This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
[{'content': 'All are chemokines except - \nSelect and explain. \nA. IL-8, B. IL-1, C. Histamine, D. Eotaxin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Histamines are most impoant vasoactive amines , formed by decarboxylation of histidine found in granules of mast cells, basophils & in platelets. Reff: Ananthanarayan & Panikers textbook of microbiology 9th edition pg: 164', 'role': 'assistant'}]