塚憲生,常智杰,工藤明
  • Organizer: 第40回日本発生生物学会・第59回日本細胞生物学会合同大会
  • Place of Presentation: 福岡
  • Year and Date: 20070528-30