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Journal of Molecular Medicine

, Volume 85, Issue 5, pp 427–436 | Cite as

The role of STATs in lung carcinogenesis: an emerging target for novel therapeutics

  • Michalis V. Karamouzis
  • Panagiotis A. Konstantinopoulos
  • Athanasios G. PapavassiliouEmail author
Review

Abstract

The signal transducer and activator of transcription (STAT) proteins are a family of latent cytoplasmic transcription factors, which form dimers when activated by cytokine receptors, tyrosine kinase growth factor receptors as well as non-receptor tyrosine kinases. Dimeric STATs translocate to the nucleus, where they bind to specific DNA-response elements in the promoters of target genes, thereby inducing unique gene expression programs often in association with other transcription regulatory proteins. The functional consequence of different STAT proteins activation varies, as their target genes play diverse roles in normal cellular/tissue functions, including growth, apoptosis, differentiation and angiogenesis. Certain activated STATs have been implicated in human carcinogenesis, albeit only few studies have focused into their role in lung tumours. Converging evidence unravels their molecular interplays and complex multipartite regulation, rendering some of them appealing targets for lung cancer treatment with new developing strategies.

Keywords

Lung cancer STAT JAK Signal transduction Transcription factor 

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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • Michalis V. Karamouzis
    • 1
  • Panagiotis A. Konstantinopoulos
    • 1
    • 2
  • Athanasios G. Papavassiliou
    • 1
    Email author
  1. 1.Department of Biological Chemistry, Medical SchoolUniversity of AthensAthensGreece
  2. 2.Division of Hematology–Oncology, Harvard Medical SchoolBeth Israel Deaconess Medical CenterBostonUSA

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