Science news: Dec 2012

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Common seasonal flu strain binds human host cells less strongly than a decade ago

A protein on the surface of the seasonal flu virus H3N2 has changed over the past decade, reducing its affinity for binding to human host cells.
26 December 2012

Enzymes implicated in unchecked cancer growth

The discovery that enzymes previously thought to sense nutrients in our bodies can also ‘turn off’ the usual cell growth regulation pathway that prevents tumours.
23 December 2012

Surprising link between stem cell and cancer genes

The discovery of a direct link between a gene that enables stem cells to keep renewing themselves and a previously unrelated gene involved in human cancers.
20 December 2012