This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
[{'content': 'C-C beta chemokine includes - \nSelect and explain. \nA. IL-8, B. Eotaxin, C. Lymphotactin, D. Fractalkine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: C-C chemokines have the first two conserved cysteine residues adjacent attracts all leukocytes except neutrophils C-C chemokines, which include MCP-1-monocyte chemoattractant protein eotaxin selectively recruits eosinophils RANTES (regulated and normal T-cell expressed and secreted) MIP-1a macrophage inflammatory protein-1a generally attract monocytes, eosinophils, basophils and lymphocytes The eotaxins are a CC chemokine subfamily of eosinophil chemotactic proteins. In humans, there are three family members: CCL11 (eotaxin-1) CCL24 (eotaxin-2) CCL26 (eotaxin-3) ref robbins 9th ed page 87', 'role': 'assistant'}]