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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The partially reinstated US travel ban leaves space for uncertainty for researchers, Nature News says.

Researchers find a number of traits differ by sex and could affect mouse model studies, according to Reuters.

Tweaking the skin microbiome could help address some skin conditions, the New York Times reports.

In PNAS this week: DNA methylation profiles of tumor tissue, gene dynamics in prokaryotes, and more.