Leaky membranes: Another sign of old age

As parts of us age, even the membrane bound nuclei, which house the genetic instructions for life that are 'written' in our DNA, begin to show considerable wear and tear, suggests a new report in the 23rd January issue of the journal Cell, a Cell Press publication. The nuclear pore complexes that normally act as gatekeepers - selectively importing and exporting the molecular ingredients for life to and from the nucleus - begin to break down and spring leaks...

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