Custom-built antibodies don't always work the way they are supposed to and this can affect the results that researchers get in their experiments, NPR reports.

For instance, it notes that a multi-million dollar endeavor to develop a treatment for melanoma was disrupted after a researcher discovered that the antibodies being used were not dependable.

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Thermo Fisher Scientific says it will no longer sell machines in China's Xinjiang region, according to the Wall Street Journal.

New Scientist reports that 20 percent of human and yeast proteins are uncharacterized.

The University of Zurich's Ruedi Aebersold and his colleagues analyzed a dozen HeLa cell lines to find differences in gene expression, protein levels, and more.

In Nature this week: protein-coding variants associated with body-fat distribution, and more.