論文

2021年9月

Aldo-keto reductase inhibitors increase the anticancer effects of tyrosine kinase inhibitors in chronic myelogenous leukemia.

Journal of pharmacological sciences
  • Megumi Kikuya
  • ,
  • Kenta Furuichi
  • ,
  • Takuya Hirao
  • ,
  • Satoshi Endo
  • ,
  • Naoki Toyooka
  • ,
  • Kousei Ito
  • ,
  • Shigeki Aoki

147
1
開始ページ
1
終了ページ
8
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1016/j.jphs.2021.05.001

Tyrosine kinase inhibitors (TKIs) are widely utilized in clinical practice to treat carcinomas, but secondary tumor resistance during chronic treatment can be problematic. AKR1B1 and AKR1B10 of the aldo-keto reductase (AKR) superfamily are highly expressed in cancer cells and are believed to be involved in drug resistance. The aim of this study was to understand how TKI treatment of chronic myelogenous leukemia (CML) cells changes their glucose metabolism and if inhibition of AKRs can sensitize CML cells to TKIs. K562 cells were treated with the TKIs imatinib, nilotinib, or bosutinib, and the effects on glucose metabolism, cell death, glutathione levels, and AKR levels were assessed. To assess glucose dependence, cells were cultured in normal and low-glucose media. Pretreatment with AKR inhibitors, including epalrestat, were used to determine AKR-dependence. Treatment with TKIs increased intracellular glucose, AKR1B1/10 levels, glutathione oxidation, and nuclear translocation of nuclear factor erythroid 2-related factor 2, but with minimal cell death. These effects were dependent on intracellular glucose accumulation. Pretreatment with epalrestat, or a selective inhibitor of AKR1B10, exacerbated TKI-induced cell death, suggesting that especially AKR1B10 was involved in protection against TKIs. Thus, by disrupting cell protective mechanisms, AKR inhibitors may render CML more susceptible to TKI treatments.

リンク情報
DOI
https://doi.org/10.1016/j.jphs.2021.05.001
PubMed
https://www.ncbi.nlm.nih.gov/pubmed/34294359
ID情報
  • DOI : 10.1016/j.jphs.2021.05.001
  • PubMed ID : 34294359

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