Partnering with researchers at McGill University, the Johns Hopkins team that developed the method has now demonstrated its power in a much larger group of patients.
In a study of nearly 45,000 people, researchers found that two variants in LPA each increase aortic stenosis risk by about a third, and about twofold in combination.
A study of gene expression data from 173 breast cancer patients identified subtype-specific associations between molecular processes in tumor and blood cells.
One speaker cited the success of screening Ashkenazi Jewish women for BRCA mutations, but another said extending testing to a wider population could be harder.
The Associated Press reports that an ethicist predicts that prenatal diagnosis and other advances will lead to more choices being available to prospective parents.
