By Adam Bonislawski

Uppsala University scientists have developed an expanded proximity ligation assay that employs up to five antibodies to confirm the simultaneous presence of multiple proteins on a given target.

The researchers used the technique to isolate prostasomes — microvesicles secreted by prostate acinar cells that could be useful as prostate cancer biomarkers — but it could have wider applicability as a tool for top-down proteomics investigations into protein complexes and isoforms.

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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.