Exagen Diagnostics files IPO plans; Genetic tests identifying cancer risks outpace understanding of results;

> Exagen Diagnostics has filed plans to raise up to $69 million in an initial public offering. Story

> Genetic tests that identify mutations that may point to cancer risk are outpacing the understanding of what they mean. Story (sub. req.)

> The Washington state life sciences industry has surpassed $1 billion in transactions, including going public, acquisitions and licensing deals. Story

> Researchers have developed a biosensor made from graphene that can identify biomarkers pointing to an increased risk of developing cancer. Item

> The FDA has formally announced an emergency-use authorization for an in vitro diagnostic device to detect the Ebola virus. Notice