Immune system assassin's tricks visualised for the first time

Scientists from the UK and Australia have seen the human immune system's assassin - a protein called perforin - in action for the first time. The UK team, funded by the Biotechnology and Biological Sciences Research Council (BBSRC) and the Wellcome Trust, is based at Birkbeck College where they used powerful electron microscopes to study the mechanism that perforin uses to punch holes in rogue cells. The research is published today in Nature...

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