How flu viruses hijack human cells

Much is known about flu viruses, but little is understood about how they reproduce inside human host cells, spreading infection. Now, a research team headed by investigators from the Icahn School of Medicine at Mount Sinai is the first to identify a mechanism by which influenza A, a family of pathogens that includes the most deadly strains of flu worldwide, hijacks cellular machinery to replicate. The study findings, published online today in Cell, also identifies a link between congenital defects in that machinery — the RNA exosome — and the neurodegeneration that results in people who have that rare mutation.…
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