<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>Any therapeutic or preventive precedure that involves inhibition of the production or activity of a cytokine, and results in the inhibition of the mature function of immune cells. Cytokine suppression is intended to favorably modulate functions of the immune system.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>