Scientists have seen the human immune system’s assassin — a protein called perforin — in action for the first time. The researchers used powerful electron microscopes to study the mechanism that perforin uses to punch holes in rogue cells.
Scientists have seen the human immune system’s assassin — a protein called perforin — in action for the first time. The researchers used powerful electron microscopes to study the mechanism that perforin uses to punch holes in rogue cells.