Multiple strategies of oxygen supply in Drosophila malignancies identify tracheogenesis as a novel cancer hallmark
Web of Science
AuthorGrifoni, D; Sollazzo, M; Fontana, E; Froldi, F; Pession, A
Source TitleScientific Reports
PublisherNATURE PUBLISHING GROUP
University of Melbourne Author/sFroldi, Francesca
AffiliationSir Peter MacCallum Department of Oncology
Document TypeJournal Article
CitationsGrifoni, D., Sollazzo, M., Fontana, E., Froldi, F. & Pession, A. (2015). Multiple strategies of oxygen supply in Drosophila malignancies identify tracheogenesis as a novel cancer hallmark. SCIENTIFIC REPORTS, 5 (1), https://doi.org/10.1038/srep09061.
Access StatusOpen Access
Angiogenesis is the term used to describe all the alterations in blood vessel growth induced by a tumour mass following hypoxic stress. The occurrence of multiple strategies of vessel recruitment favours drug resistance, greatly complicating the treatment of certain tumours. In Drosophila, oxygen is conveyed to the internal organs by the tracheal system, a closed tubular network whose role in cancer growth is so far unexplored. We found that, as observed in human cancers, Drosophila malignant cells suffer from oxygen shortage, release pro-tracheogenic factors, co-opt nearby vessels and get incorporated into the tracheal walls. We also found that the parallelisms observed in cellular behaviours are supported by genetic and molecular conservation. Finally, we identified a molecular circuitry associated with the differentiation of cancer cells into tracheal cells. In summary, our findings identify tracheogenesis as a novel cancer hallmark in Drosophila, further expanding the power of the fly model in cancer research.
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