Abstract:
:Dysregulated expression of microRNAs (miRNAs) in various tissues has been associated with a variety of diseases, including cancers. Here we demonstrate that miRNAs are present in the serum and plasma of humans and other animals such as mice, rats, bovine fetuses, calves, and horses. The levels of miRNAs in serum are stable, reproducible, and consistent among individuals of the same species. Employing Solexa, we sequenced all serum miRNAs of healthy Chinese subjects and found over 100 and 91 serum miRNAs in male and female subjects, respectively. We also identified specific expression patterns of serum miRNAs for lung cancer, colorectal cancer, and diabetes, providing evidence that serum miRNAs contain fingerprints for various diseases. Two non-small cell lung cancer-specific serum miRNAs obtained by Solexa were further validated in an independent trial of 75 healthy donors and 152 cancer patients, using quantitative reverse transcription polymerase chain reaction assays. Through these analyses, we conclude that serum miRNAs can serve as potential biomarkers for the detection of various cancers and other diseases.
journal_name
Cell Resjournal_title
Cell researchauthors
Chen X,Ba Y,Ma L,Cai X,Yin Y,Wang K,Guo J,Zhang Y,Chen J,Guo X,Li Q,Li X,Wang W,Zhang Y,Wang J,Jiang X,Xiang Y,Xu C,Zheng P,Zhang J,Li R,Zhang H,Shang X,Gong T,Ning G,Wang J,Zen K,Zhang J,Zhang CYdoi
10.1038/cr.2008.282subject
Has Abstractpub_date
2008-10-01 00:00:00pages
997-1006issue
10eissn
1001-0602issn
1748-7838pii
cr2008282journal_volume
18pub_type
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