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Circulating microRNAs as stable blood-based markers for cancer detection.

Mitchell, Patrick S and Parkin, Rachael K and Kroh, Evan M and Fritz, Brian R and Wyman, Stacia K and Pogosova-Agadjanyan, Era L and Peterson, Amelia and Noteboom, Jennifer and O'Briant, Kathy C and Allen, April and Lin, Daniel W and Urban, Nicole and Drescher, Charles W and Knudsen, Beatrice S and Stirewalt, Derek L and Gentleman, Robert and Vessella, Robert L and Nelson, Peter S and Martin, Daniel B and Tewari, Muneesh (2008) Circulating microRNAs as stable blood-based markers for cancer detection. Proceedings of the National Academy of Sciences of the United States of America, 105 (30). pp. 10513-10518. ISSN 1091-6490

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Article URL: http://www.pnas.org/content/105/30/10513

Abstract

Improved approaches for the detection of common epithelial malignancies are urgently needed to reduce the worldwide morbidity and mortality caused by cancer. MicroRNAs (miRNAs) are small ( approximately 22 nt) regulatory RNAs that are frequently dysregulated in cancer and have shown promise as tissue-based markers for cancer classification and prognostication. We show here that miRNAs are present in human plasma in a remarkably stable form that is protected from endogenous RNase activity. miRNAs originating from human prostate cancer xenografts enter the circulation, are readily measured in plasma, and can robustly distinguish xenografted mice from controls. This concept extends to cancer in humans, where serum levels of miR-141 (a miRNA expressed in prostate cancer) can distinguish patients with prostate cancer from healthy controls. Our results establish the measurement of tumor-derived miRNAs in serum or plasma as an important approach for the blood-based detection of human cancer.

Item Type: Article
Additional Information: Available in PMC: 1/29/09.
DOI: 10.1073/pnas.0804549105
PubMed ID: 18663219
PMCID: PMC2492472
Keywords or MeSH Headings: Animals; Cloning, Molecular; Gene Expression Profiling; Gene Expression Regulation, Neoplastic; Humans; Male; Mice; MicroRNAs/blood/genetics; Neoplasm Transplantation; Neoplasms/metabolism; Prostatic Neoplasms/blood/genetics; RNA, Neoplasm/blood/metabolism; Ribonucleases/metabolism; Sensitivity and Specificity; Tumor Markers, Biological/genetics;
Depositing User: Library Staff
Date Deposited: 29 Jan 2009 20:29
Last Modified: 24 May 2010 18:50
URI: http://authors.fhcrc.org/id/eprint/243

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