Downregulation of POLD4 in Calu6 cells results in G1-S blockage through suppression of the Akt-Skp2-p27 pathway

Qinmiao Huang, Motoshi Suzuki, Yiming Zeng, Huaping Zhang, Dongyong Yang, Huihuang Lin

研究成果: Article査読

4 被引用数 (Scopus)

抄録

Previously, we have shown that downregulation of POLD4 in lung cancer cells delays progression through the G1-S cell cycle transition and leads to increased genomic instability. To date however, detailed molecular mechanisms have not been elucidated to explain how this occurs. In the present study, we found that reduction in POLD4 by siRNA knockdown promoted downregulation of both p-Akt Ser473 and Skp2 as well as upregulation of p27. Furthermore, these protein expression levels were rescued when siRNA-resistant POLD4 was ectopically expressed in the knockdown cells. These data suggest that the POLD4 downregulation is associated with impaired Akt-Skp2-p27 pathway in lung cancer.

本文言語English
ページ(範囲)1780-1783
ページ数4
ジャーナルBioorganic and Medicinal Chemistry Letters
24
7
DOI
出版ステータスPublished - 01-04-2014
外部発表はい

All Science Journal Classification (ASJC) codes

  • 生化学
  • 分子医療
  • 分子生物学
  • 薬科学
  • 創薬
  • 臨床生化学
  • 有機化学

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