This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'Which of the following are chemokines? \nSelect and explain. \nA. IL-8, B. Leukotriene A4, C. C5, D. C3', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Their name is derived from their ability to induce directed chemotaxis in nearby responsive cells; they are\xa0chemotactic cytokines\n\nC-X-C OR ALPHA CHEMOKINE\n\na. CXC chemokines specifically induce the migration of neutrophils\nb. Secreted by activated macrophage t endothelial cell and other cell\nc. Includes IL-8\n\nC-C OR BETA CHEMOKINE:\n\na. induce chemotaxis of monocytes, eosinophils, lymphocytes but not neutrophils\nb. Includes\nI. Monocyte chemoattractant protein ( MCP-1)\nII. Eotaxin\nIII. Macrophage inflammatory protein ( MIP)\nIV. RANTES\n\nC-CHEMOKINE OR GAMMA CHEMOKINES\n\na. Relatively specific for lymphocyte\nb. Include lymphotactin\n\nCXC CHEMOKINE\n\na. Two forms\nI. Cell surface-bound\nII. Soluble\nb. Include fractalkine', 'role': 'assistant'}]