A study published in PNAS yesterday details a "unique" method for mapping DNA methylation changes across different cancer types. Researchers at the Ludwig Institute for Cancer Research measured quantitative methylation patterns in a set of about 400 candidate genes across 59 cancer cell lines and found that 78 of them are epigenetically changed, 35 are changed in only one tumor type, and seven are changed in more than one type of cancer.

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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.