Pathology General pathology a47a1554 All are chemokines except- A IL-8 B Il-1 C Histamine D Eotaxin High-Yield Explanation histamine is a vasoactive amine, stored in the granules of mast cells, basophils and platelets. chemokines - ILs , TNF, INF gamma, MCP1, Eotaxin and PF4. .ref Robbins 9/e p 48