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NADPH oxidase 5 (NOX5)-induced reactive oxygen signaling modulates normoxic HIF-1α and p27

  • Smitha Antony
  • , Guojian Jiang
  • , Yongzhong Wu
  • , Jennifer L Meitzler
  • , Hala R Makhlouf
  • , Diana C Haines
  • , Donna Butcher
  • , Dave S B Hoon
  • , Jiuping Ji
  • , Yiping Zhang
  • , Agnes Juhasz
  • , Jiamo Lu
  • , Han Liu
  • , Iris Dahan
  • , Mariam Konate
  • , Krishnendu K Roy
  • , James H Doroshow

Research output: Contribution to journalArticle

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Abstract

NADPH oxidase 5 (NOX5) generated reactive oxygen species (ROS) have been implicated in signaling cascades that regulate cancer cell proliferation. To evaluate and validate NOX5 expression in human tumors, we screened a broad range of tissue microarrays (TMAs), and report substantial overexpression of NOX5 in malignant melanoma and cancers of the prostate, breast, and ovary. In human UACC-257 melanoma cells that possesses high levels of functional endogenous NOX5, overexpression of NOX5 resulted in enhanced cell growth, increased numbers of BrdU positive cells, and increased γ-H2AX levels. Additionally, NOX5-overexpressing (stable and inducible) UACC-257 cells demonstrated increased normoxic HIF-1α expression and decreased p27

Original languageUndefined/Unknown
JournalArticles, Abstracts, and Reports
StatePublished - Dec 1 2017

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