Tumors use enzyme to recruit regulatory T-cells and suppress immune response

One way tumors fly under the radar of the immune system is by using IDO, an enzyme used by fetuses to help avoid rejection, to recruit powerful regulatory T cells that turn down the immune response, researchers say.

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<p><a href="http://www.physorg.com/news106505111.html">Tumors use enzyme to recruit regulatory T-cells and suppress immune response</a></p> <p>One way tumors fly under the radar of the immune system is by using IDO, an enzyme used by fetuses to help avoid rejection, to recruit powerful regulatory T cells that turn down the immune response, researchers say.</p>