Suberoylanilide hydroxamic acid (SAHA) induces apoptosis or autophagy-associated cell death in chondrosarcoma cell lines

Shunsaku Yamamoto, Kazuhiro Tanaka, Riku Sakimura, Takamitsu Okada, Tomoyuki Nakamura, Yan Li, Minoru Takasaki, Yusaku Nakabeppu, Yukihide Iwamoto

研究成果: ジャーナルへの寄稿学術誌査読

91 被引用数 (Scopus)

抄録

Background: Since chondrosarcoma has a high resistance to conventional chemotherapy and radiotherapy, surgical resection is currently the only effective treatment. Histone deacetylase (HDAC) inhibitor exert anticancer effects, but have not been tested in chondrosarcoma. Materials and Methods: We investigated the phenotypic change in chondrosarcoma cells treated with SAHA by cell viability assay, Western blot, flow cytometric analysis and electron microscopy. Results: SAHA inhibited the growth of chondrosarcoma cell lines and induced apoptosis in SW1353 with a cleaved-PARP expression and sub-G1 fragmentation according to flow cytometric analysis. On the other hand, in RCS and OUMS-27, SAHA induced autophagy-associated cell death as shown by the detection of autophagosome-specific protein and specific ultrastructural morphology in the cytoplasm. In addition, SAHA significantly inhibited tumor growth in an in vivo xenograft model. Conclusion: These results suggest that SAHA might be a promising agent for performing clinically useful chemotherapy against chondrosarcomas.

本文言語英語
ページ(範囲)1585-1591
ページ数7
ジャーナルAnticancer research
28
3 A
出版ステータス出版済み - 5月 2008

!!!All Science Journal Classification (ASJC) codes

  • 腫瘍学
  • 癌研究

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