<prompt> Which of the following is not a pro-inflammatory cytokine?IL-1TNF alphaIL-4IL-8  <response>: Proinflammatory cytokines include interleukin-1 IL-1, tumour necrosis factor alpha TNFa, IL-6 and IL-8Counterinflammatory response regulated by IL-4, -5, -9 and-13 and transforming growth factor beta Ref: Bailey and love 27e pg: 3,4 