CCR-5 tropism testing

Siemens Inks New Companion Dx Collaborations with ViiV Healthcare, Tocagen

Although the collaboration is aimed at increasing physician knowledge of genomic testing associated with all HIV drugs, it appears to have stemmed from lower-than-expected sales of Pfizer's CCR5-antagonist Selzentry.

Researchers suggest that genetic variations could influence the side effects people experience when using synthetic cannabinoids, the International Business Times reports.

An analysis has examined the makeup of researchers on Twitter and what they share, Nature News reports.

At Stat News, Jim Kozubek argues that the Broad Institute is pushing the boundary of what a nonprofit is.

In PNAS this week: gut microbes may affect honeybee weight, phenotype and gene expression changes in DiGeorge syndrome, and more.