Abstract
MicroRNAs are increasingly being recognized as oncogenes and tumor suppressors in cancer. MicroRNA-155 (miR-155) is an established oncomiR in breast cancer and regulates several pro-oncogenic pathways. In light of this, Chiang’s group has discovered a novel pathway regulated by miR-155. MiR-155 directly targets the VHL tumor suppressor and, by doing so, promotes the activity of HIF transcription factors and angiogenesis. This pathway appears to be particularly relevant in triple-negative breast cancer.
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Acknowledgements
MC-K is supported by NCI CA122346 and BLR&D VA Merit Award; XZ is supported by DoD: W81XWH-11-1-0118, Komen: KG110028 and ACS: RSG-12-268-01-CCG. We thank G Doerman for preparing the figures, and Dr M Daston for editorial assistance.
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Czyzyk-Krzeska, M., Zhang, X. MiR-155 at the heart of oncogenic pathways. Oncogene 33, 677–678 (2014). https://doi.org/10.1038/onc.2013.26
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DOI: https://doi.org/10.1038/onc.2013.26
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