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1.  Notch signaling in lung cancer 
Lung cancer is the leading cause of cancer-related deaths in the Western world. Lungs can be affected by a number of histologically diverse malignancies. Nonetheless, the vast majority of lung cancers are classified as non-small cell lung cancer (NSCLC). Despite extensive research on different therapeutic regimens, the overall 5-year survival of patients diagnosed with NSCLC (all stages) is a dismal 15%. Although strongly correlated with tobacco smoke, there is an increasing NSCLC morbidity in individuals who have never smoked. The pattern of genetic lesions found in NSCLC derived from smokers and never-smokers appears to be different. This fact led to the hypothesis that different, still unidentified carcinogens are responsible for lung cancer onset in never-smokers. All the above considerations compel the scientific community to find novel therapeutic targets to fight such a deadly disease.
In recent years critical pathways governing embryonic development have been increasingly linked to cancer. Here we will focus on the role of Notch signaling in lung cancer. Notch receptors’ activity can be blocked following different strategies, thus representing a promising alternative/complement to the arsenal of therapeutic strategies currently used to treat lung cancer.
PMCID: PMC3380361  PMID: 21504320
lung cancer; cancer progenitor cells; Notch signaling; hypoxia; cancer stem cells; Notch signaling inhibition

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