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© Oxford University Press 2006.
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No miR Hype: MicroRNA's Cancer Role Expands
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Long considered a mere slave to DNA, carrying the genetic message from chromosomes to the protein-making machinery of the cell, RNA has come into its own.
RNA interference, discovered in 1998, is now a standard laboratory tool for knocking down gene expression. Drug therapies using small interfering RNA are now in clinical testing for treating a respiratory virus and age-related macular degeneration. And a rush of discoveries in the last 4 years have linked another class of small RNAs, known as microRNAs, to cancer. Our current knowledge of microRNAs "might be the tip of the iceberg," said Nobel Prize winner Phillip Sharp, Ph.D., of the Massachusetts Institute of Technology in Cambridge, at this year's meeting of the American Association of Cancer Research.
Research into microRNAs in cancer is exploding. MicroRNAsmiRs for shortare noncoding RNAs, about 22 nucleotides long, that bind to specific messenger RNA (mRNA) targets and either block their
Emerging From Obscurity
New Class of Oncogenes
Arrested Development
MicroRNAs currently implicated in cancer
Detection and Treatment
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M. Doleshal, A. A. Magotra, B. Choudhury, B. D. Cannon, E. Labourier, and A. E. Szafranska Evaluation and Validation of Total RNA Extraction Methods for MicroRNA Expression Analyses in Formalin-Fixed, Paraffin-Embedded Tissues J. Mol. Diagn., May 1, 2008; 10(3): 203 - 211. [Abstract] [Full Text] [PDF] |
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