Flipping A Genetic Switch on Cells Lets Researchers Boost or Suppress Immune Responses

Cancer and autoimmune diseases, such as rheumatoid arthritis and multiple sclerosis, might not seem to have much in common, but some researchers now are pinning hopes on the same immune system cell – called the regulatory T cell, or Treg – to better fight both, through immunotherapies that manipulate these cells in opposing ways to fight the two disease types.

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