Apthera

RXi also broke out its financial results for 2010 in the filing, reporting a drop in its net loss amid lower research and development spending. The company said, however, that it anticipates its expenses to increase going forward on NeuVax-related expenses.

RXi bought the firm for around $7.2 million in order to accelerate its move from a research-based company to a clinical-stage one.

RXi's pending acquisition of Apthera will also enable the company to explore the combination of its RNAi technologies with Apthera's peptide know-how, RXi's CEO said.

The deal gives RXi a late-stage peptide immunotherapy for breast cancer and marks a shift in strategy that nudges the company from its previous focus as a pure-play RNAi shop.

US Attorney General Jeff Sessions is considering using DNA tests to determine relatedness between adult and child migrants, the Daily Caller reports.

Bloomberg reports that Brainstorm Cell Therapeutics plans to offer a treatment it is developing under the "right to try" law for hundreds of thousands of dollars.

In Nature this week: expansion of disease-resistance genes among long-lived oak trees, and more.

In a proof-of-concept study, researchers report being able to determine age from dried bloodstains, Discover's D-brief blog reports.