Structure and function of a novel ErbB ligand, NTAK

H. Ishiguro, S. Higashiyama, K. Yamada, N. Ichino, N. Taniguchi, T. Nagatsu

研究成果: Short survey

4 引用 (Scopus)

抄録

A novel member of the epidermal growth factor (EGF) family, the neural and thymus-derived activator for ErbB kinase (NTAK) has been cloned from the cDNA library of a rat pheochromocytoma cell line, PC12 cells and human neuroblastoma cell line, SK-N-SH cells. Four alternative spliced isoforms from rat cDNA have been detected by the methods of RT-PCR. The rat NTAKα2a isoform exhibits 94% identity in its sequence with the human NTAKα isoform. Three characteristic Ig-like, EGF-like and hydrophobic domains have been identified in rat and human NTAK molecules. Recombinant NTAK, the soluble 46 kDa form, binds directly to ErbB3 and ErbB4, but not ErbB1 and B2. NTAK, however, transactivates with heterodimer such as ErbB1/B3, B1/B4, B2/B3, B2/B4 and B3/B4. NTAK stimulates the differentiation of MDA-MB-453 cells, derived from blast carcinoma. NTAK competitively inhibits the binding of [125I] NRG-1 to these cells. Thus, NTAK is a new member of the EGF family displaying NRG-1 properties.

元の言語English
ページ(範囲)137-142
ページ数6
ジャーナルJapanese Journal of Psychopharmacology
18
発行部数4
出版物ステータスPublished - 11-12-1998

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Thymus Gland
Phosphotransferases
Ligands
Epidermal Growth Factor
Protein Isoforms
PC12 Cells
Neuroblastoma
Gene Library
Complementary DNA
Carcinoma
Cell Line
Polymerase Chain Reaction

All Science Journal Classification (ASJC) codes

  • Medicine(all)

これを引用

Ishiguro, H., Higashiyama, S., Yamada, K., Ichino, N., Taniguchi, N., & Nagatsu, T. (1998). Structure and function of a novel ErbB ligand, NTAK. Japanese Journal of Psychopharmacology, 18(4), 137-142.
Ishiguro, H. ; Higashiyama, S. ; Yamada, K. ; Ichino, N. ; Taniguchi, N. ; Nagatsu, T. / Structure and function of a novel ErbB ligand, NTAK. :: Japanese Journal of Psychopharmacology. 1998 ; 巻 18, 番号 4. pp. 137-142.
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Ishiguro, H, Higashiyama, S, Yamada, K, Ichino, N, Taniguchi, N & Nagatsu, T 1998, 'Structure and function of a novel ErbB ligand, NTAK', Japanese Journal of Psychopharmacology, 巻. 18, 番号 4, pp. 137-142.

Structure and function of a novel ErbB ligand, NTAK. / Ishiguro, H.; Higashiyama, S.; Yamada, K.; Ichino, N.; Taniguchi, N.; Nagatsu, T.

:: Japanese Journal of Psychopharmacology, 巻 18, 番号 4, 11.12.1998, p. 137-142.

研究成果: Short survey

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Ishiguro H, Higashiyama S, Yamada K, Ichino N, Taniguchi N, Nagatsu T. Structure and function of a novel ErbB ligand, NTAK. Japanese Journal of Psychopharmacology. 1998 12 11;18(4):137-142.