Researchers at the Whitehead Institute of MIT and Harvard have developed an in vitro assay for assessing a compound’s toxicity that may prove to be much cheaper than the erythroid in vivo micronucleus assay and the Ames test.
 
The assay, which the researchers believe may eventually be transitioned to human use, could enable researchers to determine toxicity much sooner in the drug-discovery process, which could make the process much more efficient.  
 

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The US Food and Drug Administration has new guidelines that enable some gene and cell therapies to undergo expedited review, according to the New York Times.

Using gene drives to control invasive species might be too risky, an initial advocate of the approach says.

Researchers have grown tumors in 3D cell cultures to better understand cancer, the Economist reports.

In Science this week: intellectual property experts argue patent battles such as the one over CRISPR are wasteful, and more.