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Osteosarcoma and Angiogenesis : A Clue to New Therapeutic Strategy for Osteosarcoma Mitsunori Kaya 1 , Takuro Wada 1 , Satoshi Nagoya 1 , Satosi Kawaguchi 1 , Toshihiko Yamashita 1 , Hiroaki Hiraga 2 , Kazuo Isu 2 , Seiichi Ishii 3 1Department of Orthopaedic Surgery, Sapporo Medical University School of Medicine 2Division of Orthopaedic Surgery and Department of Clinical Research, National Sapporo Hospital 3Higashi Hokkaido Hospital Keyword: osteosarcoma , 骨肉腫 , angiogenesis , 血管新生 , anti-angiogenic therapy , 抗血管新生療法 pp.1273-1279
Published Date 2003/10/1
DOI https://doi.org/10.11477/mf.1408100832
  • Abstract
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 We investigated the clinical significance of angiogenesis in the establishment of pulmonary metastases of osteosarcoma. The metastatic rate of the patients who had VEGF-positive tumors was significantly higher than that of those who had VEGF-negative tumors. The serum VEGF levels were higher in patients who relapsed with pulmonary metastases than those of patients without relapse. We also demonstrated in an experimental animal models that removal of the primary osteosarcoma tumor acclerated the progression of pulmonary metastasis through systemic angiogenic activation. These results suggest that the establishment and progression of pulmonary metastases of osteosarcoma are strongly associated with angiogenesis. Anti-angiogenic should improve the prognosis of osteosarcoma patients.


Copyright © 2003, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1286 印刷版ISSN 0557-0433 医学書院

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