Generation of Mouse Monoclonal Antibody against (-)-Epigallocatechin Gallate(Biochemistry)

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概要

• 論文の詳細を見る

• Green tea is an acknowledged cancer preventive in Japan, and the main constituent of green tea catechins is (-)-epigallocatechin gallate (EGCG). To investigate the bioavailability of EGCG in humans, we generated a monoclonal antibody against EGCG in BALB/c mice by immunizing thyroglobulin-conjugated EGCG. Out of 32 hybridoma cell lines, three hybridomas were selected by enzyme-linked immunosorbent assay (ELISA), and then determined by surface plasmon resonance assay: One hybridoma TG38 produced a specific monoclonal antibody against EGCG. The primary structure of TG38 light chain was then deduced from DNA sequence of the light chain gene. The NCBI-BLAST search showed the uniqueness of TG38 monoclonal antibody, and three amino acid residues specific for TG38 were aligned on two loops and one β-sheet of the tertiary structure of the antibody. The TG38 antibody is the first monoclonal antibody against EGCG and catechins, since it bound to four green tea catechins with a galloyl group.

• 2008-05-01

著者

• KUZUHARA Takashi

  Laboratory of Biochemistry, Faculty of Pharmaceutical Sciences, Tokushima Bunri University

• KISE Daisuke

  Laboratory of Biochemistry, Faculty of Pharmaceutical Sciences, Tokushima Bunri University

• SHIRAKAWA Yayoi

  Laboratory of Biochemistry, Faculty of Pharmaceutical Sciences, Tokushima Bunri University

• SASADA Kinuko

  Laboratory of Biochemistry, Faculty of Pharmaceutical Sciences, Tokushima Bunri University

• SUGANUMA Masami

  Research Institute for Clinical Oncology, Saitama Cancer Center

• FUJIKI Hirota

  Laboratory of Biochemistry, Faculty of Pharmaceutical Sciences, Tokushima Bunri University

• Kise Daisuke

  Laboratory Of Biochemistry Faculty Of Pharmaceutical Sciences Tokushima Bunri University

• Sasada Kinuko

  Laboratory Of Biochemistry Faculty Of Pharmaceutical Sciences Tokushima Bunri University

• Fujiki H

  Saitama Cancer Center

• Fujiki Hirota

  Laboratory Of Biochemistry Faculty Of Pharmaceutical Sciences Tokushima Bunri University

• Sugihara M

  Saitama Cancer Center Saitama Jpn

• Suganuma Masami

  Research Institute For Clinical Oncology Saitama Cancer Center

• Shirakawa Yayoi

  Laboratory Of Biochemistry Faculty Of Pharmaceutical Sciences Tokushima Bunri University

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