Shares in Sequenom gained more than 16 percent for the 5-day trading period ended Tuesday. The firm’s shares rose after news on Monday that it had signed a pact with Qiagen under which the firms will collaborate on developing prenatal diagnostics (see related article).
Cepheid led decliners for the week with a 7.65 percent drop, despite no new news regarding the company.

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Microsoft co-founder Paul Allen also contributed to brain research, NPR reports.

The New York Times reports on the shifting interpretations of what some genetic variants mean over time.

MIT's Technology Review reports on Genentech's pursuit of personalized cancer vaccines.

In Cell this week: investigation of metastatic tumor evolution, more than 16,000 genetic variants introduced into the budding yeast model organism, and more.