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By comparing the salivary proteomes of younger and older women, John Yates and his colleagues find that protein expression is age-dependent. As they report in the Journal of Proteome Research, they fractionated parotid saliva from 14 women and then analyzed the samples using mass spec and MudPIT. They identified 532 proteins, but found that half were only expressed in a particular age group.

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The New York Times Magazine examines gender discrimination at the Salk Institute.

Science reports that MD Anderson Cancer Center has dismissed three researchers over foreign tie concerns.

A second death in gene therapy trial for type 1 spinal muscular atrophy is under investigation, according to Reuters.

In PLOS this week: antibiotic resistance patterns in Escherichia coli, a dozen genetic loci tied to varicose vein risk, and more.