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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A research duo estimates in PLOS One the number of papers that have used misidentified cell lines.

UK's National Institute for Health and Care Excellence approves GlaxoSmithKline's SCID gene therapy despite cost.

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