Expression of NADPH oxidase homologues and accessory genes in human cancer cell lines, tumours and adjacent normal tissues

Free Radic Res. 2009 Jun;43(6):523-32. doi: 10.1080/10715760902918683.


The family of NADPH oxidase (NOX) genes produces reactive oxygen species (ROS) pivotal for both cell signalling and host defense. To investigate whether NOX and NOX accessory gene expression might be a factor common to specific human tumour types, this study measured the expression levels of NOX genes 1-5, dual oxidase 1 and 2, as well as those of NOX accessory genes NoxO1, NoxA1, p47(phox), p67(phox) and p22(phox) in human cancer cell lines and in tumour and adjacent normal tissue pairs by quantitative, real-time RT-PCR. The results demonstrate tumour-specific patterns of NOX gene expression that will inform further studies of the role of NOX activity in tumour cell invasion, growth factor response and proliferative potential.

Publication types

  • Research Support, N.I.H., Extramural

MeSH terms

  • Cell Line, Tumor
  • Dual Oxidases
  • Gene Expression
  • Humans
  • NADPH Oxidases / genetics*
  • Neoplasm Invasiveness / genetics*
  • Neoplasms / genetics*
  • Neoplasms / pathology
  • Reverse Transcriptase Polymerase Chain Reaction


  • Dual Oxidases
  • NADPH Oxidases
  • DUOX1 protein, human
  • DUOX2 protein, human