Researchers at Nanjing University have found miRNA signatures in blood serum, says an article in Tech Review. In work published in Cell Research, they sequenced miRNA in the blood of people with lung cancer, colorectal cancer, and diabetes and found specific expression patterns. "Whatever the reason, microRNAs are stable in the serum and are resistant to ribonuclease digestion," says lead author Chen-Yu Zhang.

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Researchers are refining a tool to predict a woman's risk of developing breast cancer, according to the Guardian.

According to Stat News, the partial government shutdown in the US could soon affect the ability of the Food and Drug Administration to review new drugs.

CNN reports that people's genes tend to have a greater influence on their risk of developing disease than their environment, but it varies by phenotype.

In PNAS this week: gypsy moth genome sequenced, phylogenomic analysis of Polyneopterans, and more.