MicroRNA dynamics in the stages of tumorigenesis correlate with hallmark capabilities of cancer. Export

@article{citeulike:5838905, abstract = {While altered expression of microRNAs (miRs) in tumors has been well documented, it remains unclear how the miR transcriptome intersects neoplastic progression. By profiling the miR transcriptome we identified miR expression signatures associated with steps in tumorigenesis and the acquisition of hallmark capabilities in a prototypical mouse model of cancer. Metastases and a rare subset of primary tumors shared a distinct miR signature, implicating a discrete lineage for metastatic tumors. The miR-200 family is strongly down-regulated in metastases and met-like primary tumors, thereby relieving repression of the mesenchymal transcription factor Zeb1, which in turn suppresses E-cadherin. Treatment with a clinically approved angiogenesis inhibitor normalized angiogenic signature miRs in primary tumors, while altering expression of metastatic signature miRs similarly to liver metastases, suggesting their involvement in adaptive resistance to anti-angiogenic therapy via enhanced metastasis. Many of the miR changes associated with specific stages and hallmark capabilities in the mouse model are similarly altered in human tumors, including cognate pancreatic neuroendocrine tumors, implying a generality.}, author = {Olson, Peter and Lu, Jun and Zhang, Hao and Shai, Anny and Chun, Matthew G. and Wang, Yucheng and Libutti, Steven K. and Nakakura, Eric K. and Golub, Todd R. and Hanahan, Douglas}, citeulike-article-id = {5838905}, citeulike-linkout-0 = {http://dx.doi.org/10.1101/gad.1820109}, citeulike-linkout-1 = {http://genesdev.cshlp.org/content/23/18/2152.abstract}, citeulike-linkout-2 = {http://genesdev.cshlp.org/content/23/18/2152.full.pdf}, citeulike-linkout-3 = {http://view.ncbi.nlm.nih.gov/pubmed/19759263}, citeulike-linkout-4 = {http://www.hubmed.org/display.cgi?uids=19759263}, day = {15}, doi = {10.1101/gad.1820109}, issn = {1549-5477}, journal = {Genes \& development}, keywords = {cancer, microrna, mirna, reference-mir-transcriptome}, month = {September}, number = {18}, pages = {2152--2165}, posted-at = {2009-10-15 09:06:36}, priority = {2}, title = {MicroRNA dynamics in the stages of tumorigenesis correlate with hallmark capabilities of cancer.}, url = {http://dx.doi.org/10.1101/gad.1820109}, volume = {23}, year = {2009} }

TY - JOUR ID - citeulike:5838905 L3 - citeulike-article-id:5838905 N2 - While altered expression of microRNAs (miRs) in tumors has been well documented, it remains unclear how the miR transcriptome intersects neoplastic progression. By profiling the miR transcriptome we identified miR expression signatures associated with steps in tumorigenesis and the acquisition of hallmark capabilities in a prototypical mouse model of cancer. Metastases and a rare subset of primary tumors shared a distinct miR signature, implicating a discrete lineage for metastatic tumors. The miR-200 family is strongly down-regulated in metastases and met-like primary tumors, thereby relieving repression of the mesenchymal transcription factor Zeb1, which in turn suppresses E-cadherin. Treatment with a clinically approved angiogenesis inhibitor normalized angiogenic signature miRs in primary tumors, while altering expression of metastatic signature miRs similarly to liver metastases, suggesting their involvement in adaptive resistance to anti-angiogenic therapy via enhanced metastasis. Many of the miR changes associated with specific stages and hallmark capabilities in the mouse model are similarly altered in human tumors, including cognate pancreatic neuroendocrine tumors, implying a generality. IS - 18 JF - Genes & development SN - 1549-5477 EP - 2165 TI - MicroRNA dynamics in the stages of tumorigenesis correlate with hallmark capabilities of cancer. VL - 23 SP - 2152 KW - cancer KW - microrna KW - mirna KW - reference-mir-transcriptome AU - Olson, Peter AU - Lu, Jun AU - Zhang, Hao AU - Shai, Anny AU - Chun, Matthew AU - Wang, Yucheng AU - Libutti, Steven AU - Nakakura, Eric AU - Golub, Todd AU - Hanahan, Douglas PY - 2009/09/15/ UR - http://dx.doi.org/10.1101/gad.1820109 ER -