This Week in PNAS

In the PNAS Early Edition this week, an international research team presents "an allele-specific copy number analysis of the in vivo breast cancer genome" and describe allele-specific copy number analysis of tumors — or ASCAT — a novel bioinformatics approach that allows users to "accurately dissect the allele-specific copy number of solid tumors, [while] simultaneously estimating and adjusting for both tumor ploidy and non-aberrant cell admixture." ASCAT profiles, the autho

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The apple has traveled westward and eastward along the Silk Road, according to a new genetic analysis.

In Nature this week: GWAS data used to reposition drugs for psychiatric use, and more.

Genetic disease risk information doesn't always spur people to make healthy lifestyle changes, according to the Associated Press.

A University of California, San Diego-led team has used liquid biopsies to uncover possible treatments for patients with cancers of unknown primary.