Scientists have found a new protein that protects against viral infections, including influenza. They have been investigating the “defensive devices” contained within the T-cells that are located on exposed body surfaces such as skin and mucosal surfaces to ward off infection.
T-cells detect cells infected with viruses and kill them before the virus can reproduce within the infected cell and spread to other cells.
As reported in Nature Immunology, the researchers found these cells contain the protein IFITM3 and this makes them more resistant to viral infections such as influenza.
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