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Expression of transforming growth factor- B receptor in retinoblastoma Hideki Tsujio 1 , Kuniko Horie 2 , Takayoshi Kojima 3 , Hidetoshi Yamashita 4 1Dept of Ophthalmol, Cancer Institute Hosp 2Dept of Pharmacol, Univ of California San Diego 3Dept of Ophthalmol, Omiya Red Cross Hos 4Dept of Ophthalmol, Faculty of Med, Tokyo Univ pp.1171-1174
Published Date 1999/6/15
DOI https://doi.org/10.11477/mf.1410906414
  • Abstract
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It has been claimed that the expression of transforming growth factor-β(TGF-β) is absent in retinoblastoma. We made immunohistological studies regarding the expression of TGF-β I and TGF-β II at the protein level in retinoblastoma. The retinoblastoma cell line expressed TGF-β type II receptor and not TGF-β type I receptor. All the 6 eyes of retinoblastoma failed to show expression of TGF-β type II receptor at the protein level. The findings show that the decreased expression of TGF-β type II receptor in retinoblastoma is related with the loss of sensitivity to TGF-β.


Copyright © 1999, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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