Analysis of activation, maintenance and antibody production of IgE positive B cells

2008 Fiscal Year Final Research Report

• Project/Area Number: 19590493
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Immunology
• Research Institution: Tokyo Medical and Dental University
• Principal Investigator: ADACHI Takahiro Tokyo Medical and Dental University, 難治疾患研究所, 准教授 (50222625)
• Project Period (FY): 2007 – 2008
• Keywords: IgE / シグナル伝達 / Bリンパ球

Research Abstract

花粉症などI型アレルギーはIgEを介して発症するが、IgE産生細胞についてはよくわかっていない。そこで、マウスのIgE陽性B細胞についての解析を行い、リンパ組織である脾臓および骨髄中のIgE陽性細胞を調べたところ、脾臓では数百程度のIgE陽性B細胞が存在することが確認された。これらは長期間存在するIgG陽性の記憶B細胞と類似したものが主要であった。一方骨髄ではIgE陽性細胞は存在するものの、IgE陽性B細胞はごく少数であった。

Research Products

• [Journal Article] Centromeric interval of chromosome 4 derived from C57BL/6 mice accelerates type 1 diabetes in NOD.CD72b congenic mice (2009)
  • Author(s): Hou, R., Ohtsuji, M., Ohtsuji, N., Zhang, L., Adachi, T., Hirose, S., Tsubata, T.
  • Journal Title: Biochem Biophys Res Commun. 380 Pages: 193-197
• [Journal Article] Ligation of tumor-produced mucins to CD22 dramatically impairs splenic marginal zone B cells (2009)
  • Author(s): Toda, M., Hisano, R., Yurugi, H., Akita, K., Maruyama, K., Inoue, M., Adachi, T., Tsubata, T., Nakada, H.
  • Journal Title: Biochem J. 417 Pages: 673-683
  • Peer Reviewed
• [Journal Article] Design, synthesis, and structure-affinity relationships of novel series of Sialosides as CD22-Specific Inhibitors (2008)
  • Author(s): Abdu-Allah, H. H., Tamanaka, T., Yu, J., Zhuoyuan, L., Sadagopan, M., Adachi, T., Tsubata, T., Kelm, S., Ishida, H., Kiso, M.
  • Journal Title: J Med Chem. 51 Pages: 6665-6668
  • Peer Reviewed
• [Journal Article] FRET-based Ca^<2+> measurement in B lymphocyte by flow cytometry and confocal microscopy (2008)
  • Author(s): Adachi, T, Tsubata, T.
  • Journal Title: Biochem Biophys Res Commun 367 Pages: 377-82
  • Peer Reviewed
• [Journal Article] ER stress is involved in B cell antigen receptor ligation-induced apoptosis (2008)
  • Author(s): Yan, B-C., Adachi, T., Tsubata, T.
  • Journal Title: Biochem Biophys Res Commun 365 Pages: 143-148
  • Peer Reviewed
• [Journal Article] Novel binding site for Src homology 2-containing protein-tyrosine phosphatase-1 in CD22 activated by B lymphocyte stimulation with antigen (2008)
  • Author(s): Zhu, C., Sato, M., Yanagisawa, T., Fujimoto, M., Adachi, T., Tsubata, T.
  • Journal Title: J Biol Chem 283 Pages: 1653-1659
  • Peer Reviewed
• [Journal Article] Synthetic glycan ligand excludes CD22 from antigen receptor-containing lipid rafts (2007)
  • Author(s): Yu, J., Sawada, T., Adachi, T., Gao, X., Takematsu, H., Kozutsumi, Ya., Ishida, H., Kiso, M., Tsubata, T.
  • Journal Title: Biochem Biophys Res Commun 360 Pages: 759-764
  • Peer Reviewed
• [Journal Article] Interdomain A is crucial for ITAM-dependent and-independent regulation of Syk (2007)
  • Author(s): Adachi, T., Wienands, J.,Tsubata, T., Kurosaki, T.
  • Journal Title: Biochem Biophys Res Commun 364 Pages: 111-117
  • Peer Reviewed
• [Presentation] CD22による糖鎖リガンド依存的およびひ依存的なB細胞抗原受容体シグナル伝達制御 (2008)
  • Author(s): 安達貴弘
  • Organizer: 日本免疫学会
  • Place of Presentation: 京都
  • Year and Date: 2008-12-01
• [Presentation] CD22によるアイソタイプ特異的抗原受容体シグナル伝達制御には多価の蛋白質抗原が必要である (2007)
  • Author(s): 安達貴弘
  • Organizer: 日本免疫学会
  • Place of Presentation: 東京
  • Year and Date: 2007-12-03