from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To artificially express a gene in increased quantity


Sorry, no etymologies found.


  • And when you start to get more and more negative ideas about what might happen, overexpress the positive attitude to yourself.

    Srinivasan Pillay: The Irony of Being Human: Why We Often Get What We Fear Most And What to Do About This

  • Subsequent development has made it possible to introduce and overexpress a large number of transgenes in mice and also other mammals [27].

    The 2007 Nobel Prize in Physiology or Medicine - Advanced Information

  • Nobody knows why the HER-2 gene begins to replicate or "" overexpress '' itself in some women.

    Targeting A Killer Gene

  • Finally, almost all epithelial cell cancer patients overexpress the EGF-R.

    Milk. It does a body good. Or Not. | The Blog of Michael R. Eades, M.D.

  • Illustrating his points by scribbling a graph or sketching a diagram, Schwan said another blockbuster candidate is MetMAb, a lung cancer drug targeting about 50 percent of patients who overexpress a receptor on the cancer cell: Imagine we move the standard of care for 50 percent of lung cancer patients.

    Reuters: Press Release

  • Cancerous cells often overexpress EGFR or have mutations within EGFR, leading to uncontrolled growth or spread of the cancer cells.


  • Partly this is due to practical necessity, since I maladaptively overexpress the hoarding gene and tend to be surrounded by junk I can't manage to throw away.

    MAKE Magazine

  • Mice which overexpress an AP-1 transcription factor, Fra1, have reduced expression of THBS1 and THBS2.

    PLoS ONE Alerts: New Articles

  • Luminal tumors develop more frequently than the other subtypes and share many features with luminal epithelial cells lining the mammary ducts, but tumors in the luminal B subgroup also aberrantly overexpress the HER2 receptor or proliferation marker genes that distinguish them from the HER2-negative luminal A tumors.

    PLoS Medicine: New Articles

  • One clone depended on the gene's natural promoter -- the binding site for the polymerase enzyme that transcribes DNA into mRNA -- whereas the other was fused to a viral promoter known to overexpress genes by producing an abundance of mRNA.

    Scientific American


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