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J Proteome Res. 2008 Apr;7(4):1403-11. doi: 10.1021/pr700870c. Epub 2008 Feb 27.

Proteomics of breast cancer: the quest for markers and therapeutic targets.

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INSERM U 908 (JE-2488) "Signalisation des facteurs de croissance dans le cancer du sein, Protéomique fonctionnelle", IFR-147, Institut National de la Santé et de la Recherche Médicale and Université Lille 1, France.


Proteomics of breast cancer has already delivered significant data in terms of proteome profiling in addition to the identification of a few proteins of potential interest for diagnosis and treatment. With more pathological and experimental situations being studied, it now enters into a new phase dominated by the concepts of deep proteome analysis and the definition of protein-protein interaction networks leading to mammary cell deregulation and cancer progression. Together, what could be called "Systems Proteomics", integrating with information from the genomics and the physiopathology, is clearly emerging to become the frame for future investigations. However, difficulties ahead should not be underestimated. First, the proteome is complex, and current tools are still far from providing a definitive solution for its exploration. Second, breast cancer is a multifactorial disease which is so diverse that a great deal of time and efforts will be necessary to define its associated proteome modifications and translate it into practical applications for the clinic.

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