This story originally ran on April 8.

By Tony Fong

Since its development about eight years ago, stable isotope labeling by amino acids, or SILAC, has become a standard method for quantitative proteomics.

But the technique developed in Matthias Mann's laboratory has been largely limited by the fact that it can be used only in cell cultures — not tissue or body fluid samples.

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Genetics and Molecular Research retracts two gastric cancer papers for being "substantially equal" to other papers, according to Retraction Watch.

A new analysis indicates that the Ebola virus behind the current West African outbreak is mutating at about the same rate as other Ebola viruses.

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