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Review

Genetic Similarities Between Organogenesis and Tumorigenesis of the Lung

Scott Powers and David Mu

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In hematological malignancies, there are numerous examples of lymphocyte developmental genes playing a role in cancer formation. In this article, we discuss how processes of fetal organogenesis are also operant in lung tumorigenesis. We first review four pathways important in lung cancer (MYC, Hedgehog, Rb, and Wnt) and describe the experimental evidence linking them to lung development. Then, we review genome-wide analysis approaches of both RNA (gene expression profiling) and DNA (copy number alterations) and how they have uncovered links between lung cancer and fetal lung development. Finally, the recent discovery of three closely linked developmental transcription factors, which are co-amplified as cooperating lung oncogenes, is discussed. We suggest that inhibition of the fetal developmental pathways selectively reactivated in cancer cells is a research area of interest for novel anti-cancer therapies in light of the presumed low toxicity of such therapies to the nearby normal adult cells.

Authors

Scott Powers

Cold Spring Harbor Laboratory; Cold Spring Habor, NY

David Mu

Cold Spring Harbor Laboratory; Cold Spring Habor, NY

Purchase article for $19

Subscribe to this journal for $129/year