The Tissue of Origin Test, a microarray-based gene expression assay commercialized by the defunct firm Pathwork Diagnostics, may soon become available again.

Los Angeles-based Response Genetics announced this week that it has agreed to acquire all intellectual property, know-how, data, equipment, and materials formerly owned by Pathwork that relate to the TOO test.

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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.