Originally developed in the lab of Phillip Sharp at the Massachusetts Institute of Technology, miRNA sponges are transcripts expressed from strong promoters that contain multiple tandem binding sites to an miRNA of interest.
In Science this week: deletion of one microRNA allows pluripotent stem cells to form embryonic and non-embryonic lineages, and more.
Arizona is planning to sue Theranos for "deceptive acts" and misrepresentations of its "capabilities and operation."
If confirmed as Department of Health and Human Services Secretary, Tom Price says he will divest himself of certain holdings, according to Stat News.
Oliver Smithies, who won the Nobel Prize in 2007, has died, the New York Times reports.