Submitted by György Chityil ... on Fri, 01/19/2018 - 20:16 Hierarchy: NounDescription: {{context|protein|immunology}} Any of various small regulatory proteins that regulate the cells of the immune system.Ngram: cytokineNgram Text: cytokineSource: WiktionaryIssue: 0Wiktionary tag: proteinimmunologyNgram Count: 1